KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedData quality warningStale data
Data as of Nov 5, 2026, 2:53 PM UTC · policy pm-quality-4
Selected book midpoint
John Sperle · —
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Stored price
John Sperle 84.5%
John Sperle 84.5%Market quality
59 / 100
Medium quality24h Volume
$6.9K
Open interest
$6.8K
Medium open interestBid / Ask
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John SperleSpread
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Market data
Updated 1 hour ago
LaggingNov 4, 26, 8:13 PM UTCNov 5, 26, 6:00 PM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 1m (informational)
Market depth · John Sperle
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Rules
If John Sperle wins the Sperle vs Caruso professional tennis match in the 2026 M15 San Gregorio di Catania Round of 16 after a ball has been played, then the market resolves to Yes.
- The following market refers to the Sperle vs Caruso professional tennis match in the 2026 M15 San Gregorio di Catania 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
- John Sperle
- If John Sperle wins the Sperle vs Caruso professional tennis match in the 2026 M15 San Gregorio di Catania Round of 16 after a ball has been played, then the market resolves to Yes.
- Antonio Caruso
- If Antonio Caruso wins the Sperle vs Caruso professional tennis match in the 2026 M15 San Gregorio di Catania Round of 16 after a ball has been played, then the market resolves to Yes.