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Colts vs. Chiefs

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KalshiPolymarket Closes Sep 21, 2026
MarketMaster fair value29¢ vs live 28¢ on Kalshi
1.3% against the midpoint, 0.8% against the 28¢ ask you would actually pay, -0.6% after the 1.41¢ taker fee.
No edge after fees
Trade on Kalshi ↗
LIVE PRICES — YES
KalshiBEST YES PRICETrade ↗
28¢ last
BidAsk
YES27¢28¢
NO72¢73¢
$21,166 volume
PolymarketTrade ↗
30¢ last
BidAsk
YES26¢27¢
NO73¢74¢
$3,001 volume
Cross-venue spread 2.0¢
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.

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STATS
Cross-venue spread2.0¢
Kalshi last28¢
Polymarket last30¢
Model fair value29¢
Model confidence28%
Venues2
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Colts vs. Chiefs: O/U 46.550¢Seahawks vs. Cardinals: O/U 40.5Vikings vs. Bears: O/U 49.5Seattle vs Los Angeles A: Total Runs — Over 9.5 runs scoredNew York Yankees vs. Minnesota Twins: O/U 8.5Miami vs Arizona: Total Runs — Over 9.5 runs scored
The same question at a different strike, deadline or outcome — related, not the same contract. Prices are the latest YES.