What is the current probability?

As of the latest cache refresh, the YES contract trades at 47%, implying a 47% chance of YES.

When does this market close?

This market closes on Dec 31, 2026. After close the venue settles the contract based on the official resolution source.

kalshi Sports

Tom Aspinall

Closes Dec 31, 2026 (197d) 24h volume 2.4K Open interest 12.3K Event UFC Heavyweight Title on Dec 31, 2026?

47%

implied YES probability

-14.0pp 24h

Last 14 days · High 60% · Low 25% · 7d -37.5pp

Open on Kalshi

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Prediction market data reflects speculative event probabilities, not guaranteed outcomes. This is not investment advice. See Terms §17.