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UFC 331: Patricio Pitbull vs. Dooho Choi (Featherweight, Main Card)

Post

KalshiPolymarket ✓ Verified same-resolution Closes Sep 20, 2026

MarketMaster fair value32¢ vs live 31¢ on Kalshi

1.3% against the midpoint, 0.8% against the 31¢ ask you would actually pay, -0.7% after the 1.50¢ taker fee.

No edge after fees

Trade on Kalshi ↗

LIVE PRICES — YES

KalshiBEST YES PRICETrade ↗

31¢ last

	Bid	Ask
YES	30¢	31¢
NO	69¢	70¢

$6,750 volume

PolymarketTrade ↗

33¢ last

	Bid	Ask
YES	31¢	33¢
NO	67¢	69¢

$4,914 volume

Cross-venue spread 2.0¢· active arbitrage window

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30-DAY PRICE HISTORY

HOW THIS RESOLVES

Kalshi — primary rule

If Patricio Pitbull wins the Pitbull vs Choi professional MMA fight originally scheduled for Sep 19, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

This market will resolve to "Patricio Pitbull" if Patricio Pitbull is officially declared the winner of the fight against Dooho Choi at UFC 331: Van vs. Pantoja 2, scheduled for September 19, 2026. It will resolve to "Dooho Choi" if Dooho Choi is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond October 3, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.

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STATS

Cross-venue spread2.0¢

Kalshi last31¢

Polymarket last33¢

Model fair value32¢

Model confidence33%

Venues2

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