Chicago State vs. Butler odds: Kalshi vs Polymarket
Sat, Sep 19, 2026, 1:00 PM ET · college football games · $40 traded in 24h across both venues.
Butler: Kalshi 86¢ vs Polymarket 85¢, +1.5 pp
Mid prices. A price is the market's probability: 86¢ means 86%. The gap is Kalshi minus Polymarket in percentage points.
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
-10.45¢ per $1, after fees
Buy Butler @ Polymarket 90¢, Chicago State @ Kalshi 18¢
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap |
|---|---|---|---|
| Butler | 82¢ / 90¢ | 79¢ / 90¢ | +1.5 pp |
| Chicago State | 10¢ / 18¢ | 10¢ / 21¢ | -1.5 pp |
How this is matched
Games are matched across the two exchanges by league, team codes and date. Polymarket prices come from its live order book, Kalshi from its public API. Refreshed every 45 seconds.
What this is not
Read-only. Nothing here places or routes orders and nothing is advice. Fees, slippage and the time it takes to move money between venues are not in these numbers.