Will Trump attend UFC 331?

KalshiPolymarket ✓ Verified same-resolution Closes Sep 19, 2026

LIVE PRICES — YES

4¢ last

	Bid	Ask
YES	3¢	5¢
NO	95¢	97¢

$192,621 volume

PolymarketBEST YES PRICETrade ↗

4¢ last

	Bid	Ask
YES	2¢	4¢
NO	97¢	98¢

$11,881 volume

Cross-venue spread 0.5¢

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30-DAY PRICE HISTORY

HOW THIS RESOLVES

Kalshi — primary rule

If Donald Trump attends UFC 331, then the market resolves to Yes.

Polymarket — resolution criteria

The UFC 331 event is scheduled for September 19, 2026. This market will resolve to "Yes" if Donald Trump attends UFC 331. Otherwise, this market will resolve to "No". If the event is canceled or postponed beyond September 26, 2026, 11:59 PM ET, this market will resolve to "No". Attending the event is defined as being in physical attendance during any part of the event. The resolution source will be a consensus of credible reporting.

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STATS

Cross-venue spread0.5¢

Kalshi last4¢

Polymarket last4¢

Venues2

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