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IND Colts vs KC Chiefs — Indianapolis

Post
KalshiPolymarket Closes Sep 21, 2026
MarketMaster fair value72¢ vs live 70¢ on Polymarket
2.0% against the midpoint, -2.0% against the 74¢ ask you would actually pay, -2.9% after the 0.96¢ taker fee.
No edge after fees
Trade on Polymarket ↗
LIVE PRICES — YES
KalshiBEST YES PRICETrade ↗
27¢ last
BidAsk
YES25¢27¢
NO73¢75¢
$16,506 volume
PolymarketTrade ↗
30¢ last
BidAsk
YES26¢28¢
NO72¢74¢
$1,102 volume
Cross-venue spread 3.0¢· active arbitrage window
30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Indianapolis wins the IND Colts vs KC Chiefs Pro Football game originally scheduled for Sep 20, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming NFL game, scheduled for September 20 at 8:20PM ET: If Colts wins, the market will resolve to "Colts". If Chiefs wins, the market will resolve to "Chiefs". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely or ends in a tie, with no make-up game, this market will resolve 50-50.

Show full rules
STATS
Cross-venue spread3.0¢
Kalshi last27¢
Polymarket last30¢
Model fair value72¢
Model confidence27%
Venues2
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