yfinance

Fetch Yahoo Finance market data without an API key by using the yfinance Python library. It programmatically retrieves OHLCV, financials, and institutional holdings for US stocks, HK stocks, and ETFs with straightforward error handling.

For backtesting and strategy development, you can retrieve OHLCV data, financial statements, insider transactions, and institutional holdings across US stocks, HK stocks, ETFs, and indices using the yfinance library.

Yes, you can get OHLCV data for Hong Kong stocks and ETFs using Python. The yfinance library supports fetching and parsing market data for HK stocks alongside US stocks and indices without requiring authentication.

To download stock data with yfinance, you need to install the yfinance and pandas Python libraries. Once installed, you can programmatically fetch market data without needing any external API keys or authentication tokens.

Accessing Yahoo Finance data for free via yfinance means relying on an unofficial API with potential rate limits or parsing changes. It uses straightforward error handling but lacks the guaranteed uptime or official support of paid market data APIs.

The best way to monitor multi-market assets across US and HK stocks is using the yfinance Python library. It fetches and parses Yahoo Finance data for US stocks, HK stocks, ETFs, and indices without API keys, enabling continuous market monitoring.