TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 5:30 AM EST
Polymarket
This market refers to the tennis match between Virginia Proietti and Karla Bartel in the ITF Women Monastir, originally scheduled for July 8, 2026 at 5:30AM ET. This market will resolve to 'Virginia Proietti' if Virginia Proietti advances against Karla Bartel. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Virginia Proietti. 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 Virginia Proietti and Karla Bartel in the ITF Women Monastir, originally scheduled for July 8, 2026 at 5:30AM ET. This market will resolve to 'Virginia Proietti' if Virginia Proietti advances against Karla Bartel. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Virginia Proietti. 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 odds to balance their book and lock in profit margins, while prediction markets are driven purely by trader behavior and belief. This market aggregates the views of many independent traders with real money at stake, which can reveal consensus expectations that differ from traditional betting lines. Comparing the two can highlight where professional bettors and casual traders disagree, offering insight into which side may be undervalued or overconfident.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one potential result, and the price of each outcome is determined by the ratio of shares held in the liquidity pool. As traders place orders, the pool rebalances and prices adjust to reflect new information and shifting expectations. This mechanism ensures continuous pricing and allows participants to enter or exit positions at transparent, market-driven rates throughout the trading window.
This market resolves around Jul 15, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—which player wins the ITF Monastir event. Resolution occurs after the event is complete and the winner is publicly announced by the tournament organizers or recognized sports data providers. Traders should monitor the match schedule and official sources to anticipate the resolution window.
Market prices may shift based on player news, recent form, injury updates, or head-to-head history between Proietti and Bartel. Tournament draws, court conditions, and surface preferences can also influence trader sentiment. Betting activity from informed participants—such as professional analysts or those with insider knowledge of player fitness—often triggers repricing. Media coverage, odds movements at traditional sportsbooks, and any last-minute changes to the match schedule or venue could accelerate volatility in this market as traders recalibrate their expectations.