TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 22, 3:05 AM EST
Kalshi
Boris Sarritzu and Samuele Seghetti compete in a professional tennis match at the 2026 M15 Bergamo tournament during the Round of 32. The winner of this head-to-head match will be determined once play begins.
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 the match 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 markets and sportsbooks price events through different mechanisms. Sportsbooks set odds based on their internal models and risk management, then adjust them to balance action and protect their margins. Prediction markets, by contrast, derive prices from continuous trading among participants who buy and sell shares tied to outcomes. This market aggregates trader beliefs in real time, often reflecting breaking news and shifting sentiment faster than traditional sportsbooks. Both venues can diverge significantly, making comparison useful for identifying where consensus differs most sharply.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares representing each 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 most recent trade and the depth of buy and sell orders at various levels. As new information surfaces or trader sentiment shifts, the bid-ask spread widens or tightens, and prices move to equilibrate supply and demand. This continuous price discovery process ensures the market reflects current expectations about the bout's result.
This market resolves around Jun 22, 2026, once the event concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official result of the bout, ensuring all participants have access to the same authoritative information. Resolution typically occurs within hours of the final bell, allowing traders to settle their positions promptly. Until that point, prices may continue to fluctuate as new developments or expert commentary influence market sentiment.
Several catalysts could shift prices significantly before resolution. Fighter training updates, injury reports, or weight-cut complications may alter perceptions of readiness and performance. Media commentary, expert predictions, and social sentiment can sway trader positioning. Weigh-in results and any last-minute rule changes or venue adjustments could also trigger repricing. Additionally, historical matchup analysis or newly released footage of either fighter's recent sparring sessions might prompt traders to reassess their positions, causing sharp moves in the odds.