TOTAL VOLUME:
$154.8b
24H VOL:
$245,601,049
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,897,405,322
408,349
Markets across
39,583
events
MATCHED EVENTS:
4,443
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 11, 1:18 PM EST
Polymarket
This market refers to the tennis match between Ilina Ilieva and Ralitsa Alexandrova in the W50 Stara Zagora, Qualifying, originally scheduled for October 11, 2026 at 3:30AM ET. This market will resolve to 'Ilina Ilieva' if Ilina Ilieva advances against Ralitsa Alexandrova. This market will resolve to 'Ralitsa Alexandrova' if Ralitsa Alexandrova advances against Ilina Ilieva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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 Ilina Ilieva and Ralitsa Alexandrova in the W50 Stara Zagora, Qualifying, originally scheduled for October 11, 2026 at 3:30AM ET. This market will resolve to 'Ilina Ilieva' if Ilina Ilieva advances against Ralitsa Alexandrova. This market will resolve to 'Ralitsa Alexandrova' if Ralitsa Alexandrova advances against Ilina Ilieva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and need to account for profit margins, which can sometimes lead to discrepancies. This market, like others, may show a different probability distribution than those offered by sportsbooks, especially as new information becomes available and more traders participate. It's common to see prediction markets react more quickly to breaking news or shifts in public opinion than traditional betting venues.
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. The price fluctuates based on supply and demand; if more people believe Ilina Ilieva will win, the price of shares representing her victory will increase, and vice versa. This dynamic pricing ensures that the market reflects the collective intelligence of its participants.
This market resolves around Oct 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be based on the official result declared by the tournament organizers for the W50 Stara Zagora match between Ilina Ilieva and Ralitsa Alexandrova. The platform will verify the outcome against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for the definitive result as the resolution date approaches.
Several signals could influence this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly shift the odds. Unexpected upsets in other matches leading up to the Ilieva vs Alexandrova match might also affect traders’ perceptions of their relative strengths. Public sentiment, reflected in social media or expert analysis, could also play a role, as traders react to evolving narratives surrounding the players and their chances of success. A significant shift in betting volume could also indicate a change in market expectations.