PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedData quality warningStale data
Data as of Sep 1, 2026, 8:40 PM UTC · policy pm-quality-3
Current implied probability
No 92.1%-1.5pt
Market quality
39 / 100
Low quality24h Volume
$82.1
Liquidity
$1.8K
Low liquidityBid / Ask
6.0% / 9.0%
Spread
3.0 pt
Moderate spreadComments
0
7d Change
+1.5 pts
Market data
Updated 2 hours ago
StaleAug 12, 26, 4:39 PMSep 19, 26, 11:59 PM
Trends
Rules
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.
Prediction Source Comparison
3 venues currently price this market. CoinRithm's liquidity-weighted reference probability for CoinRithm reference is 6%. Quotes span about 3 percentage points between the widest venues.
CoinRithm reference 6% · 3 venues · 3 pt venue spread
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Frequently asked questions
- What are the current odds for Will Trump attend UFC 331??
- Polymarket prices No at 92% as of September 1, 2026.
- When does Will Trump attend UFC 331? resolve?
- Will Trump attend UFC 331? is scheduled to resolve on September 19, 2026.
- How is Will Trump attend UFC 331? settled?
- Polymarket settles this market as follows: The UFC 331 event is scheduled for September 19, 2026.
- Where else is Will Trump attend UFC 331? listed?
- The same question is also listed on Limitless, Kalshi.