Ningbo Open: Ekaterina Alexandrova vs Marta Kostyuk — odds by venue
| Outcome | Polymarket | Kalshi | Best price |
|---|---|---|---|
| Ningbo Open: Ekaterina Alexandrova vs Marta Kostyuk | 41% | 42% | 41% on Polymarket |
Venues
- Polymarket: Volume $460 · Liquidity $126.6K · Price time —
- Kalshi: Volume $3K · Liquidity $3K · Price time —
Resolution rules
Polymarket
This market refers to the tennis match between Ekaterina Alexandrova and Marta Kostyuk in the Ningbo Open, originally scheduled for October 21, 2026 at 7:00AM ET. This market will resolve to 'Ekaterina Alexandrova' if Ekaterina Alexandrova advances against Marta Kostyuk. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Ekaterina Alexandrova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins…
Kalshi
If Ekaterina Alexandrova wins the Alexandrova vs Kostyuk professional tennis match in the 2026 WTA Ningbo Round Of 16 after a ball has been played, then the market resolves to Yes. The following market refers to the Alexandrova vs Kostyuk professional tennis match in the 2026 WTA Ningbo Round Of 16 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or del…