Japan Women's Open: Sonay Kartal vs Kimberly Birrell leads at 64%. Moderate consensus — room for value on contrarian bets.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell | 64% | +55% | $30K |
| 2 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 1 Winner | 64% | +55% | - |
| 3 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 2 Winner | 60% | +65% | - |
| 4 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 1 O/U 8.5 | 58% | +72% | $20 |
| 5 | Completed Match | 56% | +80% | - |
| 6 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 1 O/U 9.5 | 49% | +104% | - |
| 7 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 2 O/U 8.5 | 48% | +106% | - |
| 8 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 2 O/U 9.5 | 48% | +106% | - |
| 9 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 2 O/U 10.5 | 48% | +106% | - |
| 10 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set Handicap +/-1.5 | 48% | +106% | - |
| 11 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Game Spread +/-4.5 | 48% | +106% | - |
| 12 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Match O/U 21.5 | 45% | +122% | - |
| 13 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Match O/U 22.5 | 40% | +153% | - |
| 14 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Match O/U 23.5 | 36% | +174% | - |
| 15 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Total Sets: O/U 2.5 | 36% | +178% | - |
| 16 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set 1 O/U 10.5 | 36% | +182% | - |
| 17 | Japan Women's Open: Sonay Kartal vs Kimberly Birrell Set Handicap +/-1.5 BEST VALUE | 20% | +388% | $17 |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Sonay Kartal and Kimberly Birrell in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to 'Sonay...
This prediction market tracks whether Japan Women's Open: Sonay Kartal vs Kimberly Birrell will occur, with $30K 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: Sonay Kartal vs Kimberly Birrell at 64%, 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 $31K traded in the last 24 hours alone (102% 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 2026-10-26. 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 18, 2026 at 13:05 UTC, the leading outcome is Japan Women's Open: Sonay Kartal vs Kimberly Birrell at 64% probability, with $30K in total trading volume on Polymarket.
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