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 24, 5:00 AM EST
Polymarket
This market refers to the doubles tennis match between Harrison/Neel and Lumsden/Tang in the Athens Open, originally scheduled for July 17, 2026 at 5:00AM ET. This market will resolve to 'Harrison/Neel' if the team of Harrison/Neel advances against Lumsden/Tang. This market will resolve to 'Lumsden/Tang' if the team of Lumsden/Tang advances against Harrison/Neel. 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 Harrison/Neel and Lumsden/Tang in the Athens Open, originally scheduled for July 17, 2026 at 5:00AM ET. This market will resolve to 'Harrison/Neel' if the team of Harrison/Neel advances against Lumsden/Tang. This market will resolve to 'Lumsden/Tang' if the team of Lumsden/Tang advances against Harrison/Neel. 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. Sportsbooks set odds to balance liability and profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show higher or lower implied probabilities than major sportsbooks, depending on whether informed traders on Polymarket have identified mispriced outcomes. Comparing the two can reveal where professional and retail sentiment differ, though both sources provide valuable signals for assessing match likelihood.
On Polymarket, this market is priced through an automated market maker and order-book mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief in that outcome's probability, ranging from near-zero to near-certainty. As new information surfaces—player form, injury reports, or betting patterns—traders adjust their positions, moving prices in real time. The spread between bid and ask prices narrows as volume increases, rewarding active participation and information discovery.
This market resolves around Jul 24, 2026, once the Athens Open doubles final concludes and the result is verifiable from credible public sources. The outcome is determined by which team wins the match—Harrison/Neel or Lumsden/Tang. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. Resolution typically occurs within hours of the final match conclusion, allowing quick settlement and payout distribution to winning participants.
Several catalysts could shift odds before Jul 24, 2026. Player injuries, withdrawal announcements, or last-minute lineup changes would trigger sharp repricing. Recent tournament results, head-to-head records, and court-surface performance data may influence trader positioning as the event approaches. Weather conditions, seeding updates, and betting-market activity on external sportsbooks can also drive volume and price movement. Media coverage highlighting form or momentum swings often prompts traders to reassess probabilities, creating trading opportunities for those monitoring real-time developments.