TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 12, 7:19 PM EST
Kalshi
This market tracks the outcome of the UFC fight between Tommy McMillen and Marwan Rahiki, specifically forecasting which fighter will win. Currently, the consensus probability of Tommy McMillen winning is 68.0%, as aggregated from Polymarket and Kalshi. Resolution will be based on the official result declared by the UFC, as found on sources like UFC.com. Keep an eye on the fight itself, scheduled for resolution on September 13, 2026, as that date marks the end of the betting period and will determine the official outcome.
This market will resolve to "Tommy McMillen" if Tommy McMillen is officially declared the winner of the fight against Marwan Rahiki at Noche UFC: Silva vs. Delgado, scheduled for September 12, 2026. It will resolve to "Marwan Rahiki" if Marwan Rahiki 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 September 26, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.
If Tommy McMillen wins the McMillen vs Rahiki professional MMA fight originally scheduled for Sep 12, 2026, then the market resolves to Yes. If Marwan Rahiki wins the McMillen vs Rahiki professional MMA fight originally scheduled for Sep 12, 2026, then the market resolves to Yes.
Prediction market odds, like those found on Polymarket and Kalshi, often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, while prediction markets allow anyone to trade and express their views. This can lead to discrepancies, especially when public opinion diverges from expert analysis. While sportsbooks may initially set odds based on fighter rankings and statistics, this market can quickly adjust to incorporate new information and changing sentiment as the fight approaches.