TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 4:29 PM EST
Polymarket
This market refers to the tennis match between Anna Blinkova and Alina Charaeva in the Sao Paulo Open, originally scheduled for September 18, 2026 at 9:00AM ET. This market will resolve to 'Anna Blinkova' if Anna Blinkova advances against Alina Charaeva. This market will resolve to 'Alina Charaeva' if Alina Charaeva advances against Anna Blinkova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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 Anna Blinkova and Alina Charaeva in the Sao Paulo Open, originally scheduled for September 18, 2026 at 9:00AM ET. This market will resolve to 'Anna Blinkova' if Anna Blinkova advances against Alina Charaeva. This market will resolve to 'Alina Charaeva' if Alina Charaeva advances against Anna Blinkova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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 offer a different perspective than those found at traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, aiming to profit regardless of the outcome. This market, driven by the collective intelligence of traders, aims to reflect the true probability of each outcome. While sportsbooks may initially set odds based on expert analysis, prediction markets can quickly adjust as new information emerges and more people participate. Discrepancies can arise due to differing opinions, information advantages, or simply variations in market participants.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of these shares directly reflects the implied probability of that outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and express their views, the price fluctuates, providing a dynamic assessment of the event's potential results. The market's price is determined solely by supply and demand within Polymarket, and reflects the aggregated predictions of those trading shares.
This market resolves around Sep 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Sao Paulo Open match between Anna Blinkova and Alina Charaeva, as reported by a recognized tennis authority. The platform will verify the result against these sources to determine which outcome is declared the winner. Traders will then be able to claim their winnings or adjust their positions based on the confirmed result.
Several factors could influence the trading activity in this market. Any news regarding player form, such as injury updates for either Anna Blinkova or Alina Charaeva, would likely cause significant movement. Changes in weather conditions at the Sao Paulo Open could also impact the perceived advantage of either player. Furthermore, any unexpected upsets in other matches within the tournament could shift overall sentiment and affect trading volume. Finally, major shifts in public opinion, perhaps driven by expert analysis or social media discussion, could also contribute to price fluctuations.