Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 8.5 leads at 72%. Moderate consensus — room for value on contrarian bets.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 8.5 | 72% | +40% | - |
| 2 | Japan Women's Open: Antonia Ruzic vs Kayla Day Match O/U 21.5 | 52% | +92% | - |
| 3 | Completed Match | 52% | +94% | $300 |
| 4 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 Winner | 50% | +100% | - |
| 5 | Japan Women's Open: Antonia Ruzic vs Kayla Day | 50% | +102% | $16K |
| 6 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 Winner | 50% | +102% | - |
| 7 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 9.5 | 48% | +106% | - |
| 8 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 O/U 8.5 | 48% | +108% | - |
| 9 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 O/U 9.5 | 48% | +108% | - |
| 10 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 2 O/U 10.5 | 48% | +108% | - |
| 11 | Japan Women's Open: Antonia Ruzic vs Kayla Day Game Spread +/-0.5 | 48% | +108% | - |
| 12 | Japan Women's Open: Antonia Ruzic vs Kayla Day Match O/U 22.5 | 45% | +122% | - |
| 13 | Japan Women's Open: Antonia Ruzic vs Kayla Day Match O/U 23.5 | 41% | +144% | - |
| 14 | Japan Women's Open: Antonia Ruzic vs Kayla Day Total Sets: O/U 2.5 | 39% | +156% | - |
| 15 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set Handicap +/-1.5 | 30% | +233% | - |
| 16 | Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 10.5 BEST VALUE | 24% | +308% | - |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Antonia Ruzic and Kayla Day in the Japan Women's Open, originally scheduled for October 21, 2026 at 9:00PM ET. This market will resolve to 'Antonia Ruzi...
This prediction market tracks whether Japan Women's Open: Antonia Ruzic vs Kayla Day will occur, with $17K in total trading volume reflecting significant trader interest. Prediction markets aggregate the collective intelligence of participants who stake real money on outcomes, making them one of the most reliable forecasting tools available for events driven by team performance data, historical matchups, and real-time injury reports.
Traders lean toward Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 8.5 at 72%, suggesting a probable but not certain outcome. This moderate confidence level often reflects genuine uncertainty — markets at this range tend to see the most price movement as new information emerges.
Trading activity is exceptionally high, with $16K traded in the last 24 hours alone (99% of total volume). This surge often indicates breaking news, a key deadline approaching, or a significant shift in market sentiment.
This market is scheduled to resolve by 2026-10-29. As the resolution date approaches, expect increased trading activity and tighter probability estimates. Historical data shows that prediction market accuracy improves significantly in the final days before resolution.
As of Oct 21, 2026 at 23:25 UTC, the leading outcome is Japan Women's Open: Antonia Ruzic vs Kayla Day Set 1 O/U 8.5 at 72% probability, with $17K in total trading volume on Polymarket.
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