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Top Gaps

Where US sportsbooks disagree most on the same game.

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Top Gap
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About This Board

Where sportsbooks disagree most on the same game. Useful for arb hunting and finding stale outlier books, not always a +EV bet on its own.

ⓘ Kalshi, Polymarket US & ProphetX prices on this page include each venue's trading fees. They show what a taker actually pays. How we calculate this →
BetMGM Bet at BetMGM → ProphetX Trade at ProphetX → Novig Trade at Novig → Polymarket US Trade at Polymarket US →
Novig is a CFTC-regulated prediction market, not a sportsbook. Restrictions & requirements apply. Not available in all states. 21+. Event contract trading involves risk & is not appropriate for all. Consider if it's appropriate for you in light of financial circumstances. See novig.com/terms for information.

The Odds Gap Daily

One email each morning: how the lines moved in last night's big game, new finds from Trends, and where the books disagree most on the weekend slate.

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