KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedSelected book midpoint
S&P 500 Total Return Index · —
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Stored price
S&P 500 Total Return Index 90%
S&P 500 Total Return Index 90%Market quality
42 / 100
Low quality24h Volume
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Open interest
$10.7K
Medium open interestBid / Ask
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S&P 500 Total Return IndexSpread
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Market data
Updated 1 hour ago
LaggingMay 19, 26, 12:00 AM UTCJan 1, 27, 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 · S&P 500 Total Return Index
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
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KalshiWhat will the annual return from trading on the Dutch frequency imbalance market for a typical home battery be in 2028?
Manifold MarketsAnthropic IPO Closing Market Cap
PolymarketRules
If S&P 500 Total Return Index performs above Gold for the period of 2026 by 0.001% then the market resolves to Yes.
- Percent return is calculated from the official open price of each asset on January 2, 2026 (the first published trading day of the calendar year) and the official closing price on December 31, 2026. For example, if the S&P 500 Total Return Index opens at $5,800 on January 2, 2026 and at $6,380 on December 31, 2026, it will be concluded that the annual percentage return of the S&P 500 TR is +10.000%.
Rules for each outcome
- S&P 500 Total Return Index
- If S&P 500 Total Return Index performs above Gold for the period of 2026 by 0.001% then the market resolves to Yes.
- Gold
- If Gold performs above S&P 500 Total Return Index for the period of 2026 by 0.001% then the market resolves to Yes.
