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 19, 12:31 AM EST
Polymarket
This market refers to the tennis match between Viktorija Golubic and Mai Hontama in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Viktorija Golubic' if Viktorija Golubic advances against Mai Hontama. This market will resolve to 'Mai Hontama' if Mai Hontama advances against Viktorija Golubic. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Viktorija Golubic and Mai Hontama in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Viktorija Golubic' if Viktorija Golubic advances against Mai Hontama. This market will resolve to 'Mai Hontama' if Mai Hontama advances against Viktorija Golubic. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from those offered by traditional sportsbooks. Sportsbooks set initial lines based on their own analysis, potentially incorporating biases or aiming to balance their risk. This market, however, is driven by individuals who are incentivized to accurately predict the outcome. If there's a significant discrepancy, arbitrage opportunities may arise, where traders can profit by betting on both platforms. It's common to see prediction markets more accurately reflect true probabilities as the event approaches, especially with substantial volume.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in a particular outcome. The price of a share directly corresponds to 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 market’s price fluctuates based on supply and demand; if more people believe Viktorija Golubic will win, the price of shares representing her victory will increase. Conversely, increased support for Mai Hontama will drive up the price of her shares. This dynamic pricing ensures the market reflects the collective intelligence of the traders.
This market resolves around Oct 26, 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 Japan Women's Open match between Viktorija Golubic and Mai Hontama, as declared by the tournament organizers. The player who wins the match will be the winning outcome for this market. Any potential protests or appeals will be considered only if they result in a change to the officially recorded result of the match.
Several factors could influence the trading activity in this market before the Oct 26, 2026 resolution. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could shift trader sentiment. Unexpected results in other matches leading up to the event might also impact perceived probabilities. Furthermore, significant betting activity from well-informed traders, or even large volume purchases, can cause noticeable price movements. Monitoring tennis news and analyzing player statistics will be key to understanding potential catalysts for change in this market.