TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 16, 6:51 AM EST
Polymarket
This market refers to the tennis match between Mariia Masiianskaia and Matilde Mariani in the W15 Monastir, Main Draw, originally scheduled for September 16, 2026 at 4:30AM ET. This market will resolve to 'Mariia Masiianskaia' if Mariia Masiianskaia advances against Matilde Mariani. This market will resolve to 'Matilde Mariani' if Matilde Mariani advances against Mariia Masiianskaia. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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 Mariia Masiianskaia and Matilde Mariani in the W15 Monastir, Main Draw, originally scheduled for September 16, 2026 at 4:30AM ET. This market will resolve to 'Mariia Masiianskaia' if Mariia Masiianskaia advances against Matilde Mariani. This market will resolve to 'Matilde Mariani' if Matilde Mariani advances against Mariia Masiianskaia. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each outcome. The price of a share directly reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who believe a particular player will win, the higher the price of shares representing that player's victory will climb. This dynamic pricing ensures the market reflects the collective intelligence of those trading.
This market resolves around Sep 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W15 Monastir tennis match between Mariia Masiianskaia and Matilde Mariani. The platform will verify the winner based on publicly available results from official tennis sources, ensuring an accurate and transparent resolution process. Traders will then be able to claim their winnings based on the final outcome.
Several factors could influence the trading activity in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift the odds. Unexpected upsets in other matches within the tournament could also impact confidence in certain players. Furthermore, large trading volume from informed traders could signal a shift in sentiment and cause the market to move. Monitoring tennis news and analyzing player statistics are key to understanding potential catalysts for movement in this market.