Over the long term, Wall Street has established itself as one of the most effective wealth-generating mechanisms globally, with the S&P 500 demonstrating resilience by never declining over any rolling 20-year period. Other major indices, including the Dow Jones Industrial Average and the Nasdaq Composite, typically follow suit, often reaching record highs alongside the S&P 500. However, the market’s behavior in the short term can be unpredictable, particularly with the emergence of significant geopolitical events.
Recently, U.S. and Israeli military actions against Iran have raised concerns amongst investors regarding potential ramifications for the stock market. The pivotal question being asked is whether this conflict could trigger a market crash. While definitive predictions are challenging, historical context spanning nine decades offers some insight.
Throughout history, various geopolitical incidents, such as wars and terrorist attacks, have undeniably led to short-term market volatility influenced by emotional trading. However, stock market crashes have historically remained rare. Notably, one crucial factor that has heightened the risk of market downturns has been oil supply disruptions stemming from geopolitical tensions.
For instance, the 1973 oil embargo resulted in considerable turmoil within equity markets, with the S&P 500 experiencing a near 44% decline over approximately 11.5 months. Similarly, following Iraq’s invasion of Kuwait in 1990, the S&P 500 suffered a 13% drop within three weeks. Presently, the outbreak of hostilities and concerns over the Strait of Hormuz’s oil export status saw the price of West Texas Intermediate crude surge by 36% within a week, amplifying worries concerning inflation and economic contractions across various sectors due to rising fuel prices.
Evidently, while historical trends suggest that turbulence is a realistic expectation amid the Iran conflict, long-term economic data shows that maintaining a perspective is vital for investors. According to research by market strategist Ryan Detrick, the S&P 500 has risen 65% of the time one year after significant geopolitical events since World War II. This statistic reveals that, although average annual returns of 3% during such periods may appear lackluster, positive market behavior prevails more often than not.
Furthermore, analysis from Bespoke Investment Group indicates that the average bear market in the S&P 500 has lasted about 286 calendar days since the Great Depression, whereas bull markets have historically persisted for approximately 1,011 calendar days—nearly 3.5 times longer. Should a market crash occur in conjunction with the Iran war, historical patterns suggest such downturns could be brief, potentially presenting lucrative buying opportunities for long-term investors.
Given these factors, investors considering allocations to the S&P 500 are encouraged to evaluate alternative stocks touted by analysts. Recently, The Motley Fool’s Stock Advisor team highlighted ten top investment picks, which notably do not include the S&P 500. These selections are believed capable of generating substantial returns in the years to come, with historical examples showcasing remarkable growth potential in stocks like Netflix and Nvidia when recommended by their analyst team.
In conclusion, while current geopolitical developments present risks, historical evidence indicates that the stock market may be resilient in the face of such challenges, advising investors to maintain a balanced outlook and consider strategic opportunities.


