TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 7:24 AM EST
Polymarket
This market refers to the tennis match between Maria Sara Popa and Lidia Encheva in the W50 Istanbul, Main Draw, originally scheduled for October 28, 2026 at 4:00AM ET. This market will resolve to 'Maria Sara Popa' if Maria Sara Popa advances against Lidia Encheva. This market will resolve to 'Lidia Encheva' if Lidia Encheva advances against Maria Sara Popa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 Maria Sara Popa and Lidia Encheva in the W50 Istanbul, Main Draw, originally scheduled for October 28, 2026 at 4:00AM ET. This market will resolve to 'Maria Sara Popa' if Maria Sara Popa advances against Lidia Encheva. This market will resolve to 'Lidia Encheva' if Lidia Encheva advances against Maria Sara Popa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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.
Prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from sportsbook odds which can be influenced by factors like house bias or initial public perception. Sportsbooks may set lines to encourage balanced betting, while this market represents what traders believe is the true probability of each player winning. Discrepancies can arise from differing information sources, analytical approaches, or simply the diverse perspectives of participants in this market. It's common to see prediction markets outperform traditional forecasts, especially when a significant amount of volume is traded.
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 these shares directly reflects the implied probability of each player winning the W50 Istanbul tennis match. 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 emerges, the price adjusts to reflect the collective intelligence of the crowd. The volume of $329 indicates the level of interest and confidence in the market’s predictions.
This market resolves around Nov 4, 2026, with the outcome confirmed once the result of the W50 Istanbul tennis match is verifiable from credible public reporting. The winner of the match, as officially declared by tournament organizers, will determine the winning outcome in this market. The resolution process relies on publicly available information to ensure an objective and transparent result. Traders should monitor official sources for the match results as the resolution date approaches.
Several factors could influence the price of this market before Nov 4, 2026. News regarding player injuries, changes in playing conditions, or updated rankings could all shift trader sentiment. Unexpected results in preliminary matches or any controversies surrounding the tournament could also cause significant price movements. Furthermore, large trades by influential participants or shifts in broader tennis betting markets could impact the implied probabilities reflected in this market. Monitoring these signals will be key to understanding potential shifts in the market’s predictions.