TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 8, 2:59 PM EST
Polymarket
This market refers to the tennis match between Roberto Carballes Baena and Alexander Ritschard in the Seville, originally scheduled for September 8, 2026 at 12:00PM ET. This market will resolve to 'Roberto Carballes Baena' if Roberto Carballes Baena advances against Alexander Ritschard. This market will resolve to 'Alexander Ritschard' if Alexander Ritschard advances against Roberto Carballes Baena. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 Roberto Carballes Baena and Alexander Ritschard in the Seville, originally scheduled for September 8, 2026 at 12:00PM ET. This market will resolve to 'Roberto Carballes Baena' if Roberto Carballes Baena advances against Alexander Ritschard. This market will resolve to 'Alexander Ritschard' if Alexander Ritschard advances against Roberto Carballes Baena. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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.
Prediction market odds often reflect the wisdom of the crowd, and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. If a large number of informed bettors believe a sportsbook is mispricing the match, they can take the opposite position in this market, driving the odds closer to their assessment. It’s common to see discrepancies, especially early in the betting cycle, as information becomes more widely available.
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 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, the price adjusts to reflect the collective view. The market's price isn't determined by a central authority, but rather by the supply and demand of shares, making it a dynamic representation of public opinion about the Carballes Baena vs Ritschard match.
This market resolves around Sep 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Carballes Baena vs Ritschard match as reported by a recognized tennis authority. The market will determine which player won the match, and shares will pay out accordingly to those who correctly predicted the winner. It’s important to note that the official result is the sole determinant of the outcome.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions (like court surface or weather), or even significant shifts in public perception could trigger movement. Unexpected results in other matches involving these players, or even broader trends in tennis performance, might also impact trading. Major upsets in related tournaments or compelling analysis from tennis experts could all contribute to changes in the price of shares before Sep 15, 2026.