Kansas City Chiefs vs Seattle Seahawks: crowd vs house
NFL · Sun Oct 25, 8:20 PM ET · House take 4.1%
Crowd vs House split
House take (median book margin): 4.1%. That is the vig you pay by betting at the house. Split = crowd price minus the house's no-vig fair price.
| Side | CROWD | HOUSE fair | Split |
|---|---|---|---|
| Kansas City Chiefs | 44.2% Polymarket + Kalshi mid | 44.7% no-vig median | -0.5 pts |
| Seattle Seahawks | 55.5% Polymarket + Kalshi mid | 55.3% no-vig median | +0.2 pts |
Who's cheaper: Kansas City Chiefs to win
House no-vig fair: 44.7%. Cheapest after vig & fees: HOUSEDraftKings by 0.3¢ per $1 payout vs CROWDPolymarket.
| Venue | Quoted | All-in cost / $1 |
|---|---|---|
| HOUSEDraftKings | +120 (2.20) | 45.5¢ +120 |
| CROWDPolymarket open | 45.0¢ + 0.74¢ fee | 45.7¢ +119 |
| CROWDKalshi open | 45¢ + 1.73¢ fee | 46.7¢ +114 |
Who's cheaper: Seattle Seahawks to win
House no-vig fair: 55.3%. Cheapest after vig & fees: CROWDPolymarket by 0.4¢ per $1 payout vs HOUSEFanDuel.
| Venue | Quoted | All-in cost / $1 |
|---|---|---|
| CROWDPolymarket open | 56.0¢ + 0.74¢ fee | 56.7¢ -131 |
| HOUSEFanDuel | -133 (1.75) | 57.1¢ -133 |
| CROWDKalshi open | 56¢ + 1.72¢ fee | 57.7¢ -137 |
House moneylines
| Book | Chiefs | Seahawks | House take |
|---|---|---|---|
| HOUSEBetMGM | +115 | -135 | 4.0% |
| HOUSEBetRivers | +112 | -137 | 5.0% |
| HOUSECaesars | +115 | -135 | 4.0% |
| HOUSEDraftKings | +120 | -143 | 4.3% |
| HOUSEFanDuel | +114 | -133 | 3.9% |
| HOUSEFanatics | +115 | -141 | 5.0% |
All-in cost = what you pay for a contract/bet that returns $1 if it wins, after Kalshi or Polymarket taker fees (the vig is already inside sportsbook prices). Lower is better. How we calculate this.
Last updated: Oct 20, 2026 1:20 AM ET. Prices move constantly; always check the live price at the venue.