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Tag: yfinance

yfinance Python tutorial after work: download, cache, and inspect bars

After-work guide to yfinance python tutorial: download + local cache for learning—not a live trading feed. Educational only. Not investment advice.

pythonyfinancemassivepolygonfrededgarafter-workmarket-data

Is yfinance still reliable in 2026? Polygon is Massive — and a free official backup stack

yfinance is fine for after-work learning with a disk cache—not a live feed. Layer keyed REST (Massive, ex-Polygon), FRED, and SEC EDGAR; use Stooq CSV failover; migrate api.polygon.io on a checklist. Not investment advice.