Market comparison
Madrid Open: Madison Keys vs Shuai Zhang
1 venue · 10 outcome rows · 0 comparable lines · 0 verified parity · inactive
Polymarket
Open venue ↗10 outcomes · $117K reported volume
Observed 4387h ago · stale
Recorded venue end date: May 1, 2026
No shared outcome identities or comparable outcome lines are available for this event. Each venue’s outcomes are listed separately.
| Outcome | Polymarket | Difference |
|---|---|---|
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.5%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Set 1 Winner Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Set 1 O/U 8.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Match O/U 22.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Total Sets: O/U 2.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Match O/U 21.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Set 1 O/U 9.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Match O/U 23.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Set Handicap +/-1.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang Set 1 O/U 10.5 · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang Not alignedNo persisted outcome identity connects these venue contracts. | 50.0%stale Bid and ask hidden: prices are over 2 hours old Madrid Open: Madison Keys vs Shuai Zhang · closed Open Polymarket ↗ | — |
Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.5%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Set 1 Winner
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Set 1 O/U 8.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Match O/U 22.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Total Sets: O/U 2.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Match O/U 21.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Set 1 O/U 9.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Match O/U 23.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Set Handicap +/-1.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang Set 1 O/U 10.5 · closed
Open Polymarket ↗Madrid Open: Madison Keys vs Shuai Zhang
Not alignedNo persisted outcome identity connects these venue contracts.
Polymarket
50.0%stale
Bid and ask hidden: prices are over 2 hours old
Madrid Open: Madison Keys vs Shuai Zhang · closed
Open Polymarket ↗Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.