TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 23, 3:23 PM EST
Polymarket
This market refers to the tennis match between Alec Deckers and Oliver Ojakaar in the M15 Ithaca, Main Draw, originally scheduled for October 23, 2026 at 11:00AM ET. This market will resolve to 'Alec Deckers' if Alec Deckers advances against Oliver Ojakaar. This market will resolve to 'Oliver Ojakaar' if Oliver Ojakaar advances against Alec Deckers. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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 Alec Deckers and Oliver Ojakaar in the M15 Ithaca, Main Draw, originally scheduled for October 23, 2026 at 11:00AM ET. This market will resolve to 'Alec Deckers' if Alec Deckers advances against Oliver Ojakaar. This market will resolve to 'Oliver Ojakaar' if Oliver Ojakaar advances against Alec Deckers. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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.
Generally, prediction market odds tend to reflect a wisdom-of-the-crowd perspective, often differing from initial sportsbook offerings. Sportsbooks set lines to balance action and incorporate a profit margin, while this market aggregates the beliefs of many individual traders. Over time, prediction market prices can become more accurate than sportsbook odds, especially as more information becomes available and trading volume increases. However, sportsbook odds can sometimes move faster to incorporate breaking news, while this market relies on traders reacting to that news. It's useful to compare both to form a well-rounded view.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the implied probability of that outcome occurring. As more traders participate, the price converges towards what the crowd believes is the true probability. 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 for shares; there are no external factors influencing the pricing mechanism on Polymarket. Traders are incentivized to provide accurate predictions, as profitable trades reward correct assessments.
This market resolves around Oct 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results of the Ithaca M15 match, as reported by a recognized tennis authority. The platform will verify the outcome against these sources to determine which outcome corresponds to the actual result of the match. Traders will then be able to claim their winnings or adjust their positions based on the verified outcome of the Ithaca M15 match.
Several factors could influence trading activity and move this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact the perceived probabilities. Unexpected upsets in other matches involving these players, or broader shifts in tennis rankings, could also cause price adjustments. Furthermore, large trading volume from informed traders could signal new information or a change in sentiment. Monitoring news sources and observing trading patterns on Polymarket will be key to understanding potential market movements before Oct 30, 2026.