How the Iran Conflict May Affect the Markets
Recent joint airstrikes by the United States and Israel against Iran, and the subsequent escalation in the region, have introduced renewed volatility into global markets. While markets were mostly flat immediately following the initial news, the Dow dropped more than 1,200 points intraday before recovering a portion of those losses.¹
In moments like this, headlines move quickly. Emotions can move even faster.
Our role, however, is not to react to headlines. It is to interpret them carefully, filter out noise, and evaluate what, if anything, requires action within your financial plan.
Before discussing the markets, it is worth acknowledging the human reality. Conflicts carry consequences far beyond economics. While this piece focuses on financial implications, we remain mindful that the human cost always matters more than market performance.
With that perspective in place, the central question becomes: What does this mean for investors?
How Markets Historically Respond to Geopolitical Conflict
No one has a crystal ball. But market history shows that geopolitical shocks tend to follow a recognizable pattern.
First comes the initial reaction. Uncertainty rises. Risk-averse investors often sell quickly. Markets dislike disruption, and conflict introduces questions about trade, supply chains, corporate earnings, and global stability. Volatility increases accordingly.
Then, one of two paths usually unfolds:
- If the conflict resolves relatively quickly, markets often rebound as investors regain confidence and reallocate capital.
- If the conflict persists, investors gradually absorb the information and incorporate it into broader economic expectations. What initially feels seismic becomes one factor among many influencing the market.
In both cases, volatility has historically proven temporary.
Consider a few examples:
- During the Cuban Missile Crisis in 1962, one of the most dangerous geopolitical standoffs in history, the Dow declined just 1.2% during the thirteen-day crisis and finished the year up approximately 10%.³
- When Iraq invaded Kuwait in 1990, the Dow fell more than 18% in the immediate aftermath, only to recover fully within months.⁴
- When Israel struck Iranian facilities last year, markets declined sharply but rebounded quickly.²
A broader study of forty major geopolitical events over the past 85 years found that while the S&P 500 declined an average of 0.9% in the month following such events, it rose an average of 3.4% over the subsequent six months.⁵
The pattern is not perfect, but it is instructive.
Why Energy Markets Deserve Attention
While equity markets often adjust and stabilize, the more significant variable in this conflict may be oil.
Iran produces approximately 4.5% of the world’s oil supply and holds one of the largest natural gas reserves globally.⁸ More importantly, Iran controls the northern bank of the Strait of Hormuz--a critical global shipping route through which approximately 20.9 million barrels of oil pass each day, representing about 20% of global consumption.⁹
Even temporary disruptions to that corridor can lead to price spikes.
We saw this dynamic in 2022 when Russia invaded Ukraine. Energy prices surged initially but eventually normalized as markets adjusted and alternative supply channels developed.⁶
At present, the Strait of Hormuz remains open, though some energy facilities in the region have experienced interruptions and certain shipping companies have suspended activity. Any prolonged disruption could place upward pressure on oil prices.
Higher energy prices can ripple outward--influencing transportation costs, food prices, supply chains, inflation expectations, interest rates, and ultimately corporate earnings.
That is where we are focusing our attention.
Perspective in Periods of Uncertainty
While this conflict is significant, it is important to separate two realities:
- Geopolitical events can create short-term volatility.
- Short-term volatility does not automatically translate into long-term market damage.
Uncertainty often triggers overreaction. Investors who make long-term decisions based on short-term emotion frequently lock in losses that patience would have recovered.
Headlines evolve by the hour. Markets digest information far faster than most investors can react to it. By the time a fear-driven decision is implemented, the circumstances that prompted it may have already shifted.
Our discipline is built specifically for environments like this.
We do not ignore risk.
We do not dismiss uncertainty.
But we also do not allow noise to dictate strategy.
Our Approach
We continue to monitor:
- Energy markets and shipping activity
- Inflation expectations
- Interest rate implications
- Broader global economic signals
If developments materially alter the economic landscape, we will respond deliberately--either to manage risk or to take advantage of opportunity.
Until then, our focus remains unchanged: disciplined allocation, diversification, and alignment with long-term financial goals.
Periods of volatility are uncomfortable. They always are. But history consistently reminds us that markets are resilient, adaptive systems.
As financial advisors, our responsibility is to help you move through uncertainty with clarity and confidence.
If you have questions about how current events intersect with your financial plan, we welcome the conversation.
References
1 “Dow is down just 300 points after earlier 1,200-point loss,” CNBC, www.cnbc.com/2026/03/02/stock-market-today-live-updates.html
2 “S&P 500 turns positive in dramatic comeback,” CNBC, www.cnbc.com/2026/03/01/stock-market-today-live-update.html
3 “How Markets Respond to Geopolitical Crises,” A Wealth of Common Sense, awealthofcommonsense.com/2017/06/how-markets-respond-to-geopolitical-crises/
4 “Stock Market History: More Ups Than Downs,” Forbes, September 27, 2017. www.forbes.com/sites/johndobosz/2017/09/20/stock-market-history-more-ups-than-downs/?sh=71324c093951
5 “What Happens if the US Attacks Iran?” Carson Group, February 25, 2026. www.carsongroup.com/insights/blog/what-happens-if-the-us-attacks-iran/
6 “Oil market has fully absorbed impact of Russia’s invasion of Ukraine,” Reuters, www.reuters.com/business/energy/oil-market-has-fully-absorbed-impact-russias-invasion-ukraine-kemp-2023-03-09/
7 “As Mideast conflict widens, US says attacks on Iran will last weeks,” AP News, apnews.com/article/iran-israel-us-03-02-2026-cb42936de1d8c261be8f30f11c6665fa
8 “Iran’s main oil and gas production and infrastructure,” Reuters, www.reuters.com/world/middle-east/an-overview-irans-energy-industry-infrastructure-2026-02-28/
9 “The Strait of Hormuz crisis explained,” CNBC, www.cnbc.com/2026/03/02/strait-of-hormuz-crisis-us-iran-israel-war-shipping-trade-oil.html
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