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RBC: Oil's 7-Sigma Shock Puts S&P at Risk of 20% Drop

By MarketWatch · Summarized & edited by · 2026-03-18
RBC: Oil's 7-Sigma Shock Puts S&P at Risk of 20% Drop

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Why it matters: Equity investors are facing a historically asymmetric setup: a VIX surge of this magnitude has coincided with 5-15% S&P declines far more often than gains, even as oil prices are already absorbing a 7-sigma event and betting markets give only a 25% chance the Strait of Hormuz reopens by April. If the Iran conflict extends and the vol shock spreads from energy into the rest of the market, the 5-20% drawdown RBC flags becomes the base case rather than the tail.

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