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 8, 5:00 AM EST
Polymarket
This market refers to the tennis match between Ipek Oz and Vivian Wolff in the ITF Women Stuttgart-Vaihingen, originally scheduled for July 1, 2026 at 5:00AM ET. This market will resolve to 'Ipek Oz' if Ipek Oz advances against Vivian Wolff. This market will resolve to 'Vivian Wolff' if Vivian Wolff advances against Ipek Oz. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Ipek Oz and Vivian Wolff in the ITF Women Stuttgart-Vaihingen, originally scheduled for July 1, 2026 at 5:00AM ET. This market will resolve to 'Ipek Oz' if Ipek Oz advances against Vivian Wolff. This market will resolve to 'Vivian Wolff' if Vivian Wolff advances against Ipek Oz. 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 International Tennis Federation (ITF). 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 risking real capital on outcomes. This market may show different implied probabilities than traditional sports betting sites, offering traders an alternative view of the match. Comparing the two can reveal where consensus differs and highlight potential value opportunities.
On Polymarket, traders set prices through an automated market maker mechanism, where buying or selling shares shifts the odds in real time based on supply and demand. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current market reflects the collective assessment of all participants, with each trade updating the implied probability. As match details, player form, or other relevant information becomes public, traders adjust their positions, causing the price to move accordingly and keeping the market responsive to new developments.
This market resolves around Jul 8, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result, with no ambiguity about which player won. Until that point, traders can continue to buy and sell shares as odds fluctuate with changing expectations and real-world developments leading up to the event.
Several factors could shift trader sentiment before resolution. Announcements about player injuries, recent tournament performance, head-to-head records, or changes in seeding can trigger significant price moves. Court conditions, weather forecasts, and any last-minute withdrawals or substitutions would also influence odds. Media coverage highlighting one player's form or momentum, as well as betting patterns from professional traders, can accelerate repricing. Even social media discussion or expert commentary may sway retail traders and cause the market to adjust.