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Broncos vs. Chiefs: O/U 43.5

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KalshiPolymarket ✓ Verified same-resolution Closes Sep 15, 2026

MarketMaster fair value51¢ vs live 50¢ on Kalshi

1.3% against the midpoint, 0.8% against the 50¢ ask you would actually pay, -0.9% after the 1.75¢ taker fee.

No edge after fees

Trade on Kalshi ↗

LIVE PRICES — YES

KalshiBEST YES PRICETrade ↗

49¢ last

	Bid	Ask
YES	49¢	50¢
NO	50¢	51¢

$9,699 volume

PolymarketTrade ↗

52¢ last

	Bid	Ask
YES	51¢	52¢
NO	48¢	49¢

$2,984 volume

Cross-venue spread 3.0¢· active arbitrage window

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Where else do the venues disagree?Live cross-venue gaps across every market Open in the analyzerPrice history, alerts and your watchlist

CROSS-VENUE ARBITRAGE

Buy YES on Kalshi and NO on Polymarket — total cost 99¢ per $1 payout, locking +1.0¢ per contract before fees.

Stake $

30-DAY PRICE HISTORY

HOW THIS RESOLVES

Kalshi — primary rule

If Denver and Kansas City collectively score more than 43.5 points in the Denver vs Kansas City Pro Football game originally scheduled for Sep 14, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming NFL game, scheduled for September 14 at 8:15 PM ET: This market will resolve to "Over" if the Broncos and Chiefs combine to score 44 or more points in this game. If the combined total is less than 44, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50.

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STATS

Cross-venue spread3.0¢

Kalshi last49¢

Polymarket last52¢

Model fair value51¢

Model confidence35%

Venues2

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