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 21, 5:00 AM EST
Polymarket
This market refers to the doubles tennis match between Lee/Ye and Monnet/Sakellaridi in the Athens Open, originally scheduled for July 14, 2026 at 5:00AM ET. This market will resolve to 'Lee/Ye' if the team of Lee/Ye advances against Monnet/Sakellaridi. This market will resolve to 'Monnet/Sakellaridi' if the team of Monnet/Sakellaridi advances against Lee/Ye. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Lee/Ye and Monnet/Sakellaridi in the Athens Open, originally scheduled for July 14, 2026 at 5:00AM ET. This market will resolve to 'Lee/Ye' if the team of Lee/Ye advances against Monnet/Sakellaridi. This market will resolve to 'Monnet/Sakellaridi' if the team of Monnet/Sakellaridi advances against Lee/Ye. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders who profit or lose based on accuracy. This market may show different implied probabilities than traditional sports betting venues, especially if one venue has sharper information flow or different liquidity. Comparing the two can reveal where consensus is strongest.
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. Traders buy and sell shares corresponding to each outcome, and the price of each share reflects the collective assessment of that outcome's likelihood. As new bets flow in, the price adjusts instantly, so the current odds always represent the marginal trader's view of the match result.
This market resolves around Jul 21, 2026, once the Athens Open doubles final is completed and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—which pair wins the tournament. Until that point, traders can continue to buy and sell shares as odds shift with any news, injuries, or momentum changes leading up to the event.
Several factors could shift odds before the final. Injury reports or withdrawal announcements involving any of the four players would trigger sharp repricing. Recent tournament results, head-to-head records, and court conditions at the venue may also influence trader sentiment. Media coverage highlighting one pair's form or chemistry could sway the market. Closer to Jul 21, 2026, weather forecasts and last-minute lineup changes would likely drive significant volume and price movement.