Answered November 1, 2026

Free Historical Sports Betting Odds Data

The Odds Gap gives away one full week of its odds data, September 15 to 21, 2026, with no key and no signup, as CSV, JSON or Parquet. It holds every sport we priced that week. Recent data and the full history since June 4, 2026 are a subscription.

1. The same rows on every request, so a script you test keeps working.
2. Every data file has the same free week.
3. A worked example runs on it in about five minutes.

NFL Game Lines, Free Week The Data Page

curl -o game-lines.csv 'https://theoddsgap.com/api/odds-export.csv?sport=all'

More answers: Where to Download Historical NFL Betting Odds · Closing Line CSV for CLV Analysis · NFL Odds History for Backtesting · Historical Player Prop Odds · Prediction Market Sports Prices History

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