TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 29, 7:55 PM EST
Polymarket
This market refers to the tennis match between Madison Sieg and Sara Saito in the W75 Toronto, Main Draw, originally scheduled for October 29, 2026 at 1:00PM ET. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Sara Saito. This market will resolve to 'Sara Saito' if Sara Saito advances against Madison Sieg. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 12, 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 Madison Sieg and Sara Saito in the W75 Toronto, Main Draw, originally scheduled for October 29, 2026 at 1:00PM ET. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Sara Saito. This market will resolve to 'Sara Saito' if Sara Saito advances against Madison Sieg. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 12, 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.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Toronto W75 match. The price of these shares fluctuates based on supply and demand, reflecting the collective prediction of 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 price adjusts, providing a dynamic assessment of the probability of each outcome. The current price indicates the market’s implied probability of Madison Sieg winning, taking into account the set handicap. The volume traded also plays a role, as higher volume generally indicates greater confidence in the price.
This market resolves around Nov 5, 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 Toronto W75 match between Madison Sieg and Sara Saito, specifically taking into account the set handicap. The platform will verify the result against reliable sources to determine which outcome corresponds to the actual match result. This ensures a transparent and objective determination of the market’s outcome, reflecting the real-world event.
Several signals or events could significantly move this market before resolution. Any news regarding player injuries or changes in form for either Madison Sieg or Sara Saito would likely impact the odds. Unexpected weather conditions at the tournament venue could also be a factor, potentially affecting playing styles and match outcomes. Furthermore, significant shifts in public opinion or analysis from tennis experts could influence trading activity and therefore the price of shares in this market. Major upsets in other matches within the tournament could also indirectly affect sentiment and trading behavior.