TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 23, 5:00 AM EST
Polymarket
This market refers to the doubles tennis match between Monnet/Sakellaridi and Jiang/Wu in the Athens Open, originally scheduled for July 16, 2026 at 5:00AM ET. This market will resolve to 'Monnet/Sakellaridi' if the team of Monnet/Sakellaridi advances against Jiang/Wu. This market will resolve to 'Jiang/Wu' if the team of Jiang/Wu advances against Monnet/Sakellaridi. 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 Monnet/Sakellaridi and Jiang/Wu in the Athens Open, originally scheduled for July 16, 2026 at 5:00AM ET. This market will resolve to 'Monnet/Sakellaridi' if the team of Monnet/Sakellaridi advances against Jiang/Wu. This market will resolve to 'Jiang/Wu' if the team of Jiang/Wu advances against Monnet/Sakellaridi. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. On Polymarket, traders stake real capital on outcomes, creating a financial incentive to price accurately. Sportsbooks, by contrast, balance their books to manage risk and extract a margin. For this market, comparing the implied probability from prediction market prices to sportsbook spreads can reveal where one venue sees value the other may have missed. Both sources offer useful signals, but they rarely align perfectly.
On Polymarket, this market is priced through an automated market maker that adjusts odds continuously based on order flow and trading activity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each outcome, and the price of each share reflects the collective belief about the likelihood of that result. As more capital flows into one side, the price of that outcome rises and the opposing outcome falls. This mechanism ensures that prices remain responsive to new information and participant conviction throughout the trading window.
This market resolves around Jul 23, 2026, once the Athens Open doubles final is completed and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result reported by the tournament organizers and major sports news outlets. Until that point, traders can adjust their positions as the event approaches and any relevant developments emerge. Resolution is automatic once the event concludes and the winner is officially announced.
Several factors could shift odds before the final takes place. Injury announcements or withdrawal news involving any of the four players would have immediate impact. Recent tournament performance by either pair, including their semifinal results, typically influences trader sentiment. Changes in head-to-head records or court conditions at the Athens venue may also trigger repricing. Media coverage highlighting form, momentum, or tactical advantages can sway the crowd. Even casual betting patterns from casual participants can create temporary price swings that more sophisticated traders may exploit.