TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 22, 10:15 PM EST
Kalshi
This event centers on whether the fight between Spivak and Petrino will conclude before the start of Round 2 or Round 3. An early finish would mark a swift and intense battle, impacting both fighters' strategies and the audience's expectations for the match's duration.
If the Sergey Spivak vs. Vitor Petrino UFC Fight Night fight originally scheduled for Aug 22, 2026 ends before round 2, then the market resolves to Yes. If the Sergey Spivak vs. Vitor Petrino UFC Fight Night fight originally scheduled for Aug 22, 2026 ends before round 3, then the market resolves to Yes.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders set prices through a continuous order book where buyers and sellers post their own bids and asks. The current top outcome’s implied probability reflects the highest buy order divided by the lowest sell order. Market depth and recent trades influence price discovery, and volume of $81,030 over the last 24 hours shows how actively participants are engaging with this market. Prices can shift quickly with new fight news or betting trends.
This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by official fight records and widely accepted news sources that confirm whether the match ends in the specified round.
Several signals could shift probabilities in this market before Aug 23, 2026. Key fight-related announcements — such as training updates, injury reports, or changes to fight strategy — may sway trader sentiment. Media coverage highlighting either fighter’s recent performance or pre-fight metrics can also impact pricing. Additionally, overall betting volume spikes around major sports news cycles or promotional events might cause rapid price adjustments as more participants enter or adjust positions.