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: Jun 23, 11:04 AM EST
Kalshi
This event covers the professional tennis match between Stefanos Tsitsipas and Ignacio Buse at the 2026 ATP Mallorca tournament. Bettors predict whether the total number of games completed in the full match will exceed various thresholds, with longer matches indicating more competitive play.
Resolution is based on the total number of completed games in the full match between Stefanos Tsitsipas and Ignacio Buse at the 2026 ATP Mallorca Round Of 32. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. Postponed or delayed matches remain open until the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot be settled resolve to fair market price at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets like Kalshi aggregate trader beliefs through continuous price discovery. Traders on this market are motivated by profit rather than volume balancing, which can lead to sharper, more efficient pricing over time. However, sportsbooks may react faster to breaking news or injury reports before prediction market prices adjust. Comparing both sources provides a fuller picture of where informed opinion sits on the total games outcome.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares representing different total game outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the last executed trade and the current spread between buy and sell orders. As new information emerges—such as player form, court conditions, or head-to-head history—traders adjust their positions, moving the price up or down. Liquidity and trading volume influence how quickly prices respond to shifts in conviction, so markets with higher participation tend to price outcomes more efficiently.
This market resolves around Jun 22, 2026, once the Tsitsipas vs Buse match concludes and the final game count is verified against credible public sources. The outcome is determined by the total number of games played across all sets in the match. No partial or disputed results affect settlement; only the official final tally matters. Traders holding shares aligned with the actual outcome receive their payout once resolution is confirmed, while opposing positions expire worthless.
Several factors can shift prices on this market before the match begins. Injury updates or fitness concerns for either player may alter expectations about match length and competitiveness. Recent form, head-to-head records, and surface preference (hard court, clay, grass) all influence how traders estimate the likely number of games. Tournament seeding, draw position, and momentum from earlier rounds can signal confidence in either player's ability to win decisively or push to a longer contest. News about playing conditions, weather, or scheduling delays may also prompt repricing as traders reassess the match dynamics.