yfinance

The yfinance provider requires no API key and is always the final fallback in the provider chain. It wraps the yfinance Python library directly (no HTTP calls from stockfeed itself).

Setup

No configuration needed. yfinance is always registered and always available.

Supported intervals

All intervals: 1m, 5m, 15m, 30m, 1h, 4h, 1d, 1w, 1mo.

Note

yfinance has no native 4h interval. stockfeed maps 4h to 1h as the closest available approximation.

Adjusted vs raw prices

yfinance is the only provider that natively returns both adjusted and raw prices. stockfeed calls history() twice — once with auto_adjust=False (raw) and once with auto_adjust=True (adjusted) — and combines the results into close_raw and close_adj.

Rate limits

yfinance has no official rate limit. Be polite — avoid hammering it in tight loops.

Known limitations

• No intraday data beyond 60 days
• Some tickers may return empty DataFrames without an explicit error
• International exchange coverage varies