TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 10:54 PM EST
Kalshi
This UFC 329 fight between Cory Sandhagen and Mario Bautista on July 11, 2026 will be categorized by when it ends—either before the second round begins or before the third round begins.
If the Cory Sandhagen vs. Mario Bautista 329 fight originally scheduled for Jul 11, 2026 ends before round 2, then the market resolves to Yes. If the Cory Sandhagen vs. Mario Bautista 329 fight originally scheduled for Jul 11, 2026 ends before round 3, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they reflect different mechanisms. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets like this one are priced by traders themselves—meaning odds adjust based on real-time supply and demand. Prediction markets typically offer tighter, more efficient pricing because traders have direct financial incentive to identify mispriced outcomes. Comparing this market's odds to major sportsbooks can reveal where the crowd sees value differently and help you spot potential edges.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit buy and sell orders for shares corresponding to each round outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the balance between buyers and sellers at any given moment. As new information emerges—fighter news, training updates, or betting patterns—traders adjust their orders, and prices move accordingly. This dynamic pricing model ensures the market continuously incorporates the latest expectations about when the fight will finish.
This market resolves around Jul 12, 2026, once the Sandhagen vs. Bautista fight concludes and the result is verified against credible public sources. The outcome is determined by which round the fight actually ends—whether that's round one, round two, round three, or a decision after all three rounds. If the bout goes the full distance without a stoppage, that outcome settles accordingly. Resolution occurs shortly after the event concludes and the official result is confirmed.
Several factors can shift odds in this market before fight day. Fighter injuries or withdrawal announcements would trigger sharp repricing. Training footage, public statements, or coaching changes can signal a shift in perceived fight dynamics. Betting action from sharp bettors or large position moves often precede significant price swings. Weigh-in results, last-minute rule changes, or venue adjustments may also influence trader sentiment. As the fight date approaches, any credible reporting about either fighter's condition or strategy could move the market materially.