Market comparison
Sasnovich vs Bartunkova
2 venues · 17 outcome rows · 1 comparable lines · event identity linked · 0 verified parity · active
Kalshi
Open venue ↗2 outcomes · $442K reported volume
Observed 58s ago
Recorded venue end date: Nov 9, 2026
Polymarket
Open venue ↗16 outcomes · $28K reported volume
Observed 58s ago
Recorded venue end date: Nov 2, 2026
Known rule differences between venues
- Postponement: Kalshi resolves to a fair price if the game does not start within 48 hours of the scheduled time (tennis: not finished within two weeks); Polymarket stays open until the game is played and resolves 50-50 only if it is cancelled with no make-up (UFC/tennis: ~14 days).
- Ties and draws in two-way sports (NFL, college football, UFC no-contest): both venues pay 50/50.
- Soccer: both settle on 90 minutes plus stoppage time; extra time and penalties excluded.
- Tennis: Kalshi requires a ball to be played and pays the winner; Polymarket pays the player who advances, including on retirement. A pre-match walkover is a fair price on Kalshi, 50-50 on Polymarket.
- UFC: Kalshi ignores result changes after expiry; Polymarket follows the official UFC result.
- Polymarket two-way moneylines are one contract priced on the first-named side; the other side is its complement (recorded as a derived relation, not a link).
A shared identity alone does not make a price difference executable.
| Outcome | Kalshi | Polymarket | Difference |
|---|---|---|---|
Sasnovich Partial parityPayoffs match in ordinary outcomes; see the rule differences above. | 71.5% Bid 71.0% · Ask 72.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Open Polymarket ↗ | 6.5 pp | |
Completed Match Not alignedNo persisted outcome identity connects these venue contracts. | — | — | |
Nikola Bartunkova Not alignedNo persisted outcome identity connects these venue contracts. | — | — | |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 100.0% Bid 99.9% · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 Winner Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 100.0% Bid 99.9% · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 O/U 9.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 100.0% Bid 99.9% · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 O/U 8.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 57.0% Bid 55.0% · Ask 59.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 55.0% Bid 42.0% · Ask 68.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 22.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 55.0% Bid 42.0% · Ask 68.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 23.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 53.0% Bid 43.0% · Ask 63.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Total Sets: O/U 2.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid — · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 O/U 8.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid 3.0% · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Game Spread +/-3.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid — · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 O/U 9.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 50.0% Bid — · Ask 100.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 O/U 10.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 46.5% Bid 43.0% · Ask 50.0% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 Winner Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 0.4% Bid 20.0% · Ask 0.9% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 O/U 10.5 Open Polymarket ↗ | — |
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5 Not alignedNo persisted outcome identity connects these venue contracts. | — | 0.4% Bid 4.0% · Ask 0.9% Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set Handicap +/-1.5 Open Polymarket ↗ | — |
Sasnovich
Partial parityPayoffs match in ordinary outcomes; see the rule differences above.
Kalshi
Polymarket
71.5%
Bid 71.0% · Ask 72.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova
Open Polymarket ↗Price difference 6.5 pp
Completed Match
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
Nikola Bartunkova
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
Polymarket
—
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
100.0%
Bid 99.9% · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 Winner
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
100.0%
Bid 99.9% · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 O/U 9.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
100.0%
Bid 99.9% · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 O/U 8.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
57.0%
Bid 55.0% · Ask 59.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
55.0%
Bid 42.0% · Ask 68.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 22.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
55.0%
Bid 42.0% · Ask 68.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 23.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
53.0%
Bid 43.0% · Ask 63.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Total Sets: O/U 2.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid — · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 O/U 8.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid 3.0% · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Game Spread +/-3.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid — · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 O/U 9.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
50.0%
Bid — · Ask 100.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 O/U 10.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
46.5%
Bid 43.0% · Ask 50.0%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 2 Winner
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
0.4%
Bid 20.0% · Ask 0.9%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set 1 O/U 10.5
Open Polymarket ↗Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Match O/U 21.5
Not alignedNo persisted outcome identity connects these venue contracts.
Kalshi
—
Polymarket
0.4%
Bid 4.0% · Ask 0.9%
Pan Pacific Open: Aliaksandra Sasnovich vs Nikola Bartunkova Set Handicap +/-1.5
Open Polymarket ↗Prices are shown as percentages of a $1 payout. “pp” means percentage points. A dash means data is unavailable.