TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 12, 2:39 PM EST
Kalshi
This market tracks whether the UFC fight between JJ Aldrich and Regina Tarin at Noche UFC will go over or under 0.5 rounds. Currently, the consensus probability of “O/U 0.5 Rounds” occurring is 99.6%. This prediction is an aggregation of views from Polymarket and Kalshi, and will be resolved using Official UFC information, such as data from UFC.com. Keep an eye on the fight itself, as the market will resolve based on the official result declared by the UFC on or before September 13, 2026, which is the estimated resolution date.
This market will resolve to "JJ Aldrich" if JJ Aldrich is officially declared the winner of the fight against Regina Tarin at Noche UFC: Silva vs. Delgado, scheduled for September 12, 2026. It will resolve to "Regina Tarin" if Regina Tarin 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 Jj Aldrich wins the Aldrich vs Tarin professional MMA fight originally scheduled for Sep 12, 2026, then the market resolves to Yes. If Regina Tarin wins the Aldrich vs Tarin professional MMA fight originally scheduled for Sep 12, 2026, then the market resolves to Yes.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Prices on Polymarket and Kalshi can differ due to several factors. Each platform has its own user base with varying levels of expertise and information, leading to different interpretations of the fight’s potential. Trading volume also plays a role; higher volume on one platform can indicate stronger conviction in a particular outcome. Additionally, the specific market types offered—for example, Over/Under rounds versus a straight win—can attract different traders and influence pricing. These dynamics create independent price discovery processes on each platform.
Several factors could influence trading activity and shift the odds in this market. Any news regarding injuries to either fighter, changes in their training regimens, or even pre-fight press conference statements could impact predictions. Significant shifts in public sentiment, perhaps driven by social media discussions or expert analysis, could also move the market. Unexpected betting activity on Polymarket or Kalshi could also serve as a signal, indicating new information or a change in trader conviction regarding the Aldrich vs. Tarin fight.