Market is split — Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 Winner at 50%. High uncertainty = high risk/reward opportunity.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 Winner | 50% | +100% | - |
| 2 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 2 Winner | 50% | +100% | - |
| 3 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Total Sets: O/U 2.5 | 50% | +100% | - |
| 4 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 O/U 8.5 | 50% | +100% | - |
| 5 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 O/U 9.5 | 50% | +100% | - |
| 6 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 O/U 10.5 | 50% | +100% | - |
| 7 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 2 O/U 8.5 | 50% | +100% | - |
| 8 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 2 O/U 9.5 | 50% | +100% | - |
| 9 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 2 O/U 10.5 | 50% | +100% | - |
| 10 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Match O/U 21.5 | 50% | +100% | - |
| 11 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Match O/U 22.5 | 50% | +100% | - |
| 12 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Match O/U 23.5 | 50% | +100% | - |
| 13 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set Handicap +/-1.5 | 50% | +100% | - |
| 14 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set Handicap +/-1.5 | 50% | +100% | - |
| 15 | Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti | 50% | +102% | $25K |
| 16 | Completed Match BEST VALUE | 15% | +567% | - |
Real-money prediction market · Trade with confidence
This market refers to the doubles tennis match between King/Nakashima and Arribage/Olivetti in the Japan Open Tennis Championships, originally scheduled for September 30, 2026 at 9:00PM ET. This mark...
This prediction market tracks whether Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti will occur, with $25K 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.
The market is closely contested, with Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 Winner leading at just 50%. This near-even split signals high uncertainty among traders, creating potential value opportunities for those with strong conviction based on their own analysis of the underlying factors.
Trading activity is exceptionally high, with $25K 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 2026-10-08. 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 01, 2026 at 06:55 UTC, the leading outcome is Japan Open Tennis Championships (Doubles): King/Nakashima vs Arribage/Olivetti Set 1 Winner at 50% probability, with $25K in total trading volume on Polymarket.
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