March 30, 2026

Do Wars Crash the Stock Market? What History Actually Shows

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When Headlines Get Loud, Decisions Get Hard

Missile strikes. Escalation. Oil disruptions.

When headlines like this dominate the news, it’s natural to feel uneasy—especially if you’re approaching or already in retirement. A common question follows quickly:

Should I be doing something with my portfolio right now?

That reaction is reasonable. But when emotions rise, it’s worth stepping back and asking a more grounded question:

What has actually happened to markets during times like this before?

Why This Matters More Than It Seems

Moments like this don’t just test markets—they test investor behavior.

The real risk isn’t just what happens in the economy or markets. It’s how people respond to uncertainty. History shows that decisions made in reaction to fear—especially short-term fear—often do more damage than the events themselves.

That’s why understanding the pattern matters.

What History Shows About Markets During War

If you look across major conflicts—World War I and II, Vietnam, the Gulf War, 9/11, Iraq, Afghanistan, and more recent geopolitical tensions—there’s a consistent pattern:

1. Markets react quickly at first
There’s usually an initial shock. Markets tend to decline in the short term, often in the range of roughly 3–9%. Volatility increases as investors reassess risk.

2. Information gets priced in fast
Markets don’t wait. By the time most investors are processing the news, much of it has already been reflected in prices. This is why reacting after the fact often leads to poor timing.

3. Stability tends to follow the shock
After the initial reaction, markets often stabilize. In some cases, they become less volatile than expected once uncertainty begins to clear.

4. Long-term outcomes depend on fundamentals—not headlines
Over time, markets don’t move based on fear. They move based on:

  • Economic growth
  • Corporate earnings
  • Innovation and productivity
  • Interest rates and inflation

Wars can influence these factors, but they rarely override them entirely—especially for a diversified, long-term investor.

Why Trying to “React” Usually Backfires

There’s a natural instinct during uncertain times:

  • Markets fall → move to cash
  • Wait until things feel safe → reinvest

That instinct makes sense from a human perspective. But markets don’t operate on feelings—they operate on expectations.

By the time things feel safe again, markets have often already recovered. The result is selling low and buying back higher, even if unintentionally.

A More Useful Way to Think About It

Instead of asking “What should I do right now?”, a better question is:

“Is my portfolio built to handle environments like this?”

Because in reality, only a few broad outcomes tend to come from geopolitical events:

  • Economic growth strengthens or weakens
  • Inflation rises or falls

That’s it.

A thoughtful portfolio isn’t built to predict which outcome will happen next. It’s built to remain functional across all of them.

How a Thoughtful Portfolio Accounts for This

Rather than trying to time events like wars or geopolitical conflict, a more durable approach focuses on positioning:

  • Some assets benefit when growth is strong
  • Others hold up better when growth slows
  • Some protect against rising inflation
  • Others provide stability when markets are volatile

For example, in environments where inflation rises due to disruptions (like energy supply), certain fixed income structures—such as floating-rate instruments—can adjust and maintain income levels. Other parts of a portfolio may focus more on stability and capital preservation.

The goal isn’t to eliminate volatility. It’s to avoid being overly exposed to any single outcome.

The Takeaway

War and geopolitical conflict can create short-term uncertainty in markets. That part is real.

But history suggests something equally important:

Markets tend to move past the initial shock and refocus on fundamentals.

For investors, the bigger risk is often not the event itself—but reacting to it in a way that disrupts a long-term plan.

A Final Thought

If you’re feeling uneasy about how current events might impact your portfolio, that’s not something to ignore. But it’s also not something that automatically requires action.

Sometimes the better move is not to change direction—but to confirm that the direction already makes sense.

If you’re thinking through a decision like this and want a second perspective, we’re happy to help.

Authors:

Ryan Wyatt, CFP®, CIMA®

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This communication is provided by Wyze Wealth Advisors LLC, a registered investment adviser. All material is for informational and educational purposes only and should not be considered personalized investment advice or a recommendation regarding any specific security, strategy, or product.

The assumptions and scenarios presented are illustrative and do not reflect actual investment results. Projections are based on current market conditions, which may change. Past performance is not indicative of, and does not guarantee, future results. All investments involve risk, including the potential loss of principal.

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