stock-correlation

# Stock Correlation Analysis Skill Finds and analyzes correlated stocks using historical price data from Yahoo Finance via [yfinance](https://github.com/ranaroussi/yfinance). Routes to specialized sub-skills based on user intent. **Important**: This is for research and educational purposes only. Not financial advice. yfinance is not affiliated with Yahoo, Inc. --- ## Step 1: Ensure Dependencies Are Available **Current environment status:** ``` !`python3 -c "exec('try:\n import yfinance, pandas, numpy\n print(f\'yfinance={yfinance.__version__} pandas={pandas.__version__} numpy={numpy.__version__}\')\nexcept Exception:\n print(\'DEPS_MISSING\')')"` ``` If `DEPS_MISSING`, install required packages before running any code: ```python import subprocess, sys subprocess.check_call([sys.executable, "-m", "pip", "install", "-q", "yfinance", "pandas", "numpy"]) ``` If all dependencies are already installed, skip the install step and proceed directly. --- ## Step 2: Route to the Correct Sub-Skill Classify the user's request and jump to the matching sub-skill section below. | User Request | Route To | Examples | |---|---|---| | Single ticker, wants to find related stocks | **Sub-Skill A: Co-movement Discovery** | "what correlates with NVDA", "find stocks related to AMD", "sympathy plays for TSLA" | | Two or more specific tickers, wants relationship details | **Sub-Skill B: Return Correlation** | "correlation between AMD and NVDA", "how do LITE and COHR move together", "compar...