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: Jun 22, 3:26 PM EST
Kalshi
Nathan Walters and Carlos Diaz Ruiz compete in a professional tennis match at the 2026 M25 Tanger tournament during the Round of 32. The winner of this match will be determined by standard tennis competition rules.
Resolution requires that a ball be played in the match. If the match does not occur before play begins due to injury, walkover, forfeiture, or other cancellation, all markets resolve to $0.50. If a player withdraws or forfeits after play has started, that player's market resolves to No. If the match is postponed or delayed, markets remain open and resolve after the rescheduled match concludes within two weeks.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by traders risking real capital on their beliefs about the outcome. This market aggregates the collective judgment of those traders, which can sometimes differ meaningfully from traditional betting lines. Comparing the two can reveal where the broader market sees edge or disagreement relative to professional oddsmakers.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares representing each fighter's chances of victory. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the marginal trade—the last transaction executed—and converges toward the true probability as more information and capital flow into the market. Wider bid-ask spreads typically indicate lower liquidity or higher uncertainty, while tighter spreads suggest strong consensus and active trading.
This market resolves around Jun 23, 2026, after the fight concludes and the result is verified against credible public sources. The outcome is determined by the official decision announced by the boxing commission or sanctioning body overseeing the bout. Once the winner is confirmed through standard reporting channels, the market settles accordingly, with shares for the winning fighter redeemed at full value and losing shares expiring worthless.
Several factors can shift odds before the fight takes place. Injury announcements, training camp reports, or changes in fighter availability will trigger sharp repricing as traders reassess win probabilities. Media coverage, expert analysis, and public sentiment shifts can also influence trading activity. Weigh-in results, last-minute rule changes, or venue adjustments may prompt additional movement. As the event date draws closer, any credible news about either competitor's condition or preparation typically generates volatility in this market.