TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 29, 6:30 PM EST
Polymarket
This market refers to the tennis match between Andres Santamarta Roig and Noah Johnston in the M25 Las Vegas, NV, Main Draw, originally scheduled for October 29, 2026 at 1:00PM ET. This market will resolve to 'Andres Santamarta Roig' if Andres Santamarta Roig advances against Noah Johnston. This market will resolve to 'Noah Johnston' if Noah Johnston advances against Andres Santamarta Roig. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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 Andres Santamarta Roig and Noah Johnston in the M25 Las Vegas, NV, Main Draw, originally scheduled for October 29, 2026 at 1:00PM ET. This market will resolve to 'Andres Santamarta Roig' if Andres Santamarta Roig advances against Noah Johnston. This market will resolve to 'Noah Johnston' if Noah Johnston advances against Andres Santamarta Roig. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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.
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 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. As more traders participate and new information becomes available, the price adjusts to reflect the evolving consensus. The market’s price is determined solely by supply and demand for shares, and no external factors influence the pricing process on Polymarket.
This market resolves around Nov 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 Santamarta Roig vs Johnston match, as reported by the relevant governing body or official sources. 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 paid out based on their holdings in the winning outcome share.
Several signals or events could significantly impact this market. Any news regarding the players’ form, injuries, or changes in strategy could influence trader sentiment. Unexpected announcements about the match conditions, such as venue changes or weather forecasts, could also cause shifts in the odds. Furthermore, large trading volume from informed traders or significant media coverage could also move the market. Public opinion and expert analysis, while not directly reflected in the market, could indirectly influence trader behavior and therefore the price of shares in this market.