TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 3:00 AM EST
Polymarket
This market refers to the doubles tennis match between Zaar/Zimmermann and Gavrila/Prisacariu in the Iasi Open, originally scheduled for July 14, 2026 at 3:00AM ET. This market will resolve to 'Zaar/Zimmermann' if the team of Zaar/Zimmermann advances against Gavrila/Prisacariu. This market will resolve to 'Gavrila/Prisacariu' if the team of Gavrila/Prisacariu advances against Zaar/Zimmermann. 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 Zaar/Zimmermann and Gavrila/Prisacariu in the Iasi Open, originally scheduled for July 14, 2026 at 3:00AM ET. This market will resolve to 'Zaar/Zimmermann' if the team of Zaar/Zimmermann advances against Gavrila/Prisacariu. This market will resolve to 'Gavrila/Prisacariu' if the team of Gavrila/Prisacariu advances against Zaar/Zimmermann. 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 operate under different incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets reflect pure trader conviction without a built-in house edge. For this market, prediction market prices may move faster in response to breaking news, injury reports, or lineup changes, since traders profit directly from accuracy. Sportsbook odds tend to be more conservative and slower to shift. Comparing the two can reveal where smart money sees value, though both should inform your view rather than replace independent analysis.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome is represented as a tradable share, and the price of each share reflects the collective belief in that outcome's likelihood. As traders buy shares in one outcome, its price rises and the competing outcome's price falls, creating a dynamic equilibrium. The current odds reflect the latest consensus, and any new information—such as player form, recent results, or court conditions—can shift prices rapidly as traders adjust their positions.
This market resolves around Jul 21, 2026, once the doubles match concludes and the result is verified against credible public sources. The outcome is determined by which pair wins the match according to official tournament records. Until that point, prices will fluctuate as traders weigh available information and adjust their bets. Early trading may reflect seeding, recent form, head-to-head records, and surface preference, while late trading often incorporates real-time match developments if live betting is active.
Several catalysts could shift prices before resolution. Injury announcements or withdrawal news involving any of the four players would trigger sharp repricing. Recent tournament results, especially from warm-up events or the same venue, often move odds as traders update form assessments. Changes in seeding or bracket position, if applicable, can also influence sentiment. Court surface conditions and weather forecasts matter for doubles play. Media reports on player chemistry, coaching changes, or tactical adjustments may sway traders. Finally, live match developments—early set results, momentum shifts, or momentum swings—typically drive the most dramatic price moves in the final hours before resolution.