PluginBench
Skill
Pass
Audit score 90

trading-analysis

gracefullight/stock-checker

Generate institutional-grade investment reports with technical analysis, AI insights, and professional charts for stocks and ETFs.

What is trading-analysis?

This skill creates comprehensive investment reports combining real-time market data from Yahoo Finance, 10+ technical indicators, Claude AI analysis, and professional visualizations. Use it when you need market analysis, trading recommendations, or institutional-quality reports for specific stocks or ETFs.

  • Downloads real-time market data from Yahoo Finance
  • Calculates 10+ technical indicators (RSI, MACD, Moving Averages, Bollinger Bands, etc.)
  • Analyzes market conditions using Claude AI
  • Generates 4 types of professional charts (price, indicators, volatility, dashboard)
  • Creates institutional-grade investment reports in Markdown format
  • Exports structured data in JSON format for programmatic access

How to install trading-analysis

npx skills add https://github.com/gracefullight/stock-checker --skill trading-analysis
Prerequisites
  • Valid Anthropic API key in .env file
  • Internet connection for real-time market data access
Claude Code
Cursor
Windsurf
Cline

How to use trading-analysis

  1. 1.Provide a stock ticker symbol (e.g., SPY, AAPL, TSLA)
  2. 2.Optionally specify client name, custom report title, or historical period
  3. 3.The skill downloads market data and calculates technical indicators
  4. 4.Claude AI analyzes market conditions and generates insights
  5. 5.Reports are generated in reports/ directory with Markdown, JSON, and PNG chart files
  6. 6.Review the generated Markdown report for executive summary, technical analysis, and recommendations

Use cases

Good for
  • Generate investment reports for specific stocks or ETFs (SPY, AAPL, TSLA, QQQ)
  • Create market analysis with technical indicators and sentiment assessment
  • Produce trading recommendations based on current market conditions
  • Generate professional reports for client presentations or portfolio review
  • Perform comparative analysis across multiple symbols
Who it's for
  • Investment analysts
  • Portfolio managers
  • Financial advisors
  • Institutional investors
  • Traders and market researchers

trading-analysis FAQ

What data sources does this skill use?

Real-time market data comes from Yahoo Finance API. Historical data availability is limited by Yahoo Finance.

How long does it take to generate a report?

Processing typically takes 15-30 seconds per symbol.

What chart resolution is provided?

Charts are generated at 300 DPI, making them print-ready for professional presentations.

Does this provide financial advice?

No. All reports include disclaimers that this is informational only and users should consult qualified financial advisors.

Can I analyze multiple symbols at once?

Yes. You can request reports for multiple symbols (e.g., SPY, QQQ, DIA) in a single request.

Full instructions (SKILL.md)

Source of truth, from gracefullight/stock-checker.


name: trading-analysis description: Generate professional investment reports for stocks and ETFs. Use when user requests market analysis, investment reports, stock analysis, or trading recommendations for financial instruments (SPY, AAPL, TSLA, etc.). Creates institutional-grade reports with technical indicators, AI-powered insights, charts, and investment recommendations.

Trading Analysis & Investment Report Generator

This skill generates comprehensive investment reports combining real-time market data, technical analysis, Claude AI insights, and professional visualizations.

What This Skill Does

  • Downloads real-time market data from Yahoo Finance
  • Calculates 10+ technical indicators (RSI, MACD, Moving Averages, Bollinger Bands, etc.)
  • Analyzes market conditions using Claude AI
  • Generates 4 types of professional charts (price, indicators, volatility, dashboard)
  • Creates institutional-grade investment reports in Markdown format
  • Exports structured data in JSON format

When to Use This Skill

Use this skill when the user requests:

  • Investment reports or analysis for specific stocks/ETFs
  • Market analysis with technical indicators
  • Trading recommendations based on current market conditions
  • Professional reports for clients or portfolio review
  • Comparative analysis across multiple symbols

Input Requirements

Required:

  • symbol: Stock ticker (e.g., SPY, AAPL, TSLA, QQQ)

Optional:

  • client_name: Name of the client/investor (default: "Institutional Investors")
  • report_title: Custom report title (auto-generated if not provided)
  • period: Historical data period (default: "6mo")

Output Files

The skill generates the following files in the reports/ directory:

  1. Markdown Report ({SYMBOL}_analysis_report_{timestamp}.md)

    • Executive summary with sentiment and recommendation
    • Market overview with price tables
    • Technical analysis with indicators
    • AI-powered market intelligence
    • Investment recommendations with entry/exit criteria
    • Risk assessment
    • Chart references
  2. JSON Data ({SYMBOL}_analysis_report_{timestamp}_data.json)

    • Structured data for programmatic access
    • All metrics and analysis results
  3. Charts (PNG format, 300 DPI):

    • {SYMBOL}_price_chart.png: Price with moving averages
    • {SYMBOL}_indicators_chart.png: RSI and MACD
    • {SYMBOL}_volatility_chart.png: Historical volatility
    • {SYMBOL}_summary_dashboard.png: Performance dashboard

Example Usage

Simple request: "Generate an investment report for SPY"

Detailed request: "Create a market analysis report for AAPL for Acme Capital with the title 'Q4 2025 AAPL Investment Strategy'"

Multiple symbols: "Generate investment reports for SPY, QQQ, and DIA"

Report Quality

  • Format: Institutional-grade, suitable for client presentations
  • Data Accuracy: Real-time market data with verified calculations
  • Visual Quality: High-resolution charts (300 DPI, print-ready)
  • AI Analysis: Claude-powered market sentiment and risk assessment
  • Completeness: Executive summary, technical analysis, recommendations, disclaimers

Technical Details

  • Data Source: Yahoo Finance API
  • AI Model: Claude 3.7 Sonnet (configurable)
  • Chart Resolution: 300 DPI (print quality)
  • Report Format: GitHub-flavored Markdown
  • Processing Time: ~15-30 seconds per symbol

Safety & Disclaimers

All reports automatically include:

  • Investment disclaimer
  • Risk warnings
  • Clarification that this is informational, not financial advice
  • Recommendation to consult qualified financial advisors

Notes

  • Requires valid Anthropic API key in .env file
  • Requires internet connection for market data
  • Historical data limited by Yahoo Finance availability
  • AI analysis is based on technical data, not fundamental analysis