TOTAL VOLUME:
$154.8b
24H VOL:
$277,138,640
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,905,404,943
412,077
Markets across
39,838
events
MATCHED EVENTS:
4,526
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 16, 2:06 AM EST
Polymarket
This market refers to the tennis match between Vivian Wolff and Arina Bulatova in the W35 Redding, CA, Main Draw, originally scheduled for October 15, 2026 at 6:30PM ET. This market will resolve to 'Vivian Wolff' if Vivian Wolff advances against Arina Bulatova. This market will resolve to 'Arina Bulatova' if Arina Bulatova advances against Vivian Wolff. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 29, 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 Vivian Wolff and Arina Bulatova in the W35 Redding, CA, Main Draw, originally scheduled for October 15, 2026 at 6:30PM ET. This market will resolve to 'Vivian Wolff' if Vivian Wolff advances against Arina Bulatova. This market will resolve to 'Arina Bulatova' if Arina Bulatova advances against Vivian Wolff. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 29, 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 differing from those set by sportsbooks. Sportsbooks typically set odds to maximize profit, factoring in a margin for themselves, while this market relies on participants directly assessing probabilities. If sportsbook odds suggest a clear favorite, it will be interesting to see if this market agrees, or if traders believe the sportsbook is mispricing the event. Discrepancies can arise due to differing information, analytical approaches, or simply varying levels of confidence in a particular outcome.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and express their views, the prices adjust to reflect the aggregated sentiment. The market's efficiency depends on the volume of trading and the diversity of opinions represented among the participants.
This market resolves around Oct 22, 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 Wolff vs Bulatova match, as determined by the governing body for the sport. The platform will identify the winner of the match, and that result will be used to determine which shares pay out. It’s important to note that the resolution process relies on publicly available information to ensure a fair and transparent outcome.
Several factors could influence the price movement of this market before Oct 22, 2026. News regarding player form, injuries, or changes in coaching strategies could all impact trader sentiment. Unexpected announcements about the match schedule or venue could also cause fluctuations. Furthermore, any significant shifts in public opinion, perhaps reflected in polls or expert analysis, might lead traders to reassess their positions. Ultimately, any information that alters the perceived probability of either athlete winning will likely move the market.