TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 22, 5:52 PM EST
Polymarket
This market refers to the tennis match between Alexandra Cheishvili and Marija Semenistaja in the W15 Monastir, Qualifying, originally scheduled for September 22, 2026 at 5:30AM ET. This market will resolve to 'Alexandra Cheishvili' if Alexandra Cheishvili advances against Marija Semenistaja. This market will resolve to 'Marija Semenistaja' if Marija Semenistaja advances against Alexandra Cheishvili. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 2026, 11:59 PM ET (14 days after the scheduled start), 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 Alexandra Cheishvili and Marija Semenistaja in the W15 Monastir, Qualifying, originally scheduled for September 22, 2026 at 5:30AM ET. This market will resolve to 'Alexandra Cheishvili' if Alexandra Cheishvili advances against Marija Semenistaja. This market will resolve to 'Marija Semenistaja' if Marija Semenistaja advances against Alexandra Cheishvili. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 2026, 11:59 PM ET (14 days after the scheduled start), 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 often reflect the wisdom of the crowd, and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. If a significant number of people believe a sportsbook is mispricing an outcome, they can trade on Polymarket to capitalize on the discrepancy. This can lead to prediction market odds being more accurate, or at least representing a different perspective than those found at traditional sportsbooks. It's a fascinating comparison to consider when evaluating the potential result.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in whether a particular outcome will occur. As more shares are bought for a specific outcome, its price increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share represents the probability of that outcome happening, and traders aim to profit by accurately predicting the event's result. The current price reflects the collective intelligence of all participants trading on the platform, making it a dynamic and informative indicator.
This market resolves around Sep 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official result of the W15 Monastir tennis match between Alexandra Cheishvili and Marija Semenistaja. The platform will look to established tennis authorities to confirm the winner, and shares will be settled accordingly. Traders should monitor official sources for the final result to understand when and how this market will be finalized.
Several factors could influence the trading activity in this market. Any news regarding the players’ form, potential injuries, or changes in playing conditions could shift the odds. Unexpected upsets in other matches involving these players, or broader trends in the W15 Monastir tournament, could also impact trading volume and price. Furthermore, large trades by influential participants on Polymarket can create short-term price movements. Monitoring tennis news and observing trading patterns will be key to understanding potential shifts in this market before resolution.