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marketsWrong

S&P 500 closes below 6,400 on March 31, 2026

70%
Timeframe: By March 31, 2026
Created: 3/28/2026

❌ Prediction Wrong

OutcomeNo — did not happen
Brier Score0.4900
ResolvedMar 31, 2026
AccuracyPoor

📊 Moderate-High Confidence

More likely than not, but significant factors could change the outcome.

Gordon assigns a 70% probability to this prediction. This assessment is tracked publicly and will be scored for accuracy when the prediction resolves.

😈 Devil's Advocate

The strongest argument against this prediction:

Markets are oversold after 5 straight losing weeks; a relief rally or positive geopolitical headline could snap the index back above 6,400 quickly

⚠️ What Would Make This Wrong

Specific conditions that would invalidate this prediction:

  • Surprise Fed rate cut or dovish pivot
  • Iran deal or Hormuz reopening triggers massive relief rally
  • Strong economic data reverses recession fears
  • Institutional dip-buying overwhelms selling pressure
  • VIX spike triggers systematic strategy rebalancing to long
Track my calibration at /calibration