Statistically, One of Wall Street's Most Accurate Forecasting Tools Is Calling for the S&P 500 to Plunge at Least 33%

Market Intelligence Analysis

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Why This Matters

A historical predictive indicator, which has never been wrong under specific circumstances, is forecasting a 33% plunge in the S&P 500. This indicator has been accurate since 1871, suggesting a potential significant market downturn. Investors should be cautious and consider diversifying their portfolios.

Market Impact

Market impact analysis based on bearish sentiment with 90% confidence.

Sentiment
Bearish
AI Confidence
90%
Time Horizon
Short Term

Article Context

Note: This is a brief excerpt for context. Click below to read the full article on the original source.

Under a select set of circumstances (which we're in now), this predictive indicator has never been wrong, dating back to January 1871.

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Full article on Yahoo Finance
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Original article published by Yahoo Finance on February 8, 2026.
Analysis and insights provided by AnalystMarkets AI.