The reference for odds.
Polymarket and the books side by side — see who has the edge.
Widest gaps right now
exchange vs book As of SEP 26 · 9:36 PM ET| Outcome | Exchange | Best book | Edge |
|---|---|---|---|
| Oklahoma City Thunder NBA Championship | 19.5% Polymarket | 27.8% BetMGM | +8.3 |
| Los Angeles Rams Super Bowl | 8.5% Polymarket | 16.7% BetMGM | +8.2 |
| Los Angeles Dodgers World Series | 28.5% Polymarket | 35.1% DraftKings | +6.6 |
| San Antonio Spurs NBA Championship | 20.5% Polymarket | 26.3% FanDuel | +5.8 |
| Boston Red Sox World Series | 2.5% Polymarket | 6.3% BetRivers | +3.8 |
| Houston Astros World Series | 1.1% Polymarket | 4.3% FanDuel | +3.2 |
Exchange vs sportsbook, on the same outcome
32 outcomes on “2027 Pro Football Champion” are priced by both a prediction-market exchange and real sportsbooks. Prices pulled from each venue at build time.
See all futures comparisons →| Outcome | Gemini | Novig | Polymarket | BetMGM | BetRivers | DraftKings | FanDuel | Edge |
|---|---|---|---|---|---|---|---|---|
| Los Angeles Rams | — | 23.5% | 8.5% | 16.7% +500 | 16.7% +500 | 16.7% +500 | 16.7% +500 | 8.2pt |
| Seattle Seahawks | 8.0% | 10.5% | 11.5% | 7.7% +1200 | 8.3% +1100 | 7.7% +1200 | 8.3% +1100 | 0.3pt |
| Buffalo Bills | 12.0% | 11.3% | 6.5% | 9.1% +1000 | 9.1% +1000 | 9.1% +1000 | 9.1% +1000 | 2.6pt |
| Kansas City Chiefs | 9.0% | 12.8% | 5.5% | 6.3% +1500 | 6.3% +1500 | 5.9% +1600 | 5.9% +1600 | 0.4pt |
| Baltimore Ravens | 9.0% | 11.8% | 5.4% | 8.3% +1100 | 8.3% +1100 | 9.1% +1000 | 7.1% +1300 | 1.7pt |
| New England Patriots | 5.0% | 6.8% | 5.5% | 4.8% +2000 | 5.3% +1800 | 5.3% +1800 | 5.6% +1700 | 0.2pt |
| Philadelphia Eagles | 6.0% | 6.0% | 4.5% | 5.3% +1800 | 5.6% +1700 | 5.6% +1700 | 5.0% +1900 | 0.6pt |
| Green Bay Packers | 5.0% | 5.0% | 4.0% | 4.8% +2000 | 4.8% +2000 | 4.8% +2000 | 4.3% +2200 | 0.3pt |
+24 more outcomes on the full comparison page.
Odds & value
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All comparisons and methodLargest US market share, competitive NFL spread vig, top-rated app
CFTC-regulated exchange with the broadest contract coverage across politics, economics, and sports
Lowest wagering requirement in the market and sub-5-minute payouts
Deepest game library and the fastest crypto redemption
Widest contest variety and the most prize-pool guarantees
Widest prop selection, with multipliers up to 25x
Shared liquidity across four MSIGA states and the deepest tournament calendar
Most state coverage of any lottery courier, DraftKings-backed
| Category | Our #1 | Why | |
|---|---|---|---|
| Sportsbooks | FanDuel | Largest US market share, competitive NFL spread vig, top-rated app | Ranking |
| Prediction markets | Kalshi | CFTC-regulated exchange with the broadest contract coverage across politics, economics, and sports | Ranking |
| Online casinos | FanDuel Casino | Lowest wagering requirement in the market and sub-5-minute payouts | Ranking |
| Sweepstakes casinos | Stake.us | Deepest game library and the fastest crypto redemption | Ranking |
| DFS | DraftKings | Widest contest variety and the most prize-pool guarantees | Ranking |
| Pick'em | PrizePicks | Widest prop selection, with multipliers up to 25x | Ranking |
| Poker | WSOP.com | Shared liquidity across four MSIGA states and the deepest tournament calendar | Ranking |
| Lottery | Jackpocket | Most state coverage of any lottery courier, DraftKings-backed | Ranking |
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