Portland State vs Idaho State: crowd vs house

College Football · Sat Oct 24, 6:00 PM ET

Who's cheaper: Portland State to win

No house fair line.

VenueQuotedAll-in cost / $1Notes
CROWDKalshi open17¢ + 0.99¢ fee (via NO)18.0¢
+456
spread 4¢
CROWDPolymarket open20.0¢ + 0.48¢ fee20.5¢
+388
spread 9¢, $1 at ask, thin/wide market, excluded

Who's cheaper: Idaho State to win

No house fair line.

VenueQuotedAll-in cost / $1Notes
CROWDKalshi open86¢ + 0.84¢ fee (via NO)86.8¢
-660
spread 4¢
CROWDPolymarket open89.0¢ + 0.29¢ fee89.3¢
-834
spread 9¢, $13 at ask, thin/wide market, excluded

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.