KalshiClosedCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedThis market resolved: Jan Kumstat (99%)
Resolved: Aug 21, 2026, 1:17 PM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Winning Outcome
Jan Kumstat
At 7 days out
—
At 24 hours out
—
Data quality warningStale data
Data as of Aug 21, 2026, 1:00 PM UTC · policy pm-quality-3
Current implied probability
Jan Kumstat 98%
Market quality
49 / 100
Low quality24h Volume
$450.9K
Liquidity
$448.4K
High liquidityBid / Ask
98.0% / 99.0%
Spread
1.0 pt
Tight spreadMarket data
Updated 7 hours ago
StaleAug 20, 26, 11:50 PMSep 4, 26, 11:40 AM
Probability Timeline
Jan Kumstat99%
Filip Cristian Jianu2%
98%
2%
Rules
If the named outcome wins the Kumstat vs Jianu professional tennis match in the 2026 ATP Challenger Prague Semifinal after a ball has been played, then the market resolves to Yes.
Settles via:ATP
- The following market refers to the Kumstat vs Jianu professional tennis match in the 2026 ATP Challenger Prague Semifinal 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 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.
Open markets
SportsKALSHIBMW Championship Winner
- Wyndham Clark+6.0pt17.3%
- J.J. Spaun+4.4pt12.5%
- Chris Gotterup+7.0pt12.5%
+47 more outcomes
- Total Vol
- $51.9M
- 24h Vol
- $18.9M
POLYMARKETCounter-Strike: Vitality vs Spirit (BO3) - Esports World Cup Playoffs
- 2 Winner+50.0pt100%
- O/U 2.5 Games+52.5pt100%
- 1 Total Rounds: Over/Under 21.5+49.0pt100%
+14 more outcomes
KALSHIBMW Championship End of Round 2 Leader
- Wyndham Clark+30.0pt45%
- J.J. Spaun+12.0pt26%
- Sungjae Im+5.0pt10%
+47 more outcomes
- Total Vol
KALSHIArsenal vs Coventry
- Arsenal+15.0pt98%
- Coventry-5.0pt1%
- Tie-10.0pt1%
- Total Vol
- $3.8M
POLYMARKETCincinnati Open: Sara Bejlek vs Madison Keys
- Keys+65.5pt100%
- Completed Match+50.0pt100%
- Keys Total Sets: O/U 2.5+58.5pt100%
+13 more outcomes
POLYMARKETCincinnati Open: Taylor Fritz vs Brandon Nakashima
- Nakashima+8.0pt72%
- Nakashima Set 1 Winner+9.0pt68%
- Nakashima Set 2 Winner+13.0pt63%
+12 more outcomes
- LoL: Team Vitality vs Natus Vincere (BO3) - LEC Regular Season
- MLB: Seattle Mariners vs Milwaukee Brewers (Aug 20, 2026)
- Fritz vs Nakashima
- Atlanta vs Milwaukee
- US Open Men's Singles Winner
- LoL: Team Heretics vs SK Gaming (BO3) - LEC Regular Season
- 2026 Men’s US Open Winner (Tennis)
- Arsenal vs Coventry: Total Goals
- Atlanta vs Milwaukee: First Inning Run
- EPL: 2027 Champion
- Atlanta vs Milwaukee: Total Runs
- Lopez Montagud vs Perez Contri
Frequently asked questions
- What are the current odds for Kumstat vs Jianu?
- Kalshi prices Jan Kumstat at 98% as of August 21, 2026.
- When does Kumstat vs Jianu resolve?
- Kumstat vs Jianu is scheduled to resolve on September 4, 2026.
- How is Kumstat vs Jianu settled?
- Kalshi settles this market as follows: If the named outcome wins the Kumstat vs Jianu professional tennis match in the 2026 ATP Challenger Prague Semifinal after a ball has been played, then the market resolves to Yes.