TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 26, 5:55 PM EST
Kalshi
The first market tracks whether John Castaneda secures a victory in the opening round through knockout, technical knockout, submission, or disqualification. This outcome hinges solely on the fight ending decisively in Castaneda's favor within the first three minutes of the bout.
Markets resolve to Yes if John Castaneda wins by KO, TKO, Submission, or Disqualification in Round 1. A technical decision is considered a decision and does not count as a win in any round. The fight must be the John Castaneda vs. Alateng Heili UFC Fight Night event scheduled for Sep 26, 2026.
On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different outcomes of the Castaneda vs. Heili fight. The price of each contract reflects the probability of that outcome occurring, as determined by supply and demand. As more traders buy contracts for a particular outcome, the price increases, indicating a higher perceived probability. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price represents the collective assessment of all traders participating in this market, providing a real-time estimate of the fight's potential results.
This market resolves around Sep 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the John Castaneda vs. Alateng Heili fight, including whether a winner is determined by knockout, technical knockout, decision, or if the fight ends in a draw or no contest. The official result will be sourced from recognized boxing authorities and fight records to ensure an accurate and unbiased determination of the market’s outcome.
Several signals could significantly move this market before Sep 27, 2026. Any news regarding injuries to either fighter, changes in their training regimens, or reports about their physical condition would likely impact trading activity. Public statements from the fighters or their teams, particularly regarding strategy or confidence levels, could also influence the market. Unexpected betting patterns in traditional sportsbooks, or shifts in public sentiment as reflected in social media and news coverage, might also lead to price adjustments in this market. Ultimately, any information that alters the perceived probability of either fighter winning will likely move the market.