yfinance

You can retrieve OHLCV price bars for US and HK stocks by accessing unauthenticated public endpoints. The skill applies built-in symbol normalization to ensure consistent global market data delivery for backtesting workflows.

Accessing company financial statements without an expensive API subscription is possible by retrieving fundamental data from Yahoo Finance. You can pull company profiles, income statements, and institutional holdings directly through public endpoints.

Yes, you can analyze options chains and implied volatility using Yahoo Finance data. The skill retrieves option derivatives data, including strikes, bid/ask spreads, and implied volatility to support your options trading analysis.

You do not need authentication or API keys to fetch global market data. The skill utilizes unauthenticated public endpoints with built-in rate limiting to ensure reliable data retrieval without complex setup or subscription requirements.

When pulling institutional holdings data for fundamental evaluation, limitations include built-in rate limiting on public endpoints. You should monitor request frequency to ensure consistent data delivery and avoid hitting retrieval thresholds.