Every major conflict triggers the same headline: 'Markets plunge as tensions escalate.' What the headline rarely follows up with, two months later, is 'Markets recover to pre-war levels.' But that is what the historical data consistently shows — with important sector-level exceptions that matter a great deal depending on what you own.
The Historical Pattern
When the US entered the Korean War in June 1950, the S&P 500 fell 12% in the first week. It had fully recovered within 12 months. When Iraq invaded Kuwait in 1990, triggering the Gulf War, US markets fell 24% — but recovered entirely within six months of the war's end. The 9/11 attacks triggered a 14% drop that was erased within 30 days of markets reopening. The Russia-Ukraine invasion in February 2022 caused the S&P 500 to fall roughly 8–10% in the immediate aftermath — and it was back to pre-invasion levels within two months, even as the conflict continued.
The reason markets recover quickly is that investors are forward-looking. The initial drop prices in the worst-case scenario. When the worst case does not immediately materialize, the excess pessimism corrects. The economy keeps running, companies keep earning profits, and markets gradually price that in.
When the Recovery Does Not Come
There are exceptions. If the conflict is severe enough to genuinely disrupt global supply chains for an extended period — or if it drags major economies directly into recession — the recovery timeline stretches out. The 2022 energy crisis in Europe did not resolve quickly: European markets, particularly German industrials and energy-dependent sectors, underperformed for 18+ months because the energy price shock was real and sustained.
Similarly, if a conflict involves a country that is a major trade partner, the economic transmission is more severe. A US-China conflict would have a fundamentally different market impact than a conflict in a smaller economy, because the trade links are deeper.
Sector-Level Effects: What Actually Moves
While broad market indices typically recover, sector-level moves can be dramatic and lasting. The patterns are consistent across conflicts:
- —Defense stocks: Typically rise 15–35% in the months following a major conflict as defense spending expectations increase. Companies like Lockheed Martin, Raytheon, and BAE Systems historically see sustained gains, not just temporary spikes.
- —Energy stocks: Rise 20–40%+ during oil-supply-disrupting conflicts. This was dramatic in 2022: US energy stocks rose 60% for the year while the broader S&P fell 20%.
- —Airlines and tourism: Fall 20–40% during conflicts that affect major travel regions. Recovery depends on how long the disruption lasts.
- —European banks: Fell 25–35% in early 2022 due to Russia exposure. Some never fully recovered because of direct asset write-offs.
- —Agricultural companies: Rise when grain supply is disrupted. Fertilizer companies (Nutrien, Mosaic) gained 40–70% in 2022.
- —Gold: Typically rises 5–15% as a safe haven — but the gains are often temporary once the initial shock passes.
The Worst Mistake: Selling During the Panic
The data is clear on this point: selling during the initial conflict-driven panic is almost always the wrong move for long-term investors. The investors who sold the S&P 500 in February 2022 when Russia invaded Ukraine locked in a 10% loss that the market had recovered within 60 days. The investors who held — or bought during the dip — came out ahead.
The exception is if you have concentrated exposure to the specific region or sector affected. If your portfolio was 30% Russian equities in February 2022, selling was absolutely the right call. But for diversified global portfolios, the panic is typically overdone.
A Practical Checklist for Your Portfolio
- 1.Check your geographic exposure. Look at your equity funds and identify what percentage is in the conflict region. A 2–5% allocation that drops 50% is a manageable hit. A 20–30% allocation is a crisis.
- 2.Identify your sector exposure. Are you heavily weighted in sectors that historically get hit hard (airlines, regional banks, energy importers)? Or sectors that tend to benefit (defense, domestic energy)?
- 3.Do not make sudden large moves. If you decide to reduce exposure, do it in stages — you cannot time the bottom any better than the market can.
- 4.Consider small defensive tilts. A modest increase in energy, defense, or gold ETFs during escalating conflicts is historically supported. But keep it small (5–10% reallocation at most).
- 5.Look for the overreaction. When a conflict drives down a sector that is not directly exposed — for example, US tech stocks falling because of a European conflict — that can be a buying opportunity.
The Bottom Line
Markets are better than headlines at processing geopolitical risk. The initial drop typically overshoots reality, and the recovery is faster than most people expect. The risk is not in the broad market — it is in specific sectors and geographies. Know what you own, understand its exposure, and resist the panic that moves the crowd.