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 24, 4:00 AM EST
Polymarket
This market tracks whether the Swiss Open tennis match between Juan Manuel Cerundolo and Casper Ruud will go over or under 2.5 total sets. On Polymarket, the over 2.5 sets outcome is priced at 100.0%. Resolution will be determined by the ATP Tour official scoring records. The match was originally scheduled for July 17, 2026, with final resolution expected by July 24, 2026 when the betting window closes.
This market refers to the tennis match between Juan Manuel Cerundolo and Casper Ruud in the Swiss Open, originally scheduled for July 17, 2026 at 4:00AM ET. This market will resolve to 'Juan Manuel Cerundolo' if Juan Manuel Cerundolo advances against Casper Ruud. This market will resolve to 'Casper Ruud' if Casper Ruud advances against Juan Manuel Cerundolo. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds and traditional 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 aggregate the beliefs of traders risking real capital. For this match, comparing the implied probability on a prediction platform to the moneyline or spread offered by a major sportsbook can reveal where professional and retail traders disagree on the likely winner.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade against a liquidity pool, and the ratio of shares determines the odds you see displayed. As more traders buy or sell a particular outcome, the price adjusts instantly to reflect the new balance, ensuring the market continuously reflects the collective forecast of all active participants.
This market resolves around Jul 24, 2026, once the Swiss Open match between the two players concludes and the result is verifiable from credible public reporting. The outcome is determined by the official tournament records and match result, which are cross-checked against established sports data sources to confirm accuracy before the market settles. Traders should monitor the event schedule and official announcements to stay informed of any scheduling changes.
Market prices may shift based on recent player form, head-to-head records, court surface performance, and injury updates leading up to the Swiss Open. Tournament draws, seeding announcements, and warm-up match results can also influence trader sentiment. Additionally, broader factors like player ranking changes, coaching staff news, or public betting trends reported by major sportsbooks may prompt repricing as new information becomes available and traders adjust their positions.