Remove doc/ from version control

doc/(IMPROVEMENTS.md, NH_INTEGRATION.md)는 로컬 전용 메모라 원격 저장소에는 올리지 않기로 함. git 추적에서 제외하고 .gitignore에 추가(로컬 파일은 유지). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01225Lu4Fc2UpMz6QixEcNT8
Merge branch 'feature/nh-broker-integration' into main
2026-08-31 14:41:56 +09:00 · 2026-08-31 14:36:14 +09:00 · 2026-08-31 14:35:30 +09:00
27 changed files with 1823 additions and 7 deletions
@@ -0,0 +1,23 @@
+# finestock 예제 스크립트(example.py, example_async.py 등)에서 사용하는 환경변수 템플릿.
+# 이 파일을 복사해 .env 로 저장한 뒤 실제 값을 채워 넣으세요. .env는 .gitignore에 의해
+# 커밋되지 않습니다. 절대 실제 키/시크릿/토큰 값을 이 파일(.env.example)에 직접 채워
+# 커밋하지 마세요 — 이 파일은 어떤 값이 필요한지 보여주는 템플릿일 뿐입니다.
+#
+# 사용 예 (PowerShell):
+#   $env:APP_KEY = "..."
+#   $env:APP_SECRET = "..."
+#
+# 사용 예 (python-dotenv 등으로 .env 파일을 직접 로드하는 경우):
+#   from dotenv import load_dotenv; load_dotenv()
+
+# 브로커 앱 키 / 시크릿 (LS/EBest/KIS/Kiwoom/NH 공통 — 사용하는 브로커의 개발자 콘솔에서 발급)
+APP_KEY=YOUR_APP_KEY
+APP_SECRET=YOUR_APP_SECRET
+
+# 계좌번호 (앞자리/뒤 2자리 구분이 필요한 브로커의 경우)
+ACCOUNT_NUM=YOUR_ACCOUNT_NUM
+ACCOUNT_NUM_SUB=01
+
+# 이미 발급받은 access_token을 재사용하고 싶을 때만 채운다(선택 사항).
+# 보통은 비워두고 코드에서 api.oauth()를 호출해 새로 발급받는 편을 권장.
+ACCESS_TOKEN=
@@ -0,0 +1,102 @@
+# --- finestock 프로젝트 전용 ---
+
+# Python 빌드/캐시 산출물
+__pycache__/
+*.py[cod]
+*.egg-info/
+build/
+dist/
+
+# 가상환경
+venv/
+.venv/
+
+# 로그 (자격증명이 로깅될 수 있으므로 반드시 제외)
+*.log
+
+# 로컬 환경변수/시크릿 (예: app_key, app_secret, access_token)
+.env
+.env.*
+!.env.example
+
+# 로컬 전용 문서 (원격 저장소에는 올리지 않음)
+doc/
+
+# --- JetBrains 공식 .gitignore 파일 명세 ---
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.11" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_22" project-jdk-name="Python 3.12" project-jdk-type="Python SDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="PyPackaging">
+    <option name="earlyReleasesAsUpgrades" value="true" />
+  </component>
+</project>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/finestock.iml" filepath="$PROJECT_DIR$/.idea/finestock.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
@@ -0,0 +1,63 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project overview
+
+`finestock` is a Python package unifying Korean stock brokerage OpenAPIs (EBest, LS, KIS, Kiwoom, NH — live and mock/simulated variants) behind one facade object. It wraps each broker's REST/WebSocket API and normalizes results into shared dataclasses (`Price`, `OrderBook`, `Account`, `Order`, `Trade`, ...).
+
+## Commands
+
+```bash
+pip install -e .              # install package in editable mode (requirements: websockets, requests, loguru)
+python -m unittest discover tests   # run tests (unittest, not pytest — no pytest config in repo)
+python -m unittest tests.test_model -v   # run a single test module
+```
+
+There is no lint/format tooling configured in the repo.
+
+## Architecture
+
+### Facade + Factory + ISP
+
+`finestock.create_api(APIProvider.X)` (thin wrapper around `APIFactory.create_api`, in `finestock/api_factory.py`) lazy-imports and instantiates one broker class. Every broker class multiply-inherits `BaseProvider` (`finestock/comm/api_interface.py`), a union of segregated `ABC` interfaces:
+
+- `AuthenticationProvider` — oauth/token handling
+- `MarketDataProvider` — price/OHLCV/index/orderbook queries
+- `TradingProvider` — order placement/cancellation
+- `RealtimeProvider` — WebSocket subscribe/unsubscribe (`recv_price`, `recv_orderbook`, etc.)
+- `AccountProvider` — balance/holdings
+- `InfoProvider` — stock/index master lists
+
+Callers narrow the fat facade object to one interface via type hints (`market_api: MarketDataProvider = full_api`) purely for IDE autocomplete — there is no runtime restriction. When adding a method, add it to the relevant interface in `api_interface.py` first, then implement it in each concrete broker.
+
+### Class hierarchy per broker
+
+Each broker directory (`finestock/{ebest,ls,kis,kiwoom,nh}/`) has a real/live class and, in most cases, a mock-trading (`*V`) subclass that only overrides `DOMAIN`/`DOMAIN_WS` (via `finestock/path.py`) or a handful of TR IDs:
+
+- `finestock.comm.api.API` — shared base (`finestock/comm/api.py`): holds `app_key`/`app_secret`/`access_token`, generic `headers` dict, generic `oauth()` (client_credentials POST), and `set_data_queue`/`add_data` for realtime fan-out.
+- `LS(API)` — the fullest, canonical implementation (`finestock/ls/ls.py`, ~860 lines): TR-code-based REST calls (`t8410`, `t8407`, `t8452`, ...) plus a WebSocket `connect`/`run`/`recv_*` loop keyed by `tr_cd`.
+  - `EBest(LS)` — EBest's API is wire-compatible with LS, so it inherits everything and only swaps `DOMAIN`/`DOMAIN_WS` via `path.py`.
+  - `LSV(LS)` — LS mock trading; same overrides pattern.
+- `Kis(API)` (`finestock/kis/kis.py`) — KIS uses `tr_id` header-based REST TRs.
+  - `KisV(Kis)` — mock trading; overrides `get_balance`/`do_order` with VTS-prefixed `tr_id`s (`VTTC...` vs `TTTC...`).
+- `Kiwoom(API)` (`finestock/kiwoom/kiwoom.py`, ~850 lines) — Kiwoom's REST+WS shape differs most from the others (`api-id` header instead of `tr_cd`/`tr_id`, `trnm`/`REG` WS subscription protocol).
+  - `KiwoomV(Kiwoom)` — mock trading, `DOMAIN`/`DOMAIN_WS` swapped to `mockapi.kiwoom.com`.
+- `Nh(API)` (`finestock/nh/nh.py`) — NH투자증권(나무/Namuh) uses a uniform `POST {"Input_0": {...}}` → `{rsp_cd, Output_0[, Output_1, Output_2], message}` envelope for every REST TR, auth via `Authorization`/`x-client-id`/`x-client-secret` headers (`set_oauth_info` overridden to set the latter two). No dedicated 호가/지수 TRs — `get_orderbook` reuses the `currentPrice` TR's `askp1..10`/`bidp1..10` fields, and `get_index`/`get_index_list`/`get_stock_list` are unimplemented stubs (지수 TR 없음; 종목은 REST가 아니라 `.mst` 마스터 파일로만 제공). `oauth()` always targets the fixed live domain (`OAUTH_DOMAIN` in `path.py`) even for `NhV`, since 접근토큰발급 is live-only regardless of which domain trades run against.
+  - `NhV(Nh)` — mock trading (`moapi.nhplug.com`); no method overrides needed, only `DOMAIN`/`DOMAIN_WS` swapped via `path.py`.
+
+`finestock/path.py` centralizes all per-broker base URLs and endpoint path fragments in dict constants (`_LS_`, `_KIS_`, `_KIWOOM_`, ...) merged into `_API_PATH_`, keyed by class name; `API._init_path()` reads `_API_PATH_[self.api_type]` and sets each entry as an instance attribute (so `self.DOMAIN`, `self.CHART`, `self.ORDER`, etc. exist post-`__init__`). When adding a broker or endpoint, edit `path.py`, not the broker class, unless the URL needs runtime logic.
+
+### Data models (`finestock/model/`)
+
+All public dataclasses are frozen (`@dataclass(frozen=True)`) and re-exported through `finestock/model/__init__.py` and top-level `finestock/__init__.py`. Broker methods parse raw JSON/TR responses and construct these dataclasses directly (e.g. `finestock.Price(...)`, `finestock.Order(...)`) rather than returning raw dicts — new broker code should follow the same convention. `Price.from_values` / `Price.from_series` are the two supported construction paths for `Price` beyond the raw constructor.
+
+### Realtime data flow
+
+Realtime WebSocket data does not use callbacks; a caller injects a `queue.Queue`-like object via `set_data_queue()` (in `comm/api.py`), and broker WS loops (`LS.run`, `Kiwoom.run`) push parsed messages onto it via `add_data`/`add_price`/`add_trade`/`add_orderbook`. Broker-specific TR/type codes in the incoming WS frame determine how a message is parsed and dispatched.
+
+## Conventions worth knowing
+
+- Continuation/pagination in REST calls follows a broker-specific `cts_date`/`cts_time`/`tr_cont_key` (LS, Kiwoom) or `CTX_AREA_FK100`/`NK100` (KIS) pattern — recursive calls with `time.sleep()` between pages are the existing pattern for LS's `get_ohlcv`.
+- Method names are standardized across brokers per `CHANGELOG.md` (PEP 8, single-underscore private prefix, `do_order_cancel` not `do_order_cancle`) — but `KisV.do_order_cancle` (kis_v.py) still uses the old misspelled name and is a stub (`pass`); don't assume it matches the interface's `do_order_cancel` without checking.
+- `debug.log` at the repo root is loguru output, not source.
@@ -6,10 +6,11 @@ Created by alshin

 ## Table of Contents
 1. [설치](#설치)
-2. [아키텍처](#아키텍처)
-3. [사용법](#사용법)
-4. [Release Notes](#release-notes)
-5. [License](#license)
+2. [환경변수 설정 (.env)](#환경변수-설정-env)
+3. [아키텍처](#아키텍처)
+4. [사용법](#사용법)
+5. [Release Notes](#release-notes)
+6. [License](#license)

 ---

@@ -21,6 +22,65 @@ pip install finestock

 ---

+## 환경변수 설정 (.env)
+
+브로커 앱키/시크릿/계좌번호/액세스 토큰은 코드에 직접 하드코딩하지 말고 환경변수로 주입한다. 저장소 루트의 `.env.example`을 복사해 `.env`로 만들고 실제 값을 채워 넣는다.
+
+```bash
+cp .env.example .env
+```
+
+`.env` 파일 내용:
+
+```
+APP_KEY=YOUR_APP_KEY
+APP_SECRET=YOUR_APP_SECRET
+ACCOUNT_NUM=YOUR_ACCOUNT_NUM
+ACCOUNT_NUM_SUB=01
+ACCESS_TOKEN=
+```
+
+`.env`는 `.gitignore`에 의해 커밋되지 않는다(`.env.example`만 커밋 대상).
+
+### 값 로드 방법
+
+`example.py`, `example_async.py`는 모두 `os.environ.get("APP_KEY", ...)` 형태로 값을 읽는다. `.env` 파일 자체는 셸이나 파이썬이 자동으로 읽어주지 않으므로 아래 두 방법 중 하나가 필요하다.
+
+**1) python-dotenv로 자동 로드 (권장)**
+
+```bash
+pip install python-dotenv
+```
+
+예제 스크립트는 `python-dotenv`가 설치되어 있으면 시작 시 자동으로 `.env`를 읽어 `os.environ`에 채워 넣는다(설치돼 있지 않으면 조용히 건너뛴다). 직접 스크립트를 작성할 때도 아래처럼 최상단에서 호출하면 된다.
+
+```python
+from dotenv import load_dotenv
+load_dotenv()
+
+import os
+app_key = os.environ.get("APP_KEY")
+app_secret = os.environ.get("APP_SECRET")
+```
+
+**2) 셸에서 직접 환경변수 설정**
+
+```powershell
+# PowerShell
+$env:APP_KEY = "YOUR_APP_KEY"
+$env:APP_SECRET = "YOUR_APP_SECRET"
+python example.py
+```
+
+```bash
+# bash
+export APP_KEY="YOUR_APP_KEY"
+export APP_SECRET="YOUR_APP_SECRET"
+python example.py
+```
+
+---
+
 ## 아키텍처

 `finestock`은 **파사드 패턴(Facade Pattern)**과 **인터페이스 분리 원칙(ISP)**을 결합하여 설계되었습니다.
@@ -77,6 +137,7 @@ if isinstance(api, RealtimeProvider):
    
    # 3. 데이터 수신 (비동기 루프 실행 필요)
    # ... (자세한 예제는 example_v1.py 참조)
+```

 ### 3. 타입 힌팅 활용 (Type Hinting)

@@ -94,5 +155,4 @@ market_api: MarketDataProvider = full_api
 # market_api. (여기서 get_ohlcv 등만 보임)
 df = market_api.get_ohlcv("005930")
 ```
-```

@@ -0,0 +1,157 @@
+import os
+import sys
+import finestock
+from finestock import APIProvider
+
+try:
+    # 선택 의존성: 설치돼 있으면 .env 파일을 자동으로 읽어 os.environ에 채워준다.
+    # pip install python-dotenv
+    from dotenv import load_dotenv
+    load_dotenv()
+except ImportError:
+    pass
+
+#from loguru import logger
+finestock.print_version_info()
+#logging.basicConfig(level=logging.DEBUG)
+#logger.add(sys.stdout, level="DEBUG")
+
+#print(logger._core.handlers)  # 내부 구조 접근이지만 확인용으로는 유용
+#exit()
+
+# 실키/토큰은 절대 코드에 하드코딩하지 말 것. 환경변수로 주입한다.
+# 예 (PowerShell): $env:APP_KEY="..."; $env:APP_SECRET="..."
+app_key = os.environ.get("APP_KEY", "YOUR_APP_KEY")
+app_secret = os.environ.get("APP_SECRET", "YOUR_APP_SECRET")
+account_num = os.environ.get("ACCOUNT_NUM", "YOUR_ACCOUNT_NUM")
+account_num_sub = os.environ.get("ACCOUNT_NUM_SUB", "01")
+access_token = os.environ.get("ACCESS_TOKEN", "")
+
+api_type = "KISV"
+api = finestock.APIFactory.create_api(APIProvider.LS)
+
+api.set_oauth_info(app_key, app_secret)
+
+login = False
+if login:
+    api.oauth()
+    print(api.access_token)
+else:
+    api.headers['authorization'] = f"Bearer {access_token}"
+
+#list = api.get_condition_list("shinalok")
+#print(list)
+#list = api.get_condition_price("shinalok0000")
+#print(list)
+# etf_list = ["069500", "229200", "292190", "156080"]
+# prices = api.get_multiple_ohlcv(etf_list)
+# print(prices)
+# exit()
+#api.set_account_info(account_num, account_num_sub)
+# ohlcvs = api.get_ohlcv("233740")
+# print(ohlcvs)
+# exit()
+#ohlcvs = api.get_index_min("405", "20250514")
+ohlcvs = api.get_ohlcv_min("005930", "20250515")
+print(ohlcvs)
+print(len(ohlcvs))
+exit()
+
+
+acc = api.get_balance()
+print(acc)
+
+#res = api.do_order("228790", finestock.ORDER_FLAG.BUY, 0, 1)
+#print(res)
+
+exit()
+orderbook = api.get_orderbook("233740")
+print(orderbook)
+#ohlcvs = api.get_ohlcv("233740", "20240806", "20240806")
+ohlcvs = api.get_ohlcv("233740")
+print(ohlcvs)
+exit()
+
+'''
+ohlcvs = api.get_ohlcv("005930", "20200101", "20240328")
+for price in ohlcvs:
+    print(price.workday)
+exit()
+'''
+api.set_account_info(account_num, account_num_sub)
+acc = api.get_balance()
+print(acc)
+exit()
+
+#ohlcvs = api.get_index("405", "20200101", "20240328")
+ohlcvs = api.get_index("405", "20240802", "20240802")
+print(ohlcvs)
+print(len(ohlcvs))
+print(ohlcvs)
+for price in ohlcvs:
+    print(price.workday)
+exit()
+#Ebest만 사용 가능
+#list = api.get_index_list()
+#print(list)
+#exit()
+#res = api.do_order("004410", finestock.ORDER_FLAG.SELL, 176, 1)
+#print(res)
+#res = api.do_order_cancle("19441", "004410", 1)
+#print(res)
+res = api.get_order_status("004410")
+print(res)
+exit()
+res = api.do_order("004410", finestock.ORDER_FLAG.BUY, 170, 1)
+print(res)
+exit()
+
+list = api.get_stock_list()
+print(api.stock_master)
+print(list)
+print(len(list))
+#print(list.keys())
+exit()
+
+#주식 ohlcv 가져오기
+ohlcvs = api.get_ohlcv("005930", "20240101", "20240328")
+print(ohlcvs)
+logger.debug("Hihi")
+
+#지수정보 가져오기
+#index = api.get_index("3003", "20240101", "20240328") #LS: 405, KIS: 3003
+#print(index)
+
+#계좌정보 가져오기
+api.set_account_info(account_num, account_num_sub)
+acc = api.get_balance()
+print(acc)
+
+
+#주문
+#res = api.do_order("004410", finestock.ORDER_FLAG.BUY, 170, 1)
+#print(res)
+
+#주문상태 확인
+res = api.get_order_status("004410")
+print(res)
+
+#주문취소
+#res = api.do_order_cancle("13889", "004410", 1)
+#print(res)
+
+
+exit()
+#ohlcvs = api.get_ohlcv("005930", "20240101", "20240328")
+#print(ohlcvs)
+
+#api.get_index_list()
+#api.get_ohlcv("005930", count=20)
+#ohlcvs = api.get_index("3003", "20240101", "20240328")
+#print(ohlcvs)
+
+
+#orderbook = api.get_orderbook("005930")
+#print(orderbook)
+#res = api.do_order("004410", ORDER.BUY, 150, 1)
+#res = api.do_order_cancle("12788", "004410", 1)
@@ -0,0 +1,62 @@
+import os
+import queue
+import threading
+
+from finestock import APIProvider
+
+try:
+    # 선택 의존성: 설치돼 있으면 .env 파일을 자동으로 읽어 os.environ에 채워준다.
+    # pip install python-dotenv
+    from dotenv import load_dotenv
+    load_dotenv()
+except ImportError:
+    pass
+
+import finestock
+import asyncio
+from loguru import logger
+import sys
+logger.add(sys.stdout, level="DEBUG")
+finestock.print_version_info()
+
+data_queue = queue.Queue()
+data_condition = threading.Condition()
+
+# 실키/토큰은 절대 코드에 하드코딩하지 말 것. 환경변수로 주입한다.
+# 예 (PowerShell): $env:APP_KEY="..."; $env:APP_SECRET="..."
+app_key = os.environ.get("APP_KEY", "YOUR_APP_KEY")
+app_secret = os.environ.get("APP_SECRET", "YOUR_APP_SECRET")
+access_token = os.environ.get("ACCESS_TOKEN", "")
+
+api_type = APIProvider.LSV
+api = finestock.APIFactory.create_api(api_type)
+
+api.set_oauth_info(app_key, app_secret)
+
+login = False
+if login:
+    api.oauth()
+    print(api.access_token)
+else:
+    api.access_token = access_token
+    api.headers['authorization'] = f"Bearer {access_token}"
+
+api.set_queue(data_queue, data_condition)
+
+async def main():
+    await api.connect()
+    #await api.recv_orderbook("005930")
+    #await api.recv_price("005930")
+    #await api.recv_orderbook("082850")
+    #await api.recv_price("082850")
+    #await api.recv_price("233740")
+
+    #await api.recv_index("405") #코스닥 150: 405
+    await api.recv_order_status()
+
+    await api.run()
+
+asyncio.run(main())
+#loop = asyncio.get_event_loop()
+#loop.run_until_complete(main())
+#loop.close()
@@ -0,0 +1,98 @@
+import asyncio
+import queue
+import sys
+from loguru import logger
+
+import finestock
+from finestock import APIProvider
+from finestock.comm.api_interface import AuthenticationProvider, RealtimeProvider
+
+# Configure logging
+logger.remove()
+logger.add(sys.stdout, level="DEBUG")
+
+async def consume_data(data_queue: queue.Queue):
+    """
+    Background task to consume data from the queue asynchronously.
+    """
+    logger.info("Data consumer started...")
+    while True:
+        try:
+            if not data_queue.empty():
+                data = data_queue.get_nowait()
+                print(f"Received Realtime Data: {data}")
+            else:
+                await asyncio.sleep(0.1) # Yield control
+        except Exception as e:
+            logger.error(f"Consumer Error: {e}")
+            await asyncio.sleep(1)
+
+async def main():
+    finestock.print_version_info()
+
+    # 1. Create API Instance
+    api = finestock.create_api(APIProvider.KIWOOM)
+    
+    # 2. Setup Authentication
+    # Kiwoom requires app key/secret? 
+    # Based on kiwoom.py:
+    # self.app_key = None
+    # self.app_secret = None
+    # OAuth uses them.
+    # I should use the keys if I have them or reuse from current context if needed.
+    # example_v1.py used:
+    # api.set_oauth_info("RSvh1vtzHj8Z5F15Ee7_rJ5znHuAKOF6A8v90TEkyBk", "_7wuGnkD-Crf1TJKErJPYkQp7AVuh_gVOPgQ2Uyyh7k")
+    
+    auth_api: AuthenticationProvider = api
+    if isinstance(auth_api, AuthenticationProvider):
+        APP_KEY = "RSvh1vtzHj8Z5F15Ee7_rJ5znHuAKOF6A8v90TEkyBk"
+        APP_SECRET = "_7wuGnkD-Crf1TJKErJPYkQp7AVuh_gVOPgQ2Uyyh7k"
+        auth_api.set_oauth_info(APP_KEY, APP_SECRET)
+        token = auth_api.oauth()
+        logger.info(f"Logged in.")
+
+    # 3. Setup Realtime Data (Async)
+    realtime_api: RealtimeProvider = api
+    if isinstance(realtime_api, RealtimeProvider):
+        # Create Queue for data
+        data_queue = queue.Queue()
+        realtime_api.set_data_queue(data_queue)
+
+        # Connect to WebSocket
+        logger.info("Connecting to WebSocket...")
+        await realtime_api.connect()
+
+        # Login is handled in connect
+
+
+        # Subscribe to Realtime Prices
+        # Ex: Samsung Electronics (005930)
+        logger.info("Subscribing to 005930...")
+        await realtime_api.recv_price("005930")
+
+        # Subscribe to Realtime Index
+        # Ex: KOSPI (001)
+        logger.info("Subscribing to KOSPI (001)...")
+        await realtime_api.recv_index("001")
+
+        # Start the data consumer task
+        consumer_task = asyncio.create_task(consume_data(data_queue))
+
+        # Start the API run loop
+        logger.info("Starting API Event Loop...")
+        
+        # Run for 10 seconds then exit for verification
+        try:
+            await asyncio.wait_for(realtime_api.run(), timeout=30)
+        except asyncio.TimeoutError:
+            logger.info("Test finished (timeout)")
+        
+        # Cleanup
+        consumer_task.cancel()
+        await realtime_api.disconnect()
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        logger.info("Terminated by user")
@@ -0,0 +1,103 @@
+import asyncio
+import os
+import queue
+import sys
+from loguru import logger
+
+import finestock
+from finestock import APIProvider
+from finestock.comm.api_interface import AuthenticationProvider, RealtimeProvider
+
+try:
+    # 선택 의존성: 설치돼 있으면 .env 파일을 자동으로 읽어 os.environ에 채워준다.
+    # pip install python-dotenv
+    from dotenv import load_dotenv
+    load_dotenv()
+except ImportError:
+    pass
+
+# Configure logging
+logger.remove()
+logger.add(sys.stdout, level="DEBUG")
+
+
+async def consume_data(data_queue: queue.Queue):
+    """
+    Background task to consume data from the queue asynchronously.
+    """
+    logger.info("Data consumer started...")
+    while True:
+        try:
+            if not data_queue.empty():
+                data = data_queue.get_nowait()
+                print(f"Received Realtime Data: {data}")
+            else:
+                await asyncio.sleep(0.1)  # Yield control
+        except Exception as e:
+            logger.error(f"Consumer Error: {e}")
+            await asyncio.sleep(1)
+
+
+async def main():
+    finestock.print_version_info()
+
+    # 1. Create API Instance
+    # 모의투자로 테스트하려면 APIProvider.NHV를 사용한다. 단, 접근토큰발급(oauth())은
+    # NH·NHV 모두 항상 운영 도메인에서만 발급된다(모의투자 계좌로 거래하더라도 토큰은 동일).
+    api = finestock.create_api(APIProvider.NH)
+
+    # 2. Setup Authentication
+    # 실키/시크릿은 절대 코드에 하드코딩하지 말 것. 환경변수로 주입한다.
+    # 예 (PowerShell): $env:APP_KEY="..."; $env:APP_SECRET="..."
+    auth_api: AuthenticationProvider = api
+    if isinstance(auth_api, AuthenticationProvider):
+        app_key = os.environ.get("APP_KEY", "YOUR_APP_KEY")
+        app_secret = os.environ.get("APP_SECRET", "YOUR_APP_SECRET")
+        auth_api.set_oauth_info(app_key, app_secret)
+        auth_api.oauth()
+        logger.info("Logged in.")
+
+    # 3. Setup Realtime Data (Async)
+    realtime_api: RealtimeProvider = api
+    if isinstance(realtime_api, RealtimeProvider):
+        # Create Queue for data
+        data_queue = queue.Queue()
+        realtime_api.set_data_queue(data_queue)
+
+        # Connect to WebSocket
+        logger.info("Connecting to WebSocket...")
+        await realtime_api.connect()
+
+        # Subscribe to Realtime Price (체결가) — 삼성전자(005930)
+        logger.info("Subscribing to 005930 price...")
+        await realtime_api.recv_price("005930")
+
+        # Subscribe to Realtime Orderbook (호가) — 삼성전자(005930)
+        logger.info("Subscribing to 005930 orderbook...")
+        await realtime_api.recv_orderbook("005930")
+
+        # 참고: NH krstock API에는 지수 실시간 채널이 없어 recv_index()는 stub이다
+        # (호출하면 "not supported" 로그만 남기고 아무것도 구독하지 않는다).
+
+        # Start the data consumer task
+        consumer_task = asyncio.create_task(consume_data(data_queue))
+
+        # Start the API run loop
+        logger.info("Starting API Event Loop...")
+
+        # Run for 30 seconds then exit for verification
+        try:
+            await asyncio.wait_for(realtime_api.run(), timeout=30)
+        except asyncio.TimeoutError:
+            logger.info("Test finished (timeout)")
+
+        # Cleanup
+        consumer_task.cancel()
+        await realtime_api.disconnect()
+
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        logger.info("Terminated by user")
@@ -0,0 +1,120 @@
+import asyncio
+import queue
+import sys
+from loguru import logger
+
+import finestock
+from finestock import APIProvider
+from finestock.comm.api_interface import AuthenticationProvider, RealtimeProvider
+
+# Configure logging
+logger.remove()
+logger.add(sys.stdout, level="DEBUG")
+
+async def consume_data(data_queue: queue.Queue):
+    """
+    Background task to consume data from the queue asynchronously.
+    """
+    logger.info("Data consumer started...")
+    while True:
+        try:
+            # Since refined queue is thread-safe standard queue, we can just poll it
+            # In a real async app, you might use asyncio.Queue for await q.get()
+            # But here we are injecting a standard queue as per interface.
+            # To avoid blocking the loop, we use run_in_executor or just poll with sleep
+            
+            if not data_queue.empty():
+                data = data_queue.get_nowait()
+                # Type hinting can be used here if data structure is known
+                if isinstance(data, finestock.Price):
+                    type_str = "Index" if data.code == "001" else "Price/Trade" # Simple heuristic
+                    print(f"[{type_str}] Code: {data.code}, Time: {data.time}, Current: {data.close}, Vol: {data.volume}")
+                elif isinstance(data, finestock.OrderBook):
+                    print(data)
+                    print(f"[OrderBook] Code: {data.code}, Buy: {data.total_buy}, Sell: {data.total_sell}")
+                    if data.buy: print(f"  Best Buy: {data.buy[0].price} ({data.buy[0].qty})")
+                    if data.sell: print(f"  Best Sell: {data.sell[0].price} ({data.sell[0].qty})")
+                elif isinstance(data, finestock.Trade):
+                    print(f"[Order Status] Code: {data.code}, Flag: {data.trade_flag}, Order: {data.order_flag}, Qty: {data.qty}")
+                else:
+                     print(f"Received Data: {data}")
+            else:
+                await asyncio.sleep(0.1) # Yield control
+        except Exception as e:
+            logger.error(f"Consumer Error: {e}")
+            await asyncio.sleep(1)
+
+async def main():
+    finestock.print_version_info()
+
+    # 0. Select Provider
+    # TARGET_PROVIDER = APIProvider.LSV
+    TARGET_PROVIDER = APIProvider.KIWOOMV
+    
+    print(f"Selected Provider: {TARGET_PROVIDER.name}")
+
+    # 1. Create API Instance
+    api = finestock.create_api(TARGET_PROVIDER)
+
+    # 2. Setup Authentication
+    auth_api: AuthenticationProvider = api
+    if isinstance(auth_api, AuthenticationProvider):
+        if TARGET_PROVIDER == APIProvider.LSV:
+            # LSV Keys
+            APP_KEY = "PSgjLpp90XLhWexJYGL0P36oyzM3ne5kjhDW"
+            APP_SECRET = "htA3h9kULFPD75vtHAt0JaXyYAjsbf0b"
+        elif TARGET_PROVIDER == APIProvider.KIWOOM:
+            # Kiwoom Keys (Test)
+            APP_KEY = "RSvh1vtzHj8Z5F15Ee7_rJ5znHuAKOF6A8v90TEkyBk"
+            APP_SECRET = "_7wuGnkD-Crf1TJKErJPYkQp7AVuh_gVOPgQ2Uyyh7k"
+        elif TARGET_PROVIDER == APIProvider.KIWOOMV:
+            APP_KEY = "5-7V0r97uwlzmPNFa_FnwFEZtnyhFAZ1qlnDXQH2rX4"
+            APP_SECRET = "YOMvV7X1CwwST-_iFmRAPKXO7Wwr4zGGyTPX5gFcAqk"
+
+        auth_api.set_oauth_info(APP_KEY, APP_SECRET)
+        token = auth_api.oauth()
+        print(f"Logged in with token: {token}")
+
+    # 3. Setup Realtime Data (Async)
+    realtime_api: RealtimeProvider = api
+    if isinstance(realtime_api, RealtimeProvider):
+        # Create Queue for data
+        data_queue = queue.Queue()
+        realtime_api.set_data_queue(data_queue)
+
+        # Connect to WebSocket
+        logger.info("Connecting to WebSocket...")
+        await realtime_api.connect()
+
+        # Subscribe to Realtime Prices
+        # Subscribe to Realtime Prices, Orderbook, and Trades
+        # Ex: Samsung Electronics (005930)
+        logger.info("Subscribing to 005930 (Price, Orderbook, Trade)...")
+        #await realtime_api.recv_price("005930") #완료
+        #await realtime_api.recv_orderbook("005930") #완료
+        #await realtime_api.recv_trade("005930") # Same as price (0B)
+        
+        logger.info("Subscribing to Order Status (00)...")
+        await realtime_api.recv_order_status()
+
+        # Subscribe to Index
+        # Ex: KOSPI (001)
+        logger.info("Subscribing to KOSPI Index (001)...")
+        #await realtime_api.recv_index("001") #완료
+
+        # Start the data consumer task
+        consumer_task = asyncio.create_task(consume_data(data_queue))
+
+        # Start the API run loop (This blocks until disconnected)
+        logger.info("Starting API Event Loop...")
+        
+        await realtime_api.run()
+        
+        # Cleanup (if loop breaks)
+        consumer_task.cancel()
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        logger.info("Terminated by user")
@@ -0,0 +1,161 @@
+import os
+import sys
+import finestock
+from finestock import APIProvider
+
+try:
+    # 선택 의존성: 설치돼 있으면 .env 파일을 자동으로 읽어 os.environ에 채워준다.
+    # pip install python-dotenv
+    from dotenv import load_dotenv
+    load_dotenv()
+except ImportError:
+    pass
+
+#from loguru import logger
+finestock.print_version_info()
+#logging.basicConfig(level=logging.DEBUG)
+#logger.add(sys.stdout, level="DEBUG")
+
+#print(logger._core.handlers)  # 내부 구조 접근이지만 확인용으로는 유용
+#exit()
+
+# 실키/토큰은 절대 코드에 하드코딩하지 말 것. 환경변수로 주입한다.
+# 예 (PowerShell): $env:APP_KEY="..."; $env:APP_SECRET="..."
+app_key = os.environ.get("APP_KEY", "YOUR_APP_KEY")
+app_secret = os.environ.get("APP_SECRET", "YOUR_APP_SECRET")
+account_num = os.environ.get("ACCOUNT_NUM", "YOUR_ACCOUNT_NUM")
+account_num_sub = os.environ.get("ACCOUNT_NUM_SUB", "01")
+access_token = os.environ.get("ACCESS_TOKEN", "")
+
+api = finestock.APIFactory.create_api(APIProvider.KIS)
+api.set_oauth_info(app_key, app_secret)
+
+login = False
+if login:
+    api.oauth()
+    print(api.access_token)
+else:
+    api.headers['authorization'] = f"Bearer {access_token}"
+
+res = api.get_price("329180")
+print(res)
+res = api.get_ohlcv("329180", "20260819", "20260820")
+print(res)
+exit()
+#exit()
+#list = api.get_condition_list("shinalok")
+#print(list)
+#list = api.get_condition_price("shinalok0000")
+#print(list)
+# etf_list = ["069500", "229200", "292190", "156080"]
+# prices = api.get_multiple_ohlcv(etf_list)
+# print(prices)
+# exit()
+#api.set_account_info(account_num, account_num_sub)
+# ohlcvs = api.get_ohlcv("233740")
+# print(ohlcvs)
+# exit()
+#ohlcvs = api.get_index_min("405", "20250514")
+ohlcvs = api.get_ohlcv_min("005930", "20250515")
+print(ohlcvs)
+print(len(ohlcvs))
+exit()
+
+
+acc = api.get_balance()
+print(acc)
+
+#res = api.do_order("228790", finestock.ORDER_FLAG.BUY, 0, 1)
+#print(res)
+
+exit()
+orderbook = api.get_orderbook("233740")
+print(orderbook)
+#ohlcvs = api.get_ohlcv("233740", "20240806", "20240806")
+ohlcvs = api.get_ohlcv("233740")
+print(ohlcvs)
+exit()
+
+'''
+ohlcvs = api.get_ohlcv("005930", "20200101", "20240328")
+for price in ohlcvs:
+    print(price.workday)
+exit()
+'''
+api.set_account_info(account_num, account_num_sub)
+acc = api.get_balance()
+print(acc)
+exit()
+
+#ohlcvs = api.get_index("405", "20200101", "20240328")
+ohlcvs = api.get_index("405", "20240802", "20240802")
+print(ohlcvs)
+print(len(ohlcvs))
+print(ohlcvs)
+for price in ohlcvs:
+    print(price.workday)
+exit()
+#Ebest만 사용 가능
+#list = api.get_index_list()
+#print(list)
+#exit()
+#res = api.do_order("004410", finestock.ORDER_FLAG.SELL, 176, 1)
+#print(res)
+#res = api.do_order_cancle("19441", "004410", 1)
+#print(res)
+res = api.get_order_status("004410")
+print(res)
+exit()
+res = api.do_order("004410", finestock.ORDER_FLAG.BUY, 170, 1)
+print(res)
+exit()
+
+list = api.get_stock_list()
+print(api.stock_master)
+print(list)
+print(len(list))
+#print(list.keys())
+exit()
+
+#주식 ohlcv 가져오기
+ohlcvs = api.get_ohlcv("005930", "20240101", "20240328")
+print(ohlcvs)
+logger.debug("Hihi")
+
+#지수정보 가져오기
+#index = api.get_index("3003", "20240101", "20240328") #LS: 405, KIS: 3003
+#print(index)
+
+#계좌정보 가져오기
+api.set_account_info(account_num, account_num_sub)
+acc = api.get_balance()
+print(acc)
+
+
+#주문
+#res = api.do_order("004410", finestock.ORDER_FLAG.BUY, 170, 1)
+#print(res)
+
+#주문상태 확인
+res = api.get_order_status("004410")
+print(res)
+
+#주문취소
+#res = api.do_order_cancle("13889", "004410", 1)
+#print(res)
+
+
+exit()
+#ohlcvs = api.get_ohlcv("005930", "20240101", "20240328")
+#print(ohlcvs)
+
+#api.get_index_list()
+#api.get_ohlcv("005930", count=20)
+#ohlcvs = api.get_index("3003", "20240101", "20240328")
+#print(ohlcvs)
+
+
+#orderbook = api.get_orderbook("005930")
+#print(orderbook)
+#res = api.do_order("004410", ORDER.BUY, 150, 1)
+#res = api.do_order_cancle("12788", "004410", 1)
@@ -0,0 +1,64 @@
+import os
+import finestock
+from finestock import APIProvider
+
+try:
+    # 선택 의존성: 설치돼 있으면 .env 파일을 자동으로 읽어 os.environ에 채워준다.
+    # pip install python-dotenv
+    from dotenv import load_dotenv
+    load_dotenv()
+except ImportError:
+    pass
+
+finestock.print_version_info()
+
+# 실키/토큰은 절대 코드에 하드코딩하지 말 것. 환경변수로 주입한다.
+# 예 (PowerShell): $env:APP_KEY="..."; $env:APP_SECRET="..."
+app_key = os.environ.get("APP_KEY", "YOUR_APP_KEY")
+app_secret = os.environ.get("APP_SECRET", "YOUR_APP_SECRET")
+access_token = os.environ.get("ACCESS_TOKEN", "")
+
+# 모의투자로 테스트하려면 APIProvider.NHV를 사용한다. 단, 접근토큰발급(oauth())은
+# NH·NHV 모두 항상 운영 도메인에서만 발급된다(모의투자 계좌로 거래하더라도 토큰은 동일).
+api = finestock.APIFactory.create_api(APIProvider.NH)
+api.set_oauth_info(app_key, app_secret)
+
+login = False
+if login:
+    api.oauth()
+    print(api.access_token)
+else:
+    api.headers['authorization'] = f"Bearer {access_token}"
+
+# 1) 계좌 목록 조회 — /n2/acctinfo. acct_type이 01/02면 운영(NH) 전용, 03이면 모의투자(NHV) 전용.
+accounts = api.get_account_list()
+print(accounts)
+
+# 계좌목록에서 사용할 계좌를 골라 세팅한다. act_no는 11자리 단일 값이라 sub는 비워둔다.
+account_num = os.environ.get("ACCOUNT_NUM", "YOUR_ACCOUNT_NUM")
+#account_num_sub = os.environ.get("ACCOUNT_NUM_SUB", "YOUR_ACCOUNT_NUM")
+api.set_account_info(account_num, "")
+
+'''
+# 2) 시세 조회
+price = api.get_price("005930")
+print(price)
+
+ohlcvs = api.get_ohlcv("005930", "20260701", "20260821")
+print(len(ohlcvs), ohlcvs[:3] if ohlcvs else ohlcvs)
+
+orderbook = api.get_orderbook("005930")
+print(orderbook)
+'''
+# 3) 계좌/잔고 조회
+acc = api.get_balance()
+print(acc)
+if acc:
+    print(len(acc.hold), acc.hold[:3] if acc.hold else acc.hold)
+
+# 4) 주문 (실제 체결되니 운영 도메인에서는 주의 — 테스트는 APIProvider.NHV 권장)
+# res = api.do_order("005930", finestock.ORDER_FLAG.BUY, 0, 1)  # price=0 -> 시장가
+# print(res)
+# if res:
+#     cancel = api.do_order_cancel(res.order_num, "005930", 0)  # qty<=0 -> 전량취소
+#     print(cancel)
@@ -0,0 +1,191 @@
+import sys
+from loguru import logger
+
+import finestock
+from finestock import APIProvider
+from finestock.comm.api_interface import AuthenticationProvider, MarketDataProvider, TradingProvider, AccountProvider
+
+# Configure logging
+logger.remove()
+logger.add(sys.stdout, level="INFO")
+
+
+def main():
+    finestock.print_version_info()
+
+    # 1. Create API Instance
+    # The 'api' object implements multiple interfaces (Authentication, MarketData, Realtime, etc.)
+    api = finestock.create_api(APIProvider.KIWOOMV)
+    
+    # 2. Setup Authentication (Sync)
+    # Type Hinting: View 'api' as AuthenticationProvider to see only auth-related methods
+    auth_api: AuthenticationProvider = api
+    if isinstance(auth_api, AuthenticationProvider):
+        #APP_KEY = "YOUR_APP_KEY"
+        #APP_SECRET = "YOUR_APP_SECRET"
+        #APP_KEY = "PSgjLpp90XLhWexJYGL0P36oyzM3ne5kjhDW" #LSV
+        #APP_SECRET = "htA3h9kULFPD75vtHAt0JaXyYAjsbf0b" #LSV
+        #APP_KEY = "RSvh1vtzHj8Z5F15Ee7_rJ5znHuAKOF6A8v90TEkyBk"
+        #APP_SECRET = "_7wuGnkD-Crf1TJKErJPYkQp7AVuh_gVOPgQ2Uyyh7k"
+        APP_KEY = "5-7V0r97uwlzmPNFa_FnwFEZtnyhFAZ1qlnDXQH2rX4"
+        APP_SECRET = "YOMvV7X1CwwST-_iFmRAPKXO7Wwr4zGGyTPX5gFcAqk"
+        auth_api.set_oauth_info(APP_KEY, APP_SECRET)
+        token = auth_api.oauth()
+        print(token)
+        # auth_api.oauth() # Perform actual login
+        # or auth_api.set_access_token("TOKEN")
+
+    # 3. Market Data (Sync)
+    logger.info("Fetching Market Data (Sync)...")
+    # Type Hinting: View 'api' as MarketDataProvider
+    market_api: MarketDataProvider = api
+    if isinstance(market_api, MarketDataProvider):
+        try:
+            # ohlcvs = market_api.get_ohlcv("005930", "20240101", "20240105")
+            # print(f"Received {len(ohlcvs)} records")
+            ohlcv = market_api.get_price("005930")
+            print(f"Received {ohlcv}")
+            exit()
+
+            # Example: Parsing Price objects
+            print(f"{'Date':<10} | {'Close':<10} | {'Volume':<10}")
+            print("-" * 36)
+
+            price: finestock.Price = ohlcv
+            # Accessing fields of the Price dataclass
+            print(f"{price.workday:<10} | {price.close:<10} | {price.volume:<10}")
+        except Exception as e:
+            logger.error(f"Market Data Error: {e}")
+        exit()
+        try:
+            # ohlcvs = market_api.get_ohlcv("005930", "20240101", "20240105")
+            # print(f"Received {len(ohlcvs)} records")
+            ohlcvs = market_api.get_ohlcv("005930", "20240101", "20240105")
+            print(f"Received {len(ohlcvs)} records")
+            
+            # Example: Parsing Price objects
+            print(f"{'Date':<10} | {'Close':<10} | {'Volume':<10}")
+            print("-" * 36)
+            for price in ohlcvs:
+                price: finestock.Price = price
+                # Accessing fields of the Price dataclass
+                print(f"{price.workday:<10} | {price.close:<10} | {price.volume:<10}")
+        except Exception as e:
+            logger.error(f"Market Data Error: {e}")
+
+        try:
+            logger.info("Fetching Stock List (KOSPI)...")
+            # info_api = api # InfoProvider
+            if hasattr(market_api, 'get_stock_list'):
+                stocks = market_api.get_stock_list("0") # 0: KOSPI
+                print(f"Received {len(stocks)} stocks for KOSPI")
+                print(f"First 5 stocks:")
+                for s in stocks[:5]:
+                    print(s)
+        except Exception as e:
+            logger.error(f"Stock List Error: {e}")
+
+        try:
+            logger.info("Fetching KOSDAQ Index List...")
+            # market_api is typed as MarketDataProvider if using interface, but get_index_list is specific to Kiwoom or extended interface
+            # Since market_api is actually the API instance, we can call it if available
+            if hasattr(market_api, 'get_index_list'):
+                indices = market_api.get_index_list("0") # 0: KOSPI
+                print(f"Received {len(indices)} indices for KOSPI")
+                print(f"First 5 indices:")
+                for idx in indices[:5]:
+                    print(f"Code: {idx.code}, Name: {idx.name}, Market: {idx.market}, Group: {idx.group}")
+        except Exception as e:
+            logger.error(f"Index List Error: {e}")
+
+        try:
+            logger.info("Fetching KOSDAQ 150 Index Data...")
+            # KOSDAQ 150 Code: 150
+            ohlcvs = market_api.get_index("150", "20260201", "20260213")
+            print(f"Received {len(ohlcvs)} records for KOSDAQ 150")
+            
+            print(f"{'Date':<10} | {'Close':<10} | {'Volume':<10}")
+            print("-" * 36)
+            for price in ohlcvs:
+                price: finestock.Price = price
+                print(f"{price.workday:<10} | {price.close:<10} | {price.volume:<10}")
+        except Exception as e:
+            logger.error(f"KOSDAQ 150 Error: {e}")
+
+        try:
+            logger.info("Fetching Orderbook for Samsung Electronics (005930)...")
+            orderbook = market_api.get_orderbook("005930")
+            if orderbook:
+                print(f"Orderbook for {orderbook.code}")
+                print(f"Total Buy: {orderbook.total_buy}, Total Sell: {orderbook.total_sell}")
+                print("Sell Side (Top 5):")
+                for h in orderbook.sell[:5]:
+                    print(f"  Price: {h.price}, Qty: {h.qty}")
+                print("Buy Side (Top 5):")
+                for h in orderbook.buy[:5]:
+                    print(f"  Price: {h.price}, Qty: {h.qty}")
+            else:
+                print("Orderbook empty or failed.")
+        except Exception as e:
+            logger.error(f"Orderbook Error: {e}")
+
+    # 4. Trading (Sync)
+    logger.info("Trading Example...")
+    trading_api: TradingProvider = api
+    if isinstance(trading_api, TradingProvider):
+        try:
+            # Example: Buy Samsung Electronics (005930) 1 share at Market Price
+            # trde_tp 3: Market Price, 0: Limit Price
+            # In do_order, price=0 means Market Price (trde_tp="3")
+            
+            # Uncomment to execute
+            # logger.info("Placing Buy Order for 005930 (1 qty, Market Price)...")
+            #result = trading_api.do_order("005930", finestock.ORDER_FLAG.BUY, 0, 1)
+            #result = trading_api.do_order("005930", finestock.ORDER_FLAG.BUY, 173000, 1)
+            #result = trading_api.do_order("005930", finestock.ORDER_FLAG.BUY, 176000, 1)
+            result = trading_api.do_order_cancel("0157069", "005930", 1)
+            #result = trading_api.do_order("005930", finestock.ORDER_FLAG.SELL, 177200, 1)
+            print(f"Order Result: {result}")
+            
+            #print("To place an order, uncomment the lines in the script.")
+            
+            # Example: Cancel Order
+            # logger.info("Cancelling Order 0000140 for 005930 (1 qty)...")
+            # result = trading_api.do_order_cancel("0000140", "005930", 1)
+            # print(f"Cancel Result: {result}")
+            
+        except Exception as e:
+            logger.error(f"Trading Error: {e}")
+
+    # 5. Account (Sync)
+    logger.info("Account Example...")
+    account_api: AccountProvider = api
+    if isinstance(account_api, AccountProvider):
+        try:
+            logger.info("Fetching Account Balance...")
+            balance = account_api.get_balance()
+            if balance:
+                print(f"Account: {balance.account_num}")
+                print(f"Deposit: {balance.deposit}")
+                print(f"Next Deposit: {balance.next_deposit}")
+                print(f"Pay Deposit: {balance.pay_deposit}")
+            else:
+                print("Failed to get balance.")
+
+            logger.info("Fetching Account Holdings...")
+            holds = account_api.get_holds()
+            print(f"Received {len(holds)} holdings")
+            if holds:
+                print(f"{'Code':<10} | {'Name':<20} | {'Qty':<10} | {'Eval':<15}")
+                print("-" * 60)
+                for h in holds:
+                    print(f"{h.code:<10} | {h.name:<20} | {h.qty:<10} | {h.eval:<15}")
+            else:
+                print("No holdings or failed to fetch.")
+        except Exception as e:
+            logger.error(f"Account Error: {e}")
+
+
+
+if __name__ == "__main__":
+    main()
@@ -8,6 +8,8 @@ class APIProvider(Enum):
    KISV = "KISV"
    KIWOOM = "KIWOOM"
    KIWOOMV = "KIWOOMV"
+    NH = "NH"
+    NHV = "NHV"

 class APIFactory:
    @staticmethod
@@ -33,5 +35,11 @@ class APIFactory:
        elif api_provider == APIProvider.KIWOOMV:
             from .kiwoom import KiwoomV
             return KiwoomV()
+        elif api_provider == APIProvider.NH:
+            from .nh import Nh
+            return Nh()
+        elif api_provider == APIProvider.NHV:
+            from .nh import NhV
+            return NhV()
        else:
            raise ValueError("Unsupported API provider")
@@ -20,8 +20,8 @@ class Kis(API):
            "appkey": self.app_key,
            "appsecret": self.app_secret
        }
-        data = json.dumps(data)
-        return super().oauth(data=data)
+        header = {"Content-Type": "application/json; charset=UTF-8"}
+        return super().oauth(header=header, data=json.dumps(data))

    def approval(self):
        header = self.headers.copy()
@@ -67,6 +67,11 @@ class Kis(API):

        return ohlcvs

+    def get_ohlcv_min(self, code, todate="", exchgubun="K", cts_date="", cts_time="", tr_cont_key=""):
+        # TODO: KIS 분봉 조회 TR(FHKST03010200) 미연동. 우선 인터페이스 계약만 충족.
+        print("Kis get_ohlcv_min not supported yet")
+        return []
+
    def get_index(self, code, frdate=datetime.now().strftime('%Y%m%d'), todate=datetime.now().strftime('%Y%m%d')):
        header = self.headers.copy()
        header["tr_id"] = "FHKUP03500100"
@@ -88,6 +93,11 @@ class Kis(API):

        return ohlcvs

+    def get_index_min(self, code, todate="", cts_date=" ", cts_time="", tr_cont_key=""):
+        # TODO: KIS 지수 분봉 조회 TR 미연동. 우선 인터페이스 계약만 충족.
+        print("Kis get_index_min not supported yet")
+        return []
+
    def get_orderbook(self, code):
        header = self.headers.copy()
        header["tr_id"] = "FHKST01010200"
@@ -146,6 +156,10 @@ class Kis(API):
        return finestock.Account(self.account_num, self.account_num_sub, int(acc["dnca_tot_amt"]), int(acc["nxdy_excc_amt"]),
                       int(acc["prvs_rcdl_excc_amt"]), holds)

+    def get_holds(self):
+        balance = self.get_balance()
+        return balance.hold if balance else []
+
    def do_order(self, code, buy_flag, price, qty):
        url = f"{self.DOMAIN}/{self.ORDER}"
        header = self.headers.copy()
@@ -180,6 +194,11 @@ class Kis(API):
    def get_index_list(self):
        print("Kis not supported")

+    def get_stock_list(self, mrkt_tp="0"):
+        # TODO: KIS 종목 리스트 조회 TR 미연동. 우선 인터페이스 계약만 충족.
+        print("Kis get_stock_list not supported yet")
+        return []
+
    async def connect(self):
        self.approval()
        self.ws = await websockets.connect(self.DOMAIN_WS)
@@ -0,0 +1,2 @@
+from .nh import Nh
+from .nh_v import NhV
@@ -0,0 +1,383 @@
+import asyncio
+import json
+import time
+from datetime import datetime
+
+import requests
+import websockets
+from loguru import logger
+from websockets.exceptions import ConnectionClosedOK
+
+import finestock
+from finestock.comm import API
+
+
+class Nh(API):
+    """
+    NH투자증권 나무(Namuh) Open API.
+
+    - 모든 REST 호출은 POST + JSON, 요청은 {"Input_0": {...}}, 응답은
+      rsp_cd/rsp_msg + Output_0(+Output_1...) + message 봉투를 사용한다.
+    - 인증은 Authorization: Bearer {access_token} + x-client-id + x-client-secret 헤더.
+    - 접근토큰발급(oauth2/token)은 모의투자 환경에서도 항상 운영 도메인(OAUTH_DOMAIN)에서만
+      발급된다 — DOMAIN이 모의투자(moapi)로 바뀌는 NhV에서도 이 값은 고정이다.
+    - 계좌번호(act_no)는 /n2/acctinfo 응답의 acct_no(11자리) 하나로 구성되며 별도의
+      계좌상품코드 분리가 없다. set_account_info(account_num, account_num_sub)는 다른
+      브로커와의 인터페이스 호환을 위해 유지하되, account_num_sub는 비워두거나(단일
+      계좌번호를 account_num에 그대로 전달) 필요 시 account_num에 이어붙일 접미사로 쓴다.
+    """
+
+    RSP_OK = "00000"
+
+    def __init__(self):
+        super().__init__()
+        self.is_run = True
+        print("create Nh Components")
+
+    def __del__(self):
+        logger.debug("Destroy Nh Components")
+
+    # ------------------------------------------------------------------
+    # 인증
+    # ------------------------------------------------------------------
+    def set_oauth_info(self, app_key, app_secret):
+        self.app_key = app_key
+        self.app_secret = app_secret
+        self.headers['x-client-id'] = app_key
+        self.headers['x-client-secret'] = app_secret
+
+    def oauth(self):
+        # 접근토큰발급은 모의투자 미제공 — 항상 운영 도메인(OAUTH_DOMAIN)에서만 발급받는다.
+        url = f"{self.OAUTH_DOMAIN}/{self.OAUTH}"
+        header = {"Content-Type": "application/x-www-form-urlencoded"}
+        data = {
+            "appkey": self.app_key,
+            "appsecretkey": self.app_secret,
+            "grant_type": "client_credentials",
+            "scope": "oob",
+        }
+        response = requests.post(url, headers=header, data=data)
+        try:
+            res = response.json()
+        except Exception:
+            res = response.text
+
+        logger.debug(f"[API: oauth]\n"
+                     f"[URL: {url}]\n"
+                     f"[header: {header}]\n"
+                     f"[param: {data}]\n"
+                     f"[response: {res}]")
+
+        if response.status_code == 200 and isinstance(res, dict) and "access_token" in res:
+            self.set_access_token(res['access_token'])
+        return res
+
+    def get_account_list(self):
+        """/n2/acctinfo — 보유 계좌 목록([{acct_no, acct_type}, ...]) 조회. 인터페이스 외 헬퍼."""
+        res = self._post(self.ACCOUNT_LIST, {})
+        if res.get('rsp_cd') == self.RSP_OK:
+            return res.get('Output_0', [])
+        return []
+
+    def _act_no(self):
+        if self.account_num_sub:
+            return f"{self.account_num}{self.account_num_sub}"
+        return self.account_num
+
+    def _post(self, path, input_0, extra_headers=None):
+        url = f"{self.DOMAIN}/{path}"
+        header = self.headers.copy()
+        if extra_headers:
+            header.update(extra_headers)
+        body = {"Input_0": input_0}
+        response = requests.post(url, headers=header, data=json.dumps(body))
+        res = response.json()
+        self._last_response = response  # 연속조회(cts/cts_flag)는 body가 아니라 응답 헤더로 내려온다
+        logger.debug(f"[API: nh]\n"
+                     f"[URL: {url}]\n"
+                     f"[header: {header}]\n"
+                     f"[param: {body}]\n"
+                     f"[response: {res}]")
+        return res
+
+    # ------------------------------------------------------------------
+    # 시세
+    # ------------------------------------------------------------------
+    def get_price(self, code, market_cd="UNT"):
+        input_0 = {"market_cd": market_cd, "iem_cd": code}
+        res = self._post(self.PRICE, input_0)
+        if res.get('rsp_cd') != self.RSP_OK:
+            return None
+
+        data = res.get('Output_0', {})
+        today = datetime.now().strftime('%Y%m%d')
+        price = float(data['stck_prpr'])
+        return finestock.Price(today, code, price, float(data['stck_oprc']), float(data['stck_hgpr']),
+                               float(data['stck_lwpr']), price, int(data['acml_vol']), int(data['acml_tr_pbmn']),
+                               time=data.get('hoga_bsop_hour'))
+
+    def get_ohlcv(self, code, frdate="", todate="", market_cd="UNT"):
+        todate = todate or datetime.now().strftime('%Y%m%d')
+        frdate = frdate or todate
+
+        # NH의 기간별시세(period)는 LS/KIS와 달리 연속조회 키가 없다 — edate 기준으로
+        # array_cnt만큼 한 번에 내려오는 값을 받아 frdate~todate로 클라이언트에서 자른다.
+        input_0 = {
+            "market_cd": market_cd,
+            "iem_cd": code,
+            "gubun": "1",  # 1:일 2:주 3:월 4:년
+            "edate": todate,
+            "array_cnt": "900",
+        }
+        res = self._post(self.CHART, input_0)
+
+        ohlcvs = []
+        if res.get('rsp_cd') == self.RSP_OK:
+            for row in res.get('Output_1', []):
+                bsop_date = row['bsop_date']
+                if bsop_date < frdate or bsop_date > todate:
+                    continue
+                price = float(row['stck_prpr'])
+                ohlcvs.append(finestock.Price(bsop_date, code, price, float(row['stck_oprc']), float(row['stck_hgpr']),
+                                              float(row['stck_lwpr']), price, int(row['vol']), int(row['tr_pbmn'])))
+
+        ohlcvs.sort(key=lambda p: p.workday)
+        return ohlcvs
+
+    def get_ohlcv_min(self, code, todate="", exchgubun="K", cts_date="", cts_time="", tr_cont_key=""):
+        # NH는 분봉 전용 TR이 없고 기간별시세(period)를 gubun=5(분)로 재사용한다.
+        # cts_date/cts_time/tr_cont_key는 NH가 분봉 연속조회를 지원하지 않아 사용하지
+        # 않는다 — 다른 브로커와의 인터페이스 호환을 위해서만 받아둔다.
+        todate = todate or datetime.now().strftime('%Y%m%d')
+        market_cd = {"K": "KRX", "N": "NXT"}.get(exchgubun, "UNT")
+        today_cls_code = "1" if todate == datetime.now().strftime('%Y%m%d') else "0"
+
+        input_0 = {
+            "market_cd": market_cd,
+            "iem_cd": code,
+            "gubun": "5",  # 5:분
+            "xtick": "1",  # 1분봉
+            "edate": todate,
+            "array_cnt": "900",
+            "today_cls_code": today_cls_code,
+        }
+        res = self._post(self.CHART, input_0)
+
+        ohlcvs = []
+        if res.get('rsp_cd') == self.RSP_OK:
+            for row in res.get('Output_1', []):
+                price = float(row['stck_prpr'])
+                ohlcvs.append(finestock.Price(row['bsop_date'], code, price, float(row['stck_oprc']), float(row['stck_hgpr']),
+                                              float(row['stck_lwpr']), price, int(row['vol']), int(row['tr_pbmn']),
+                                              row.get('bsop_time')))
+        return ohlcvs
+
+    def get_index(self, code, frdate="", todate=""):
+        # krstock(국내주식) API에는 지수 시세 TR이 없다 — 인터페이스 계약만 충족.
+        print("Nh get_index not supported yet")
+        return []
+
+    def get_index_min(self, code, todate="", cts_date=" ", cts_time="", tr_cont_key=""):
+        print("Nh get_index_min not supported yet")
+        return []
+
+    def get_orderbook(self, code, market_cd="UNT"):
+        # NH는 호가 전용 TR이 없고 주식현재가시세(currentPrice) 응답에 10단계 호가가 포함된다.
+        input_0 = {"market_cd": market_cd, "iem_cd": code}
+        res = self._post(self.PRICE, input_0)
+        if res.get('rsp_cd') != self.RSP_OK:
+            return None
+
+        data = res.get('Output_0', {})
+        sells = [finestock.Hoga(int(data[f'askp{i}']), int(data[f'askp_rsqn{i}'])) for i in range(1, 11)]
+        buys = [finestock.Hoga(int(data[f'bidp{i}']), int(data[f'bidp_rsqn{i}'])) for i in range(1, 11)]
+        total_buy = int(data['total_bidp_rsqn'])
+        total_sell = int(data['total_askp_rsqn'])
+        return finestock.OrderBook(code, total_buy, total_sell, buys, sells)
+
+    # ------------------------------------------------------------------
+    # 주문
+    # ------------------------------------------------------------------
+    def do_order(self, code, buy_flag, price, qty, rmt_mkt_cd="KRX"):
+        path = self.ORDER_CASH_BUY if buy_flag == finestock.ORDER_FLAG.BUY else self.ORDER_CASH_SELL
+        nmn_pr_tp_cd = "05" if price == 0 else "01"  # 01:보통가(지정가) 05:시장가
+
+        input_0 = {
+            "act_no": self._act_no(),
+            "iem_cd": code,
+            "orr_qty": qty,
+            "orr_pr": price,
+            "nmn_pr_tp_cd": nmn_pr_tp_cd,
+            "orr_cnd_dit_cd": "00",  # 00:없음 01:IOC 02:FOK
+            "ssl_nmn_pr_dit_cd": "00",  # 00:정상(공매도 아님)
+            "rmt_mkt_cd": rmt_mkt_cd,  # SOR/KRX/NXT
+            "sor_mkt_sli_yn": "Y" if rmt_mkt_cd == "SOR" else "N",
+        }
+        res = self._post(path, input_0)
+        if res.get('rsp_cd') != self.RSP_OK:
+            return None
+
+        data = res.get('Output_0', {})
+        return finestock.Order(code, '', price, qty, buy_flag, str(data.get('mkt_orr_no')))
+
+    def do_order_cancel(self, order_num, code, qty):
+        all_pat_dit_cd = "1" if qty <= 0 else "2"  # 1:전체(전량) 2:일부(잔량)
+        input_0 = {
+            "act_no": self._act_no(),
+            "org_mkt_orr_no": int(order_num),
+            "all_pat_dit_cd": all_pat_dit_cd,
+            "iem_cd": code,
+        }
+        if all_pat_dit_cd == "2":
+            input_0["cor_qty"] = qty
+
+        res = self._post(self.ORDER_CANCEL, input_0)
+        if res.get('rsp_cd') != self.RSP_OK:
+            return None
+
+        data = res.get('Output_0', {})
+        return finestock.Order(code, '', 0, qty, finestock.ORDER_FLAG.VIEW, str(data.get('mkt_orr_no')))
+
+    # ------------------------------------------------------------------
+    # 계좌
+    # ------------------------------------------------------------------
+    def get_balance(self, cts="", cts_flag=""):
+        input_0 = {
+            "act_no": self._act_no(),
+            "bnc_bse_cd": "1",  # 1:주식관련 총 평가(체결기준) 5:주식잔고평가(현재가기준)
+            "ltg_aot_dit_cd": "1",  # 1:상장종목 9:전체
+            "aet_bse": "1",  # 1:순자산 2:총자산
+            "qut_dit_cd": "UNT",  # UNT/KRX/NXT
+        }
+        # 연속조회는 body가 아니라 요청 헤더의 cts(연속거래키)/cts_flag(Y)로 이어받는다.
+        extra_headers = {"cts": cts, "cts_flag": "Y"} if cts_flag == "Y" else None
+        res = self._post(self.BALANCE, input_0, extra_headers)
+        # 이 TR은 "성공"에 해당하는 rsp_cd가 하나로 고정돼 있지 않다 — 실제로 확인된 것만도
+        # '00218'(연속조회 데이터 더 있음, rsp_msg: "계속 조회시 다음(연속조회) 버튼을 누르시기
+        # 바랍니다.")과 '00166'(마지막 페이지, rsp_msg: "조회가 완료되었습니다.") 둘 다 정상
+        # 응답이었다. rsp_cd를 화이트리스트로 고정하는 대신 Output_0가 실제로 왔는지(게이트웨이
+        # 오류는 'IGW...' 코드로 오고 Output_0가 없다)로 성공 여부를 판단한다.
+        if 'Output_0' not in res:
+            return None
+
+        data = res.get('Output_0', {})
+        holds = []
+        for h in res.get('Output_1', []):
+            eal_amt = int(float(h.get('eal_amt') or 0))
+            eal_pls_amt = int(float(h.get('eal_pls_amt') or 0))
+            holds.append(finestock.Hold(h['iem_cd'], h['iem_nm'], int(float(h['phs_pr'])),
+                                        int(float(h['itg_bnc_qty'])), eal_amt - eal_pls_amt,
+                                        eal_amt))
+
+        # Output_1은 페이지당 최대 10건 — 응답 헤더에 다음 페이지가 있다는 cts_flag=Y와
+        # 연속거래키(cts)가 내려오면 이어서 조회해 보유종목을 전부 모은다. 순자산금액/
+        # 총평가손익 등 계좌 합계 필드는 "보유한 잔고를 모두 조회한 이후"의 마지막 페이지
+        # 응답에만 정상 값이 채워지므로(공식 문서 기재) 그 페이지의 Output_0을 쓴다.
+        resp_headers = getattr(self._last_response, 'headers', {}) or {}
+        next_cts = resp_headers.get('cts')
+        next_cts_flag = resp_headers.get('cts_flag')
+        if next_cts_flag == "Y" and next_cts:
+            time.sleep(0.5)
+            next_account = self.get_balance(next_cts, "Y")
+            if next_account is None:
+                return None
+            return finestock.Account(self.account_num, self.account_num_sub, next_account.deposit,
+                                     next_account.next_deposit, next_account.pay_deposit,
+                                     holds + next_account.hold)
+
+        return finestock.Account(self.account_num, self.account_num_sub, int(data.get('dca', 0)),
+                                 int(data.get('nxt_dd_dca', 0)), int(data.get('nxt2_dd_dca', 0)), holds)
+
+    def get_holds(self):
+        balance = self.get_balance()
+        return balance.hold if balance else []
+
+    # ------------------------------------------------------------------
+    # 종목/지수 목록 — NH는 전종목 조회 REST API가 없고 종목마스터 파일(.mst,
+    # CP949 고정길이 바이너리, https://www.nhplug.com/instruments/)로만 제공된다.
+    # ------------------------------------------------------------------
+    def get_stock_list(self, mrkt_tp="0"):
+        print("Nh get_stock_list not supported yet (see instruments/m_new_stock.mst)")
+        return []
+
+    def get_index_list(self):
+        print("Nh get_index_list not supported yet")
+        return []
+
+    # ------------------------------------------------------------------
+    # 실시간 (WebSocket)
+    # ------------------------------------------------------------------
+    async def connect(self):
+        self.ws = await websockets.connect(self.DOMAIN_WS)
+
+    async def disconnect(self):
+        self.stop()
+        if self.ws is not None:
+            await self.ws.close()
+
+    def stop(self):
+        self.is_run = False
+
+    async def _send(self, tr_cd, tr_key, status=True):
+        header = {"token": self.access_token, "tr_type": "1" if status else "2"}
+        body = {"tr_cd": tr_cd, "tr_key": tr_key}
+        await self.ws.send(json.dumps({"header": header, "body": body}))
+
+    async def recv_price(self, code, status=True):
+        await self._send("oc", code, status)  # 국내주식 실시간체결가(KRX)
+
+    async def recv_index(self, code, status=True):
+        print("Nh recv_index not supported yet")
+
+    async def recv_orderbook(self, code, status=True):
+        await self._send("ob", code, status)  # 국내주식 실시간호가(KRX)
+
+    async def recv_trade(self, code, status=True):
+        # 체결통보('d2')는 종목코드가 아닌 userid를 tr_key로 구독하는 계좌 단위 통보라
+        # code 기반의 이 시그니처로는 표현할 수 없다 — 인터페이스 계약만 충족.
+        print("Nh recv_trade not supported yet (userid 기반 체결통보 채널 'd2' 참고)")
+
+    async def run(self):
+        self.is_run = True
+        while self.is_run:
+            try:
+                res = await asyncio.wait_for(self.ws.recv(), timeout=1)
+                res = json.loads(res)
+                header = res.get('header', {})
+                body = res.get('body')
+                if not body:
+                    continue
+
+                tr_cd = header.get('tr_cd')
+                code = header.get('tr_key', '')
+                if tr_cd in ("oc", "mc", "nc"):
+                    self.add_data(self._parse_price(code, body))
+                elif tr_cd in ("ob", "mb", "nb"):
+                    self.add_data(self._parse_orderbook(code, body))
+            except asyncio.TimeoutError:
+                pass
+            except ConnectionClosedOK as e:
+                print(f"ConnectionClosedOK: {e}")
+                self.is_run = False
+            except Exception as e:
+                print(f"Exception: {e}")
+                self.is_run = False
+
+        await self.ws.close()
+
+    # 실시간호가 응답필드는 레벨2~10이 관례적 순번(offer, P_, S_, S4_..S10_)으로 붙는다.
+    _ASK_LEVEL_PREFIXES = ('', 'P_', 'S_', 'S4_', 'S5_', 'S6_', 'S7_', 'S8_', 'S9_', 'S10_')
+
+    def _parse_orderbook(self, code, data):
+        sells = [finestock.Hoga(int(data[f'{p}offer']), int(data[f'{p}offerrem'])) for p in self._ASK_LEVEL_PREFIXES]
+        buys = [finestock.Hoga(int(data[f'{p}bid']), int(data[f'{p}bidrem'])) for p in self._ASK_LEVEL_PREFIXES]
+        total_sell = int(data.get('T_offerrem', 0))
+        total_buy = int(data.get('T_bidrem', 0))
+        return finestock.OrderBook(code, total_buy, total_sell, buys, sells)
+
+    def _parse_price(self, code, data):
+        today = datetime.now().strftime('%Y%m%d')
+        price = float(data['price'])
+        volume_amt = int(data.get('value_won', data.get('value', 0)))
+        return finestock.Price(today, code, price, float(data['open']), float(data['high']), float(data['low']),
+                               price, int(data['volume']), volume_amt, data.get('time'))
@@ -0,0 +1,19 @@
+from loguru import logger
+from finestock.nh import Nh
+
+
+class NhV(Nh):
+    """
+    NH투자증권 모의투자(Mock). DOMAIN/DOMAIN_WS만 모의투자(moapi) 도메인으로 바뀌며
+    (path.py 참고), 나머지 REST/WS 엔드포인트·필드는 운영과 동일하다.
+
+    접근토큰발급(oauth2/token)은 모의투자에서 제공되지 않아 Nh.oauth()가 항상
+    OAUTH_DOMAIN(운영)을 바라보도록 되어 있고, 여기서도 그대로 상속해 사용한다.
+    """
+
+    def __init__(self):
+        super().__init__()
+        print("create NhV Components")
+
+    def __del__(self):
+        logger.debug("Destroy NhV Components")
@@ -75,6 +75,28 @@ _KIWOOM_V_ = {
    "DOMAIN_WS": "wss://mockapi.kiwoom.com:10000/api/dostk/websocket",
 }

+_NH_ = {
+    "DOMAIN": "https://api.nhplug.com:8443",
+    "DOMAIN_WS": "wss://api.nhplug.com:7070",
+    # 접근토큰발급(oauth2/token)은 모의투자 미제공 — 항상 운영 도메인에서만 발급.
+    # NhV(모의투자)에서도 이 값은 바뀌지 않는다.
+    "OAUTH_DOMAIN": "https://api.nhplug.com:8443",
+    "OAUTH": "oauth2/token",
+    "ACCOUNT_LIST": "n2/acctinfo",
+    "ORDER_CASH_BUY": "krstock/order/v1/cashBuy",
+    "ORDER_CASH_SELL": "krstock/order/v1/cashSell",
+    "ORDER_CANCEL": "krstock/order/v1/cancel",
+    "ORDER_MODIFY": "krstock/order/v1/modify",
+    "BALANCE": "krstock/inquiry/v1/balance",
+    "PRICE": "krstock/quote/v1/currentPrice",
+    "CHART": "krstock/quote/v1/period",
+}
+_NH_V_ = {
+    **_NH_,
+    "DOMAIN": "https://moapi.nhplug.com:8443",
+    "DOMAIN_WS": "wss://moapi.nhplug.com:17070",
+}
+
 _API_PATH_ = {
    "EBest": {**_EBEST_},
    "LS": {**_LS_},
@@ -83,4 +105,6 @@ _API_PATH_ = {
    "KisV": {**_KIS_V_},
    "Kiwoom": {**_KIWOOM_},
    "KiwoomV": {**_KIWOOM_V_},
+    "Nh": {**_NH_},
+    "NhV": {**_NH_V_},
 }
@@ -0,0 +1,12 @@
+# finestock 런타임 의존성
+# (setup.py의 install_requires와 동일하게 유지할 것.
+#  단, asyncio는 Python 3.4+ 표준 라이브러리이므로 여기에 넣지 않는다.)
+requests
+websockets
+loguru
+
+# 선택 의존성: 예제 스크립트(example.py, example_async.py 등)에서
+# .env 파일을 자동으로 로드하고 싶을 때만 설치하면 된다.
+# pip install -r requirements.txt -r requirements-optional.txt 형태로 분리해도 되고,
+# 필요 없으면 아래 줄을 지워도 example 스크립트는 정상 동작한다(ImportError를 무시함).
+python-dotenv
@@ -0,0 +1,29 @@
+from setuptools import setup, find_packages
+
+setup(
+    name='finestock',
+    version='1.0.1.0',
+    description='Korean Stock OpenAPI Package(EBest, KIS, LS) creation written by alshin',
+    author='A.Lok, Shin',
+    author_email='shinalok357@gmail.com',
+    url='https://github.com/shinalok/finestock',
+    install_requires=['websockets', 'requests', 'loguru'],
+    extras_require={
+        # 예제 스크립트(example.py 등)의 .env 자동 로드용 선택 의존성.
+        # 패키지 자체 동작에는 필요 없음.
+        'examples': ['python-dotenv'],
+    },
+    packages=find_packages(exclude=[]),
+    keywords=['ebest', 'kis', 'ls', 'kiwoom', 'openapi', 'stock', 'kr'],
+    python_requires='>=3.7',
+    package_data={},
+    zip_safe=False,
+    classifiers=[
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
+    ],
+)
@@ -0,0 +1,15 @@
+import unittest
+from finestock.model import Price
+
+class TestPrice(unittest.TestCase):
+    def test_price_creation(self):
+        # workday, code, price, open, high, low, close, volume, volume_amt
+        price = Price.from_values(
+            "20250101", "005930", 70000, 69000, 71000, 68000, 70000, 1000, 70000000
+        )
+        self.assertEqual(price.code, "005930")
+        self.assertEqual(price.price, 70000.0)
+        self.assertEqual(price.volume, 1000)
+
+if __name__ == '__main__':
+    unittest.main()
@@ -0,0 +1,58 @@
+import sys
+import unittest
+from unittest.mock import MagicMock
+import queue
+
+# Create verification script
+class TestRefactoring(unittest.TestCase):
+    def test_lazy_loading(self):
+        # We need to ensure we start fresh
+        if 'finestock' in sys.modules:
+            del sys.modules['finestock']
+        if 'finestock.ls' in sys.modules:
+            del sys.modules['finestock.ls']
+            
+        import finestock
+        # Check if ls is imported in sys.modules
+        # Note: submodule might be imported but not bound to finestock.ls if lazy
+        # But here we check sys.modules
+        # Actually, if we just import finestock, it should NOT likely import finestock.ls unless __init__ does it
+        
+        # However, due to previous run_command usage or environment, it might strictly be tricky to un-import.
+        # But let's try.
+        # Ideally, we check that accessing finestock.ls raises AttributeError until we create it or import it.
+        
+        with self.assertRaises(AttributeError):
+            _ = finestock.ls
+            
+        print("PASS: Lazy loading check (finestock.ls not accessible)")
+
+    def test_interfaces_and_queue(self):
+        import finestock
+        from finestock.api_factory import APIProvider
+        from finestock.comm.api_interface import MarketDataProvider, RealtimeProvider
+        
+        # Create API
+        ls_api = finestock.create_api(APIProvider.LS)
+        
+        self.assertIsInstance(ls_api, MarketDataProvider, "LS should implement MarketDataProvider")
+        self.assertIsInstance(ls_api, RealtimeProvider, "LS should implement RealtimeProvider")
+        print("PASS: Interface implementation check")
+        
+        # Test Queue
+        q = queue.Queue()
+        ls_api.set_data_queue(q)
+        
+        test_data = {"price": 100}
+        ls_api.add_data(test_data)
+        
+        received = q.get(timeout=1)
+        self.assertEqual(received, test_data)
+        print("PASS: Queue injection check")
+        
+        # Test absence of make_queue
+        self.assertFalse(hasattr(ls_api, 'make_queue'), "make_queue should be removed")
+        print("PASS: make_queue removal check")
+
+if __name__ == '__main__':
+    unittest.main()