Market comparison
Japan Women's Open: Mary Stoiana vs Katerina Siniakova
1 venue · 16 outcome rows · 0 comparable lines · 0 verified parity · active
Polymarket
Open venue ↗16 outcomes · $8K reported volume
Observed 1m ago
Recorded venue end date: Oct 30, 2026
No shared outcome identities or comparable outcome lines are available for this event. Each venue’s outcomes are listed separately.
| Outcome | Polymarket | Difference |
|---|---|---|
Completed Match Not alignedNo persisted outcome identity connects these venue contracts. | — | |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 100.0% Bid 99.9% · Ask 100.0% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Game Spread +/-3.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 100.0% Bid 99.9% · Ask 100.0% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set Handicap +/-1.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.1% Bid 8.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 22.5 Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.1% Bid — · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 10.5 Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.1% Bid — · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 9.5 Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 5.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 Winner · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 0.2% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 3.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Total Sets: O/U 2.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 57.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 8.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 10.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 21.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 1.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 Winner · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 26.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 23.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 37.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 9.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid — · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 8.5 · closed Open Polymarket ↗ | — |
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Not alignedNo persisted outcome identity connects these venue contracts. | 0.0% Bid 15.0% · Ask 0.1% Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 10.5 · closed Open Polymarket ↗ | — |
Completed Match
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
100.0%
Bid 99.9% · Ask 100.0%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Game Spread +/-3.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
100.0%
Bid 99.9% · Ask 100.0%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set Handicap +/-1.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.1%
Bid 8.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 22.5
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.1%
Bid — · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 10.5
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.1%
Bid — · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 9.5
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 5.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 Winner · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 0.2% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 3.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Total Sets: O/U 2.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 57.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 8.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 10.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 21.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 1.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 Winner · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 26.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Match O/U 23.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 37.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 9.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid — · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 2 O/U 8.5 · closed
Open Polymarket ↗Japan Women's Open: Mary Stoiana vs Katerina Siniakova
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
0.0%
Bid 15.0% · Ask 0.1%
Japan Women's Open: Mary Stoiana vs Katerina Siniakova Set 1 O/U 10.5 · closed
Open Polymarket ↗Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.