Current implied probability
Boris van Ruiten 30%
Market quality
89 / 100
High quality24h Volume
$413.7K
Liquidity
$238.1K
High liquidityBid / Ask
28.0% / 30.0%
Spread
7.1%
Moderate spreadMarket data
Updated 15 minutes ago
Jul 20, 26, 9:12 PMAug 4, 26, 9:00 AM
Trends
Paper funds only — no real moneyNot financial advice
Selected outcome
Boris van Ruiten30%
Large trades
$1.0k67.0%
KALSHIBoris van Ruiten — No16m ago
KALSHIBoris van Ruiten — No16m ago$1.6k82.0%KALSHIBoris van Ruiten — No2h ago
KALSHIBoris van Ruiten — No2h ago$1.6k81.0%KALSHICalin Apostol — Yes2h ago
KALSHICalin Apostol — Yes2h ago$1.7k69.0%KALSHICalin Apostol — Yes4h ago
KALSHICalin Apostol — Yes4h ago$1.4k62.0%KALSHICalin Apostol — Yes4h ago
KALSHICalin Apostol — Yes4h ago$1.5k62.0%KALSHICalin Apostol — Yes4h ago
KALSHICalin Apostol — Yes4h ago$1.6k62.0%KALSHICalin Apostol — Yes4h ago
KALSHICalin Apostol — Yes4h ago$2.8k64.0%KALSHICalin Apostol — Yes5h ago
KALSHICalin Apostol — Yes5h agoVolume trend
$413.7kJul 202d of dataJul 21
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If Boris van Ruiten wins the van Ruiten vs Apostol professional tennis match in the 2026 M25+H Bacau Round of 16 after a ball has been played, then the market resolves to Yes.
- The following market refers to the van Ruiten vs Apostol professional tennis match in the 2026 M25+H Bacau 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.