KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedCurrent implied probability
Eva Maria Ionescu 57%
Eva Maria Ionescu 57%Market quality
88 / 100
High quality24h Volume
$216.8K
Open interest
$154.6K
High open interestBid / Ask
57.0% / 58.0%
Spread
1.0 pt
Tight spreadMarket data
Updated 1 minute ago
Sep 30, 26, 1:11 AM UTCOct 14, 26, 5:00 PM UTC
Trends
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 1m (informational)
Rules
If Eva Maria Ionescu wins the Ionescu vs Mattioli professional tennis match in the 2026 W15 Nashville TN Round of 32 after a ball has been played, then the market resolves to Yes.
- The following market refers to the Ionescu vs Mattioli professional tennis match in the 2026 W15 Nashville TN Round of 32 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
- Eva Maria Ionescu
- If Eva Maria Ionescu wins the Ionescu vs Mattioli professional tennis match in the 2026 W15 Nashville TN Round of 32 after a ball has been played, then the market resolves to Yes.
- Francesca Mattioli
- If Francesca Mattioli wins the Ionescu vs Mattioli professional tennis match in the 2026 W15 Nashville TN Round of 32 after a ball has been played, then the market resolves to Yes.
