restore and rebuild all stock query scripts
Recover 7 existing scripts from remote repo and rebuild 5 missing ones: - twse-margin-trading.py (融資融券) - twse-day-trading.py (當沖交易) - twse-foreign-holdings.py (外資持股) - yahoo-dividend-browserless.py (股利資訊) - yahoo-broker-trading-browserless.py (主力券商進出) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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CLAUDE.md
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CLAUDE.md
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# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Overview
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This is a stock query skill for Taiwan stock market data. Python scripts in `scripts/` fetch data from Yahoo Finance Taiwan using a Browserless headless browser service, then output concise Chinese summaries.
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## Environment Variables
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All `*-browserless.py` scripts require these environment variables (loaded from `.env`):
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- `BROWSERLESS_ENDPOINT` - Browserless service URL (e.g., `http://192.168.42.124:13000`)
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- `BROWSERLESS_TOKEN` - Authentication token for Browserless
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The `.env` file is searched first in current directory, then at workspace root (3 levels up from scripts).
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## Architecture
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Scripts fall into two categories:
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### 1. Browserless Scripts (Dynamic Content Scraping)
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Use Browserless to fetch Yahoo pages that require JavaScript rendering:
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| Script | Purpose |
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|--------|---------|
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| `yahoo-quote-browserless.py` | Individual stock quote (price, OHLC, volume, bid/ask) |
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| `yahoo-institutional-browserless.py` | Three major institutional investors (foreign, trust, dealer) |
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| `yahoo-technical-browserless.py` | Technical indicators (RSI14, ATR14, KD, Bollinger Bands, 5-day K-line) |
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| `yahoo-market-browserless.py` | TAIEX weighted index (^TWII) market summary |
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| `yahoo-dividend-browserless.py` | Dividend history (cash/stock dividend, ex-date, yield) |
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| `yahoo-broker-trading-browserless.py` | Top broker buy/sell rankings |
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### 2. Direct API Scripts (No Browserless Required)
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Use Yahoo Finance Chart API directly:
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| Script | Purpose |
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|--------|---------|
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| `yahoo-etf-holdings.py` | ETF holdings (top 10, industry distribution, asset allocation) |
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| `yahoo-ma-signal.py` | Moving averages (MA5/10/20/60) and 20-day bias |
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| `yahoo-macd-signal.py` | MACD indicator (DIF, DEA, histogram) |
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### 3. TWSE Public API Scripts (No Browserless Required)
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Use TWSE open data API directly:
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| Script | Purpose |
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|--------|---------|
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| `twse-margin-trading.py` | Margin trading balance (融資融券餘額) |
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| `twse-day-trading.py` | Day trading statistics (當沖交易統計) |
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| `twse-foreign-holdings.py` | Foreign investor holdings ratio (外資持股比例) |
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## Common Commands
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### Query individual stock (full analysis)
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```bash
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# Three scripts are typically run together for complete picture
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python3 skills/stocks-query/scripts/yahoo-institutional-browserless.py 2330
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python3 skills/stocks-query/scripts/yahoo-quote-browserless.py 2330
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python3 skills/stocks-query/scripts/yahoo-technical-browserless.py 2330
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```
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### Query ETF (with holdings)
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```bash
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python3 skills/stocks-query/scripts/yahoo-quote-browserless.py 0050
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python3 skills/stocks-query/scripts/yahoo-etf-holdings.py 0050
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```
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### Query market index
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```bash
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python3 skills/stocks-query/scripts/yahoo-market-browserless.py
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```
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### MA/MACD signals (direct API, no Browserless)
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```bash
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python3 skills/stocks-query/scripts/yahoo-ma-signal.py 2330
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python3 skills/stocks-query/scripts/yahoo-macd-signal.py 2330
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```
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### Dividend / Broker trading (Browserless)
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```bash
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python3 skills/stocks-query/scripts/yahoo-dividend-browserless.py 2330
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python3 skills/stocks-query/scripts/yahoo-broker-trading-browserless.py 2330
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```
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### TWSE data (margin, day-trading, foreign holdings)
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```bash
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python3 skills/stocks-query/scripts/twse-margin-trading.py 2330
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python3 skills/stocks-query/scripts/twse-day-trading.py 2330
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python3 skills/stocks-query/scripts/twse-foreign-holdings.py 2330
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```
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## Script Patterns
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- All scripts accept stock symbol as first command-line argument (default provided)
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- Browserless scripts use `urllib` or `subprocess` with `curl` to POST to Browserless `/content` endpoint
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- HTML parsing uses regex patterns (not BeautifulSoup) to minimize dependencies
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- Output format is Chinese text summaries with bullet points
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- Error handling exits with code 1 and prints error message to stderr
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## Stock Number Format
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- Taiwan stocks: 4-digit number (e.g., `2330`, `3481`)
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- ETFs: Typically start with `00` (e.g., `0050`, `00922`)
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- Yahoo suffix: `.TW` is appended automatically in URLs
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## Skill Integration
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This directory is registered as a skill (see `SKILL.md`). When users input a stock number or ask about "大盤" (market), the scripts should be executed in sequence and results synthesized into a concise Chinese summary with plain-language interpretation of technical indicators.
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