TOTAL VOLUME:
$154.4b
24H VOL:
$235,918,089
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,884,820,873
413,109
Markets across
40,428
events
MATCHED EVENTS:
4,364
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Sep 26, 6:08 PM EST
Polymarket
This market will resolve to "Alatengheili" if Alatengheili is officially declared the winner of the fight against John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026. It will resolve to "John Castaneda" if John Castaneda 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 October 10, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.
This market will resolve to "Alatengheili" if Alatengheili is officially declared the winner of the fight against John Castaneda at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026. It will resolve to "John Castaneda" if John Castaneda 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 October 10, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures the market reflects the aggregated sentiment of all participants. The current price reflects what traders are collectively willing to pay for a stake in the predicted result of the Alatengheili vs. Castaneda fight.
This market resolves around Sep 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result declared by the UFC following the completion of the Alatengheili vs. Castaneda fight. The market will determine which fighter is declared the winner, or if the fight ends in a draw or no contest. The platform will then distribute payouts to those who correctly predicted the outcome based on the final, official result.
Several factors could significantly impact this market before the fight on Sep 27, 2026. Any news regarding fighter injuries, changes in weight class, or alterations to the fight card would likely cause price fluctuations. Public statements from either fighter or their coaches, particularly regarding strategy or physical condition, could also influence trader sentiment. Unexpected betting trends in traditional sportsbooks might also be reflected in this market, as traders often consider information from multiple sources. Ultimately, any information that alters the perceived probability of either fighter winning could move the market.