Compare sportsbook odds
Upload your bet or paste odds. We'll line-shop across major US sportsbooks — DraftKings, FanDuel, BetMGM, Caesars, ESPN BET, Fanatics — and show you which one is currently offering the best price relative to fair market value.
Why line shopping is the #1 +EV habit
The same outcome rarely has the same price across books. On a typical NFL moneyline you'll see 5–10 cents of variance — sometimes more on derivatives like player props. Over a full season, the bettor who takes the best available price beats the bettor who defaults to one app by 1–3% ROI.
We don't tell you which book to bet at — we just show you which book is offering the most edge on the bet you're actually trying to make.
What you'll see
- • Per-book price — what each sportsbook is currently posting.
- • Fair odds — the no-vig market consensus.
- • Edge % — how each book's price compares to fair.
- • Best book flag — which sportsbook is offering the highest edge right now.
Frequently asked questions
Why does it matter which sportsbook I use?+
Sportsbooks price the same market differently. One book may post a moneyline at +135 while another has the same outcome at +148. Over a season, consistently taking the best available price (line shopping) can swing a break-even bettor to a profitable one — it's the single highest-EV habit a casual bettor can build.
How much value is there in shopping for the best odds?+
Industry data suggests line shopping across 3+ sportsbooks adds roughly 1–3% to long-term ROI. On +200 props that variance can be 10–15 cents between books on the same game.
What does 'fair odds' tell me when comparing books?+
Fair odds are the no-vig market consensus — the true price all books agree on once their margins are stripped out. Comparing each book's posted price to fair shows which book is currently offering the best edge on your market.
Which sportsbooks does AiOddsLab compare?+
We pull live prices from major US sportsbooks: DraftKings, FanDuel, BetMGM, Caesars, ESPN BET, Fanatics, and others where the market is liquid. Coverage varies by league and market type.