PolymarketOpen

Set Handicap: Katerina Siniakova (-1.5) vs Katie Boulter (+1.5)

Katerina Siniakova63%
Katie Boulter38%

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24h volume$300
7d volume$300
30d volume$300
Liquidity$324
Spread19%
ResolvesOct 31, 2026in 6 days

Probability history

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Probability history0%25%50%75%100%Oct 23, 12:45 PMOct 23, 11:30 PMOct 24, 10:15 AMOct 24, 09:00 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.

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

Resolution rules

This market refers to the tennis match between Katerina Siniakova and Katie Boulter in the Japan Women's Open, originally scheduled for October 24, 2026 at 12:30AM ET. This market will resolve to "Katerina Siniakova" if Katerina Siniakova wins by 2 or more sets than Katie Boulter, based on the final completed score. Otherwise, it will resolve to "Katie Boulter." If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Katerina Siniakova can no longer win by 2 or more sets, and this market will resolve to "Katie Boulter." If the match is canceled before play begins, or a result has not been determined by November 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official WTA results.

Sourcehttps://www.wtatennis.com/scores

Other legs of this event

MarketVenuePriceStatus
Japan Women's Open: Katie Boulter vs Katerina SiniakovaPolymarket85% Katerina SiniakovaOpen
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
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 24, 09:51 PM UTC