TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 22, 9:15 PM EST
Kalshi
Observers will be keen to determine whether the bout concludes before the second or third round, indicating a swift and possibly dramatic finish. The timing of the fight's end could significantly impact betting markets and fan expectations.
If the Marquel Mederos vs. Mason Jones UFC Fight Night fight originally scheduled for Aug 22, 2026 ends before round 2, then the market resolves to Yes. If the Marquel Mederos vs. Mason Jones UFC Fight Night fight originally scheduled for Aug 22, 2026 ends before round 3, then the market resolves to Yes.
Prediction market odds often differ from traditional sportsbook lines due to trader dynamics and the unique structure of contracts. On Kalshi, odds adjust rapidly based on user bets and new information, which can create divergence from sportsbook prices. For this market, traders may price in factors like fighter form, injury reports, or stylistic matchups more fluidly than sportsbooks, which often rely on fixed odds set by analysts. Monitoring both can reveal shifts in sentiment or value opportunities.
This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official record of how the fight concludes — specifically which round ends with a finish — and will be matched against the market's defined categories. No further interpretation is needed beyond publicly confirmed results, ensuring a clear and transparent resolution process for all participants.
Several signals could shift this market before it settles. Key fight-related news such as injury updates, training camp performance leaks, or changes in betting volumes may influence trader sentiment. Media coverage highlighting tactical advantages or recent performance metrics can also cause price swings. Additionally, broader trends like shifts in public betting patterns or analyst commentary may affect how traders price the likelihood of each possible finish round on Kalshi.