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Mark Chandik

Mar 9, 2026

The War and Its Impact – So Far

What is the efficient market theory? Textbooks have been written to fully explain the theory. But if we can sum it up in one sentence: Assets, such as stocks, reflect all publicly available information. It is a foundational principle of finance.

You might be wondering, “With everything happening in the world right now, why open this week’s Insights with a wonky principle straight from the halls of academia?”

Fair question—so let’s address it. When new information emerges about companies or economic indicators, investors quickly incorporate that data—prices change. So, major indexes rise or fall in response to that updated information. The same principle is happening right now.

Investors are viewing the war through an economic lens, and the unknowns make it difficult to fully price into equities. For example, how long will hostilities last? And what will happen to oil prices since the Strait of Hormuz—a key conduit for global oil—is closed?

Almost 20% of the world’s oil flows through the Strait, according to the International Energy Agency (IEA), or about 20 million barrels per day (bpd).

Investors are reacting to economic uncertainty stemming from oil disruptions, along with the possibility of higher inflation and slower economic growth. But not all assets considered a “safe haven” gained ground last week. Let’s review the table below.

Key asset Percent change since Feb 27, 2026
WTI Crude Oil +35.6%
Dollar vs Major Currencies +1.4%
10-year Treasury yield +0.18 percentage points*
Gold -1.7%
S&P 500 Index -2.0%

Data Source: MarketWatch, US Treasury Dept. as of 3/6/26
*The change in the 10-year yield is the difference in the yield on Mar. 6 versus Feb. 27.

Oil prices have surged, and the US dollar, long viewed as a safe haven during periods of global turmoil, has once again strengthened as global investors seek shelter.

Yet investors aren’t seeking safety in Treasury bonds. Remember, yields and bond prices move in the opposite direction. While Treasuries have traditionally served as a safe haven during periods of heightened uncertainty, inflation fears have limited their appeal in the current environment. Meanwhile, gold, typically a go-to hedge in periods of turmoil, finished the week lower.

Considering the scale of events unfolding in the Middle East, last week’s 2.0% decline in the S&P 500 looks relatively modest. It would suggest that at this time investors aren’t expecting an extended, disruptive war.

Dissecting oil’s rise

First, the US is the world’s largest producer of oil and natural gas. While natural gas prices have soared in Europe, they have been stable in the US. The US is a net exporter of natural gas, and the war has had little effect on domestic prices.

But oil doesn’t follow the same pattern. It’s far easier to transport globally than natural gas.
While there are alternative pipelines that could avoid the Strait, it amounts to roughly 5 million bpd, according to the IEA.

The silver lining: about 85% of that product found its way to Asia last year. Only about 3% made its way to the Americas. In 2025, all of Iran’s exports, about 1.6 million bpd, flowed to China.

Today, the US imports more oil than it exports (3.7 million bpd deficit), but it exports more refined products (gasoline, propane, diesel, etc.) than it imports (5.6 million bpd surplus), according to the US Energy Information Administration.  Simple math: the US is a net exporter.

While the US is probably immune to shortages, it’s not immune to higher prices. The price of a gallon of regular is up 41 cents per gallon over the last week to about $3.39 through March 6, according to Gasbuddy.com.

Will the administration and other nations release oil from their respective Strategic Petroleum Reserves? Currently, the US is reviewing its options, but there are no active discussions; in part, reserves were drawn down during 2022 and were only partially replaced.

For now, the IEA believes there are ample global reserves.

Final thoughts

Looking to the near term, volatility is likely to continue, and headlines, both encouraging and discouraging, could whipsaw trading.

Signs that oil is starting to move through the Strait or any talk of a deal that could end hostilities could create a powerful short-term tailwind for stocks.

Nonetheless, periods of geopolitical tension can unsettle markets, but they don’t normally alter the long-term trajectory of well-constructed financial plans. We’ll continue to monitor developments closely and keep you informed.

author avatar
Mark Chandik

Reproduction Prohibited without Express Permission. Copyright FDP Wealth Management. All rights reserved. Advisory Services offered through FDP Wealth Management, LLC, a state Registered Investment Adviser and Valmark Advisers, Inc. a SEC Registered Investment Advisor. Securities offered through ValMark Securities, Inc., Member FINRA/SIPC. 130 Springside Drive, Suite 300, Akron, OH 44333-2431 800.765.5201 Prosperity Partners and FDP Wealth Management, LLC are separate entities from ValMark Securities, Inc. and Valmark Advisers, Inc. Prosperity Partners, FDP Wealth Management, LLC, ValMark Securities, Inc., Valmark Advisers Inc., and their representatives do not offer tax advice. You should consult your tax professional regarding your individual circumstances. Indices are unmanaged and cannot be invested directly in. Past performance is not a guarantee of future results.

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