KalshiClosedCheck availabilityKYC requiredVerified resolution dataWell calibratedThis market resolved: Ella McDonald (99%)
Resolved: Oct 21, 2026, 5:28 PM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Data quality warningStale data
Data as of Oct 21, 2026, 5:20 PM UTC · policy pm-quality-4
Probability Timeline
Rose Marie Nijkamp1%
Ella McDonald83%
Ella McDonaldWon
Rose Marie NijkampLost
Rules
If Ella McDonald wins the McDonald vs Nijkamp professional tennis match in the 2026 W50 Austin Round of 16 after a ball has been played, then the market resolves to Yes.
- The following market refers to the McDonald vs Nijkamp professional tennis match in the 2026 W50 Austin 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), all markets will resolve to $0.50. If a player withdraws or forfeits after a match has started, that player will resolve to No. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.
Rules for each outcome
- Ella McDonald
- If Ella McDonald wins the McDonald vs Nijkamp professional tennis match in the 2026 W50 Austin Round of 16 after a ball has been played, then the market resolves to Yes.
- Rose Marie Nijkamp
- If Rose Marie Nijkamp wins the McDonald vs Nijkamp professional tennis match in the 2026 W50 Austin Round of 16 after a ball has been played, then the market resolves to Yes.
