TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 31, 7:05 PM EST
Kalshi
These markets will resolve if the fight between Julian Erosa and Jung-Young Lee concludes before the start of Round 2 or Round 3, indicating a swift end to the contest.
Markets resolve if the fight ends before the commencement of Round 2 or Round 3. The event must be the Julian Erosa vs Jung-Young Lee UFC Fight Night fight scheduled for October 31, 2026.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from initial sportsbook lines which may be influenced by factors like public perception or house biases. Sportsbooks set initial odds to balance betting action, whereas this market is driven purely by individuals willing to put their capital behind their beliefs about the fight's outcome. Over time, the odds on Kalshi may converge with sportsbook odds as more information emerges and both markets incorporate new data, but discrepancies can still occur due to differing participant motivations and information access.
On Kalshi, this market is priced through a continuous double auction, meaning traders buy and sell contracts representing different outcomes of the Erosa vs Lee fight. The price of each contract reflects the market’s probability of that outcome occurring. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and express their views, the prices adjust to reflect the collective assessment of the fight’s potential results. Higher volume generally indicates greater confidence in the reflected probability, while significant price swings can signal new information or changing sentiment.
This market resolves around Nov 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Erosa vs Lee fight as declared by the relevant sanctioning body. The market will determine whether the fight ends before round 2, as defined by the market contract. Traders will then be paid out or have their funds returned based on whether their predictions aligned with the official result.
Several factors could influence this market before Nov 1, 2026. Any news regarding injuries to either fighter, changes in their training regimens, or updates on their physical condition would likely cause price movements. Pre-fight press conferences, weigh-in results, and analysis from MMA experts could also shift trader sentiment. Unexpected betting patterns in sportsbooks, or even social media buzz surrounding the fight, could also contribute to changes in volume and pricing on Kalshi. Ultimately, any information that alters the perceived probability of either fighter winning will impact the market.