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, 9:43 AM EST
Kalshi
This market tracks the outcome of the first set in the professional tennis match between Jan-Lennard Struff and Martin Landaluce at the 2026 ATP Mallorca tournament. One of the two players will win set 1, and the market resolves based on who prevails in that specific set.
The market resolves to Yes for whichever player wins set 1 in the match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If postponed or delayed, the market remains 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 are settled at 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 odds to balance their liability and profit margin, while prediction markets like this one are driven by traders risking real capital on their beliefs. Prediction markets can sometimes offer sharper, more efficient pricing because participants have direct financial exposure to accuracy. However, sportsbooks may occasionally price certain outcomes more competitively due to their scale and risk management. Comparing both sources can reveal where consensus is strongest and where outlier views exist in the market.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell contracts representing each player's chances of winning Set 1. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the collective assessment of all active traders, with bids and asks converging toward an equilibrium that balances supply and demand. As new information surfaces—warm-up results, player statements, or betting patterns—traders adjust their positions, causing prices to move. This dynamic pricing ensures the market remains responsive to changing conditions throughout the pre-match period.
This market resolves around Jun 22, 2026, once the first set of the Struff vs Landaluce match concludes. The outcome is determined by which player wins that set, verified against credible public sources such as official ATP records or major sports news outlets. Once the set result is confirmed and published, the market settles automatically, with winning positions paid out according to their contract value. Traders should monitor the match schedule to ensure they are aware of the exact timing and any potential delays.
Several factors can shift odds in this market before the match begins. Player injury reports or withdrawal announcements would trigger sharp repricing. Recent tournament results, head-to-head records, and current form on the specific surface all influence trader sentiment. Court conditions—such as speed, humidity, or indoor versus outdoor play—can favor one player's style and prompt position adjustments. Pre-match press conferences or warm-up performance leaks may also spark trading activity. Additionally, betting action from sharp bettors or syndicate groups can move prices as they position ahead of the opening set.