PolymarketDelisted

Japan Women's Open: Katie Boulter vs Katerina Siniakova

Katerina Siniakova85%
Katie Boulter16%

Price has not been independently checked yet.

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24h volume$113.2K
7d volume$113.2K
30d volume$113.2K
Liquidity$119K
Spread1%
ResolvesOct 31, 2026in 6 days

Probability history

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Shaded periods have no successful hourly price check.

Probability history0%25%50%75%100%Oct 23, 12:16 PMOct 23, 11:30 PMOct 24, 10:45 AMOct 24, 10:00 PMShaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.

Based on this market’s outcome prices, expressed as probabilities.

Resolution rules

This market refers to the tennis match between Katie Boulter and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 24, 2026 at 12:30AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Katie Boulter. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 7, 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.

Sourcehttps://www.wtatennis.com/scores

Other legs of this event

MarketVenuePriceStatus
Boulter vs. Siniakova: Match O/U 22.5Polymarket62% UnderOpen
Boulter vs. Siniakova: Match O/U 21.5Polymarket50% OverOpen
Set 2 Winner: Katie Boulter vs Katerina SiniakovaPolymarket63% Katerina SiniakovaOpen
Katie Boulter vs. Katerina Siniakova: Total Sets O/U 2.5Polymarket61% Under 2.5Open
Set Handicap: Katerina Siniakova (-1.5) vs Katie Boulter (+1.5)Polymarket63% Katerina SiniakovaOpen
Japan Women's Open: Completed Match: Katie Boulter vs Katerina SiniakovaPolymarket100% YesOpen
Game Spread: Katerina Siniakova (-2.5) vs Katie Boulter (+2.5)Polymarket50% Katerina SiniakovaOpen
Boulter vs. Siniakova: Set 2 Games O/U 9.5Polymarket100% OverOpen
Boulter vs. Siniakova: Set 1 Games O/U 8.5Polymarket50% UnderOpen
Boulter vs. Siniakova: Set 1 Games O/U 9.5Polymarket50% UnderOpen
Boulter vs. Siniakova: Set 2 Games O/U 8.5Polymarket100% OverOpen
Boulter vs. Siniakova: Match O/U 23.5Polymarket50% OverOpen
Set 1 Winner: Katie Boulter vs Katerina SiniakovaPolymarket58% Katerina SiniakovaOpen
Boulter vs. Siniakova: Set 1 Games O/U 10.5Polymarket50% OverOpen
Set Handicap: Katie Boulter (-1.5) vs Katerina Siniakova (+1.5)Polymarket78% Katerina SiniakovaOpen
Boulter vs. Siniakova: Set 2 Games O/U 10.5Polymarket50% UnderOpen

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As of Oct 25, 04:40 AM UTC