TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 9:30 AM EST
Polymarket
This market refers to the tennis match between Veronika Erjavec and Victoria Bosio in the Kitzbuehel, originally scheduled for July 13, 2026 at 9:30AM ET. This market will resolve to 'Veronika Erjavec' if Veronika Erjavec advances against Victoria Bosio. This market will resolve to 'Victoria Bosio' if Victoria Bosio advances against Veronika Erjavec. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Veronika Erjavec and Victoria Bosio in the Kitzbuehel, originally scheduled for July 13, 2026 at 9:30AM ET. This market will resolve to 'Veronika Erjavec' if Veronika Erjavec advances against Victoria Bosio. This market will resolve to 'Victoria Bosio' if Victoria Bosio advances against Veronika Erjavec. 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 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 protect their margin, while prediction markets are driven by trader consensus and real-money risk. This market aggregates the views of many independent traders rather than a single bookmaker's model. Comparing the two can reveal where public opinion differs from professional oddsmakers, though both are valid signals. Prediction markets tend to update faster on breaking news, whereas sportsbooks may lag slightly before adjusting their lines.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the current price reflects the cumulative bets placed by all participants. As more traders buy or sell a particular outcome, the price adjusts automatically to balance supply and demand. This mechanism ensures liquidity and allows you to enter or exit positions at transparent, market-determined rates without relying on a counterparty to accept your trade.
This market resolves around Jul 20, 2026, once the tennis match concludes and the winner is verified against credible public sources. The outcome is determined by which player wins the match in Kitzbuehel. No ambiguity exists in tennis match results—the player who wins the required number of sets is declared the victor. Resolution typically occurs within hours of the final point, allowing traders to settle their positions promptly. Early resolution is possible if one player withdraws or the match is officially cancelled before completion.
Several factors can shift odds before the match begins. Injury reports or player withdrawals would trigger sharp repricing, as would recent tournament results or head-to-head records becoming public. Changes in court conditions, weather forecasts, or official seeding announcements may also influence trader positioning. Social media momentum or analyst commentary can sway sentiment, especially if a notable prediction or upset prediction gains traction. Closer to the event, late-breaking news about player form, coaching changes, or equipment issues could prompt rapid trading activity and significant odds movement.