KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedData quality warningNo live quotesStale data
Data as of Oct 30, 2026, 12:03 PM UTC · policy pm-quality-4
Selected book midpoint
Before the 2028 season · —
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Stored price
Before the 2028 season 38%
Before the 2028 season 38%Market quality
36 / 100
Low quality24h Volume
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Open interest
$3.9K
Medium open interestBid / Ask
— / —
Before the 2028 seasonSpread
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Market data
Updated 7 minutes ago
May 22, 26, 2:00 PM UTCFeb 1, 28, 4:59 AM 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:
- 30m (informational)
Market depth · Before the 2028 season
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will Novak Djokovic retire before 2027?
KalshiNovak Djokovic: 25th Major Next Year
KalshiWill Novak Djokovic announce his retirement by which date?
PolymarketWill Novak Djokovic qualify for the Nitto ATP Finals 2026?
Manifold MarketsHow many grand slams will Novak Djokovic win in total?
Manifold MarketsWill Novak Djokovic retire before 2027 US Open?
Manifold MarketsRules
If Novak Djokovic announces their retirement from ATP before the 2028 ATP season start date, then the market resolves to Yes.
- Note: the retirement must be intended to be effective immediately or prior to the first new season after the announcement. 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
- Before the 2028 season
- If Novak Djokovic announces their retirement from ATP before the 2028 ATP season start date, then the market resolves to Yes.
- Before the 2027 season
- If Novak Djokovic announces their retirement from ATP before the 2027 ATP season start date, then the market resolves to Yes.