Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 1 O/U 8.5 leads at 65%. Moderate consensus — room for value on contrarian bets.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 1 O/U 8.5 | 65% | +54% | - |
| 2 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Game Spread +/-3.5 | 56% | +79% | - |
| 3 | Completed Match | 52% | +90% | - |
| 4 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 2 O/U 8.5 | 48% | +108% | - |
| 5 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 2 O/U 9.5 | 48% | +108% | - |
| 6 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 2 O/U 10.5 | 48% | +108% | - |
| 7 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set Handicap +/-1.5 | 46% | +115% | $1K |
| 8 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Match O/U 21.5 | 44% | +125% | $256 |
| 9 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 1 O/U 9.5 | 44% | +127% | - |
| 10 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Match O/U 22.5 | 40% | +153% | - |
| 11 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Match O/U 23.5 | 40% | +153% | - |
| 12 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 2 Winner | 38% | +167% | - |
| 13 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Total Sets: O/U 2.5 | 36% | +178% | - |
| 14 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 1 Winner | 34% | +190% | - |
| 15 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana | 30% | +228% | $13K |
| 16 | Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 1 O/U 10.5 BEST VALUE | 22% | +365% | $5 |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Oleksandra Oliynykova and Mary Stoiana in the Japan Women's Open, originally scheduled for October 19, 2026 at 9:00PM ET. This market will resolve to 'O...
This prediction market tracks whether Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana will occur, with $15K 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: Oleksandra Oliynykova vs Mary Stoiana Set 1 O/U 8.5 at 65%, 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 $15K traded in the last 24 hours alone (100% 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 2026-10-27. 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 20, 2026 at 00:25 UTC, the leading outcome is Japan Women's Open: Oleksandra Oliynykova vs Mary Stoiana Set 1 O/U 8.5 at 65% probability, with $15K in total trading volume on Polymarket.
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