This podcast episode on market volatility was produced with the assistance of artificial intelligence. The content, discussion, and dialogue are based on an article from Charles Schwab. Although the podcast features two voices discussing the topic, please note that the conversation is AI-generated and not conducted by real people. The AI has been trained to simulate realistic conversations based on the given information. Additionally, the information discussed in this podcast is for general informational purposes only. This content addresses historical results following past market downturns. Past performance is not a guarantee of future results. While information in this content comes from reliable sources, no guarantee of accuracy or completeness is provided. The content is not intended as financial advice or a solicitation for securities transactions, and it should not be considered personalized advice or a substitute for professional consultation. Always consult a qualified expert or professional for advice on your specific situation.
Summary
Analysis of stock market data from 1975 through 2025 reveals that while market volatility is a persistent and unavoidable feature of investing, disciplined, long-term participation historically results in positive returns. Despite frequent significant drawdowns—averaging 15% annually—the S&P 500 Index (SPX) typically recovers to new highs within months rather than years. Historical data on military conflicts further support this trend, showing that markets often rise within a year of the onset of hostilities, provided the broader economy is not already in a downturn. The primary risks to long-term wealth accumulation are not market fluctuations themselves, but rather the failure to stay invested, as missing even a few of the market’s top-performing days can drastically reduce annual returns.
Statistical Analysis of Market Volatility (1975–2025)
A comprehensive 50-year study of the S&P 500 Index demonstrates that significant declines are a regular occurrence in the equity markets. Investors should view these “drawdowns” (peak-to-trough declines) as a standard cost of market participation.
Frequency and Severity of Drawdowns
- Annual Average: The average maximum drawdown within a single calendar year is approximately 15%.
- Bear Markets: In nearly 1 out of every 3 years (14 of 50), the maximum drawdown reached or exceeded 20%.
- Severe Declines: A drawdown of 30% or more occurred roughly once every 10 years (5 times in the 50-year period).
- Rolling Periods:
- Two-Year Windows: There is a 50% chance of a 20% or greater decline within any two-year period.
- Five-Year Windows: In 21 of the 50 five-year rolling periods, the maximum drawdown exceeded 30%.
Recovery Timelines
Despite the frequency of declines, market recoveries are historically rapid.
- Short-Term Recovery: In approximately one-third of single-year drawdowns, the SPX surpassed its previous high by the end of the following month.
- Medium-Term Recovery: In 39 of the 50 drawdowns studied, a new high was reached within five months.
- Long-Term Recovery: Only seven instances required a year or longer to reach a new high.
| Investment Horizon | Average Maximum Drawdown | Average Months to New High |
| One calendar year | 15% | 7.7 |
| Two consecutive years | 21% | 11.0 |
| Five consecutive years | 31% | 17.0 |
Impact of Military Conflicts on U.S. Equities
The Schwab Center for Financial Research (SCFR) examined 12 major military conflicts from World War II through the 2023 Israel-Hamas war. The findings suggest that geopolitical instability rarely dictates long-term market direction.
Key Findings
In nine of the 12 scenarios analyzed, the S&P 500 was higher one year after the conflict began. Markets often stabilize and grow despite the initial shock of war.
Exceptions and Economic Context
The three instances where the market failed to rise after one year occurred when conflicts coincided with existing economic or market stressors:
- World War II (1939): The U.S. was still struggling to emerge from the Great Depression.
- War in Afghanistan (2001): The conflict began during the post-dot-com-bubble bear market and shortly after the 9/11 attacks.
- Russian Invasion of Ukraine (2022): The invasion occurred during a period of surging multi-decade high inflation and aggressive Federal Reserve rate hikes.
Note: The 1973 Yom Kippur War, though not part of the 12 studied scenarios, saw a 43% decline in the SPX over 12 months, primarily due to the triggered Arab oil embargo and a quadrupling of oil prices.
The Risks of Market Timing
Attempting to time the market to avoid volatility is historically counterproductive. Because the average bear market lasts slightly more than a year, investors with horizons longer than three years risk significant opportunity costs by exiting the market.
The Cost of Missing Top-Performing Days
Data from 2006 to 2025 illustrates the impact of missing just a few days of significant gains:
- Fully Invested: 11.0% annual return.
- Excluding Top 10 Days: 6.6% annual return.
- Excluding Top 30 Days: 1.6% annual return.
Mitigation Strategies for Volatility
To withstand market fluctuations without compromising long-term goals, research suggests focusing on strategic asset allocation and liquidity management.
Portfolio Balancing
A balanced portfolio incorporating bonds significantly mitigates the severity of drawdowns:
- The Great Recession (2007–2009): The SPX dropped 51%, while a 60/40 stock-bond portfolio declined only 31%.
- COVID-19 Sell-off (2020): The SPX fell 20%, whereas a 60/40 portfolio fell 11%.
Core Principles for Enduring Volatility
- Strategic Asset Allocation: Aligning risk with time horizons and return needs is essential.
- Cash Reserves: Maintaining sufficient cash helps prevent the need to sell volatile assets during market lows.
- Global Diversification: Diversified portfolios of stocks and bonds have historically generated positive returns over the long term, regardless of specific market events.
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