yfinance Export

yf_invest.py downloads historical daily OHLCV price data using Yahoo Finance (yfinance) for a ticker and lookback period (years), then exports a clean CSV.

yf_invest.py downloads historical daily OHLCV price data using Yahoo Finance (yfinance) for a ticker and lookback period (years), then exports a clean CSV.

Inputs: ticker + years. Outputs: daily CSV (script-defined filename). Run: python yf_invest.py and follow prompts. Known limitations: Yahoo data can be incomplete/adjusted and may throttle. Safety: informational use only; log date range fetched for traceability.

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