TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 28, 11:59 AM EST
Polymarket
This market refers to the tennis match between Berta Bonardi and Tinatini Mtvarelishvili in the W75 Quinta do Lago, Qualifying, originally scheduled for September 28, 2026 at 7:00AM ET. This market will resolve to 'Berta Bonardi' if Berta Bonardi advances against Tinatini Mtvarelishvili. This market will resolve to 'Tinatini Mtvarelishvili' if Tinatini Mtvarelishvili advances against Berta Bonardi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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 Berta Bonardi and Tinatini Mtvarelishvili in the W75 Quinta do Lago, Qualifying, originally scheduled for September 28, 2026 at 7:00AM ET. This market will resolve to 'Berta Bonardi' if Berta Bonardi advances against Tinatini Mtvarelishvili. This market will resolve to 'Tinatini Mtvarelishvili' if Tinatini Mtvarelishvili advances against Berta Bonardi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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 collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market incorporates a broader range of information and opinions. It’s common to see discrepancies between the two, especially early in the market’s lifecycle, as prediction markets can react more quickly to new information or shifts in sentiment. Comparing the two can provide a more comprehensive view of the likely outcome of the match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each player winning. The price of a share directly corresponds to the implied probability of that outcome. As more people buy shares in a particular player, the price increases, reflecting growing confidence in their victory. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand, meaning it reflects the aggregated predictions of all participants trading on the platform.
This market resolves around Oct 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the W75 Quinta do Lago tennis match between Berta Bonardi and Tinatini Mtvarelishvili. The player who wins the match, as declared by the official tournament organizers, will be considered the winning outcome for this market. Any potential disputes will be resolved based on the official tournament records and rulings.
Several factors could influence the trading activity in this market before resolution. News regarding player injuries, changes in playing conditions (like weather), or updates on their recent performance could all shift trader sentiment. Unexpected results in other matches involving these players, or even broader trends in the world of professional tennis, could also impact the odds. Any significant information that alters the perceived probability of either player winning is likely to cause movement in this market, as traders adjust their positions accordingly.