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 21, 12:20 PM EST
Polymarket
This market refers to the tennis match between Kamilla Bartone and Anastasia Efremova in the W15 Sharm ElSheikh, Main Draw, originally scheduled for October 21, 2026 at 6:00AM ET. This market will resolve to 'Kamilla Bartone' if Kamilla Bartone advances against Anastasia Efremova. This market will resolve to 'Anastasia Efremova' if Anastasia Efremova advances against Kamilla Bartone. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Kamilla Bartone and Anastasia Efremova in the W15 Sharm ElSheikh, Main Draw, originally scheduled for October 21, 2026 at 6:00AM ET. This market will resolve to 'Kamilla Bartone' if Kamilla Bartone advances against Anastasia Efremova. This market will resolve to 'Anastasia Efremova' if Anastasia Efremova advances against Kamilla Bartone. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from initial sportsbook offerings. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market is driven purely by traders expressing their beliefs about the outcome. It's common to see this market odds shift as new information emerges, potentially leading to discrepancies with sportsbook lines. Analyzing these differences can reveal insights into public perception and potential value opportunities, though direct comparisons are not always straightforward.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in each 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 prices adjust to reflect the collective wisdom. This creates a dynamic and efficient way to forecast the result of the Bartone vs Efremova match, based on the aggregated opinions of those trading in the market.
This market resolves around Oct 28, 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 Bartone vs Efremova match as declared by the governing tennis authority. The platform will verify the result against established sources to ensure accuracy and transparency. Traders who correctly predicted the outcome will be paid out according to their share holdings at the time of resolution, while those who predicted incorrectly will forfeit their shares.
Several factors could influence trading activity and move this market before Oct 28, 2026. Any news regarding player injuries, changes in playing conditions, or significant shifts in player form could all impact the perceived probabilities. Unexpected upsets in other matches involving these players, or broader trends in the tournament, could also play a role. Furthermore, large trades by influential market participants could cause noticeable price movements, reflecting a change in overall sentiment regarding the Bartone vs Efremova match.