TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 3:58 PM EST
Polymarket
This market refers to the tennis match between Karue Sell and Alex Rybakov in the San Diego 2, USA, Qualifying, originally scheduled for September 20, 2026 at 2:00PM ET. This market will resolve to 'Karue Sell' if Karue Sell advances against Alex Rybakov. This market will resolve to 'Alex Rybakov' if Alex Rybakov advances against Karue Sell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Karue Sell and Alex Rybakov in the San Diego 2, USA, Qualifying, originally scheduled for September 20, 2026 at 2:00PM ET. This market will resolve to 'Karue Sell' if Karue Sell advances against Alex Rybakov. This market will resolve to 'Alex Rybakov' if Alex Rybakov advances against Karue Sell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 ATP Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect a different kind of wisdom than those found at sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, aiming to profit regardless of the outcome. This market, however, is driven by traders directly expressing their beliefs about the probability of each result. While sportsbooks may initially set odds based on statistical models and expert opinions, prediction markets can dynamically adjust as new information emerges and more traders participate. It's common to see discrepancies between the two, potentially offering opportunities for informed traders.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the probability of a specific outcome. As more shares are purchased for a particular outcome, its price increases, reflecting growing confidence. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share directly corresponds to the implied probability of that outcome occurring. This dynamic pricing ensures that the market reflects the collective intelligence of all participants, constantly updating as new information becomes available and opinions shift regarding the Karue Sell vs Alex Rybakov match.
This market is scheduled to resolve around Sep 27, 2026, once the official results of the Karue Sell vs Alex Rybakov match are available. The outcome will be verified against credible public reporting of the match results. The market will determine which competitor is declared the winner, based on the official outcome. This ensures a transparent and objective resolution process, reflecting the actual result of the event. Traders will then be able to claim their winnings or adjust their strategies for future markets.
Several factors could influence the trading activity and price movement in this market. Any news regarding the players’ form, potential injuries, or changes in their coaching strategies could significantly impact predictions. Unexpected announcements about match conditions, or even significant shifts in public sentiment based on pre-match analysis, could also drive trading volume and price fluctuations. Major upsets in related competitions or surprising performance data released before the match are other signals that traders will likely react to, adjusting their positions and influencing the overall market dynamics.