San Francisco 49ers vs Atlanta Falcons: crowd vs house

NFL · Sun Oct 25, 1:00 PM ET · House take 4.2%

Crowd vs House split

House take (median book margin): 4.2%. That is the vig you pay by betting at the house. Split = crowd price minus the house's no-vig fair price.

SideCROWDHOUSE fairSplit
San Francisco 49ers65.3%
Polymarket + Kalshi mid
63.9%
no-vig median
+1.4 pts
Atlanta Falcons34.8%
Polymarket + Kalshi mid
36.1%
no-vig median
-1.4 pts

Who's cheaper: San Francisco 49ers to win

House no-vig fair: 63.9%. Cheapest after vig & fees: HOUSEFanDuel by 2.2¢ per $1 payout vs CROWDKalshi.

VenueQuotedAll-in cost / $1Notes
HOUSEFanDuel-189 (1.53)65.4¢
-189
CROWDKalshi open66¢ + 1.57¢ fee67.6¢
-208
spread 1¢, $10,348 at ask
CROWDPolymarket open67.0¢ + 0.66¢ fee67.7¢
-209
spread 4¢, $217 at ask

Who's cheaper: Atlanta Falcons to win

House no-vig fair: 36.1%. Cheapest after vig & fees: CROWDKalshi by 0.4¢ per $1 payout vs HOUSEDraftKings.

VenueQuotedAll-in cost / $1Notes
CROWDKalshi open35¢ + 1.59¢ fee36.6¢
+173
spread 1¢, $101 at ask
HOUSEDraftKings+170 (2.70)37.0¢
+170
CROWDPolymarket open37.0¢ + 0.70¢ fee37.7¢
+165
spread 4¢, $187 at ask

House moneylines

Book49ersFalconsHouse take
HOUSEBetMGM-200+1654.4%
HOUSECaesars-200+1684.0%
HOUSEDraftKings-204+1704.2%
HOUSEFanDuel-189+1584.1%
HOUSEFanatics-200+1654.4%

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.