Here's how long an oil shock-driven bear market lasts on average

• The worst oil shock bear market occurred in January 1973 during the OPEC embargo, lasting 21 months with a 48% S&P 500 decline, while the 1956 Suez Crisis and 1990 Kuwait invasion saw more modest drops of 21.6% and 19.9%.
• High oil prices act as a 'functional tax' reducing consumer spending on non-essentials and triggering inflationary pressures that push interest rates higher, making borrowing more expensive.
• The S&P 500 has only declined roughly 2% as of last Friday, but rising 10-year Treasury yields suggest markets are pricing in a more restrictive economic environment as the Strait of Hormuz remains paralyzed.

Summary

Key Development: US oil prices surged to nearly $120 per barrel this week amid escalating US-Iran conflict before retreating, raising concerns about a potential bear market on Wall Street.

Historical Analysis: CFRA Research examined oil shock-driven bear markets, revealing that of 18 bear markets since the Great Depression, only three were primarily caused by oil shocks. These energy-led downturns averaged approximately 13 months in duration with just under 30% declines in the S&P 500.

Notable Examples:

• 1973 OPEC Embargo: Most severe case lasting 21 months with a 48% S&P 500 plunge after oil prices quadrupled
• 1956 Suez Crisis: 21.6% decline
• 1990 Kuwait Invasion: 19.9% decline, lasting only three months

Market Impact Mechanism: High energy prices function as an economic "tax," reducing consumer spending on non-essentials while triggering inflationary pressures. This leads to higher interest rates, increased borrowing costs, and reduced loan demand—a dual threat to equities.

Current Situation: As of last Friday, the S&P 500 has declined roughly 2%, while rising 10-year Treasury yields suggest markets are pricing in a more restrictive economic environment. Western Texas Intermediate (WTI) futures experienced significant volatility following US-Iran hostilities.

Outlook: CFRA Chief Investment Strategist Sam Stovall warns that each crisis is unique, making predictions difficult. The duration of current market volatility will likely depend on how quickly the Middle East crisis—particularly the paralyzed Strait of Hormuz—is resolved. Analysts cannot determine whether this will result in a "garden variety" bear market (20-39.9% decline) or more severe downturn.