📈Finance/KALSHI/May 24, 2026
kalshi market

Will the S&P 500 be between 7575 and 7599.9999 on May 29, 2026 at 4pm EDT?

PRISM
2.0%
MARKET (PUBLISH)
18.0%
MARKET (SETTLED)
100%
MOVE
+82pp

PRISM detected 5.0pp overconfidence — market held

PRISM estimated 2% against the market's 18%. This time, the market was right — a calibration data point.

PRISM MISSED-100% return
ISSUED FORECASTMay 24, 2026 at 2:11 AM
MODERATE · OVERPRICED+5.0ppPRISM 2% · Market 18%
PRISM
2.0%
VS
MARKET
18.0%
EDGE DETECTED5.0pp
WEAK
MODERATE
STRONG
EXTREME
OUTCOME
YES
FORECAST
MODERATE
DIRECTION
OVERPRICED
CONFIDENCE
LOW
ACCURACY EDGE
-288
PUBLISHED
May 24, 2026
VIEW LIVE PRISM FORECASTSEdge scoring updated every 2h
1

What happened

This market resolved YES on May 29, 2026. The market's pricing turned out to be more accurate than PRISM's assessment.

Forecast Tape

2 events
  1. May 24, 2:11 AMPUBLISHED

    Prism 2% vs market 18% — MODERATE OVERPRICED

  2. May 29, 11:30 PMRESOLVED YES

    Resolved YES. Market was closer than Prism on this call.

2

What the market believed

MARKET PRICE · AT FORECAST TIME
18.0%

The market was pricing this event at 18.0% probability when PRISM generated its forecast. PRISM assessed this was too high — the market was overconfident.

3

What PRISM believed

PRISM PROBABILITY
2.0%
EDGE DETECTED
5.0pp
FORECAST
MODERATE OVERPRICED
Confidence
LOW
Kelly Reference
N/A
PRISM Sizing (¼ Kelly · cap 5%)
N/A
PRISM REASONING
  • Fundamental analysis indicates a required +35% move in five days is a near-impossible volatility event
  • The target range is far above the current verified index level of 7,473.47
  • This forecast is driven by the extreme magnitude of the required move against historical precedent
FACTORS FOR
  • +Extreme short-term bullish momentum required
FACTORS AGAINST
  • Target range 35% above current level
  • Narrow 25-point acceptance window
  • Macro data risk one day prior
RESOLUTION PATHS MODELED
Unprecedented, massive short-term rally into narrow band2%
Evidence 53%
SOURCES (5)
last week
  • S&P 500 Index Charts, Data - GuruFocusgurufocus.com

    S&P 500 Index was 7473.47 as of 2026-05-22, according to S&P Dow Jones Indices. Historically, S&P 500 Index reached a record high of 7501.24 and a record low of ...

    May 22Open →
  • Economic Calendar: May 25 - May 29, 2026 - Yelzayelza.com

    Discover key macroeconomic developments and corporate results for the coming week, with a focus on Nvidia's quarterly results.

    May 23Open →
  • Top Earnings Week: Dell, Salesforce & AI Stocks 2026 - Tickerontickeron.com

    The S&P 500 has staged a notable recovery in 2026 as fears of a deep recession have moderated, but investors remain alert to guidance disappointments ...

    May 23Open →
  • S&P price range tomorrow at 4pm EDT? 1 - Kalshikalshi.com

    The market will close on May 20, 2026. The market will expire at the sooner of the first release of the data, or one week after May 20, 2026.

    May 19Open →
  • FRED verified macro/market datafred.stlouisfed.org

    ## VERIFIED ECONOMIC DATA — S&P 500 INDEX (FRED — USE THESE NUMBERS) CRITICAL: The following data is from the Federal Reserve Economic Database (FRED) and is verified. Use ONLY these numbers. DO NOT substitute with any other data. Indicator: S&P 500 Index Latest Value: 7,473.47 (as of 2026-05-22) — VERIFIED Change from previous: +27.75 (+0.37%) Trend (last 5 observations): RISING 2026-05-18: 7,403.05 2026-05-19: 7,353.61 2026-05-20: 7,432.97 2026-05-21: 7,445.72 2026-05-22: 7,473.47 ## PRE-COMPUTED MARKET MATH (use these numbers — do NOT recalculate) Target range: 500.00 – 757.00 Current value: 7,473.47 Position: ABOVE range by 6,716.47 (887.2% above upper bound) IMPORTANT: These are VALUE C

    May 24Open →

PRISM RETRIEVES EVIDENCE FROM A CURATED LIST OF PRIMARY WIRES + OFFICIAL SOURCES

4

Why the gap existed

Prism's 16.0% edge call was wrong — market was right

CALIBRATION SCORECARD
PRISM ACCURACY
0.960
MARKET ACCURACY
0.672
EDGE
-288.0
Brier edge
The market's probability estimate was more accurate than PRISM's on this call.
5

How this forecast played out

1.PRISM analyzed Will the S&P 500 be between 7575 and 7599.9999 on May 29, 2026 at 4pm EDT?, classifying it as overpriced at 18.0%.
2.Forecast classification: MODERATE OVERPRICED — PRISM estimate 2.0% vs market 18.0%.
3.Kelly reference at forecast time: —% (¼ Kelly, capped at 5%; mathematical reference only — not a position recommendation).
4.Outcome: resolved YES.

Get live PRISM forecasts for Kalshi + Polymarket.

Edge scores, Kelly references, confidence levels, and resolution paths — updated every 2 hours, before the market corrects.

VIEW LIVE FORECASTS
PRISM: v0.9.160-verifier-clock·Forecasted: May 24, 2026·Resolved: May 29, 2026·kalshi
For informational purposes only. Not financial advice. EdgeCal provides PRISM-generated market analysis and does not execute trades, manage funds, or guarantee returns. Past performance does not indicate future results.