Stock Value Scanner Skill

Description

Features

• Real-time Valuation Analysis: Automatically obtain core valuation indicators such as P/B, P/E, PEG (from Yahoo Finance).
• Stock Price Trend Analysis: View closing prices, historical high pullbacks, 52-week range and long-term moving average trends.
• Market Anomaly Scanning: Check real-time US stock gainers, losers and actively traded stocks.
• Quality Check: Automatically detect quality indicators like ROE, net profit margin to eliminate "junk stocks".
• Intelligent Scoring: Generate a comprehensive score of 0-6 based on Buffett's value investment logic.

Usage

• Must install the Python library

  yfinance

  :

  pip install yfinance

• No API Key required.

Example Prompts

• "Analyze the investment value of MARA"
• "Check the recent trend of AAPL"
• "Query how far NVDA is from its historical high"
• "Check today's US stock gainers list"
• "Which stocks are the most actively traded recently"

Execution

1. Value Analysis & Scoring

python3 .gemini/skills/stock-value-scanner/scripts/scanner.py [SYMBOL]

python3 .gemini/skills/stock-value-scanner/scripts/scanner.py --scan

2. Stock Price Trend Query

python3 .gemini/skills/stock-value-scanner/scripts/stock_price.py [SYMBOL]

3. Market Anomaly Query

python3 .gemini/skills/stock-value-scanner/scripts/market_movers.py --type [gainers|losers|active]

Tips for the Agent

• Scenario Differentiation:
  • When users ask about "worth buying", "fundamentals", "valuation" -> Use

    scanner.py

    .
  • When users ask about "trend", "price movement", "historical high", "pullback", "moving average" -> Use

    stock_price.py

    .
  • When users ask about "gainers list", "losers list", "popular", "anomaly", "market index" -> Use

    market_movers.py

    .
• When encountering the error

  ImportError: No module named 'yfinance'

  , guide users to run

  pip install yfinance

  .
• The execution result is a text report, which can be directly presented to users without excessive explanation.