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 21, 12:30 PM EST
Polymarket
This market refers to the tennis match between Vitoria Zuccon and Carolina Bohrer Martins in the ITF Women Sao Paulo, originally scheduled for July 14, 2026 at 12:30PM ET. This market will resolve to 'Vitoria Zuccon' if Vitoria Zuccon advances against Carolina Bohrer Martins. This market will resolve to 'Carolina Bohrer Martins' if Carolina Bohrer Martins advances against Vitoria Zuccon. 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 Vitoria Zuccon and Carolina Bohrer Martins in the ITF Women Sao Paulo, originally scheduled for July 14, 2026 at 12:30PM ET. This market will resolve to 'Vitoria Zuccon' if Vitoria Zuccon advances against Carolina Bohrer Martins. This market will resolve to 'Carolina Bohrer Martins' if Carolina Bohrer Martins advances against Vitoria Zuccon. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven purely by trader belief and capital allocation. In this market, you may notice prediction odds lead or lag behind traditional betting lines depending on which venue attracts more informed participants. Comparing the two can reveal arbitrage opportunities or signal where smart money is positioning itself ahead of the match.
On Polymarket, this market is priced through an automated market maker that calculates odds based on the ratio of shares held for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing their belief in a player's victory, and the price adjusts dynamically as the pool of capital shifts. Higher trading volume typically narrows spreads and improves price accuracy, while lower volume can create wider bid-ask gaps. The continuous pricing mechanism ensures transparent, real-time discovery of the true implied probability.
This market resolves around Jul 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner is determined by the official match result as recorded by the ITF and major tennis databases. Once the match concludes and the result is finalized, the market will settle automatically, paying out shares for the correct outcome and expiring shares for the incorrect one. Traders should monitor official sources in the days leading up to the end date for any scheduling changes or postponements.
Several factors can shift odds significantly before the match begins. Recent player form, head-to-head records, and injury reports are primary catalysts that traders monitor closely. Court surface conditions, weather forecasts, and tournament draw positioning can also influence confidence in each outcome. News about player fitness, coaching changes, or unexpected withdrawals may trigger sharp moves in the market. Additionally, if one player's odds drift significantly on sportsbooks or other prediction venues, informed traders often react quickly, creating momentum in this market as well.