What the Extended Conflict Could Mean for Inflation, the Economy, Investors, and the Petrodollar
For years, the United States economy has benefited from something Americans often take for granted: relatively abundant energy. The shale revolution transformed the United States from a nation deeply dependent on imported oil into one of the world’s largest energy producers. That development provided an important economic buffer against geopolitical instability.
But the extended war involving Iran, the disruption of energy flows through the Strait of Hormuz, and President Trump’s warning that Americans may have to accept higher gasoline prices have changed the economic conversation.
The issue is no longer simply whether gasoline costs another 50 cents or $1 per gallon.
The more important question is whether the world is entering a period in which energy becomes structurally more expensive, inflation becomes more difficult to control, interest rates remain elevated, and the United States is forced to rethink how much protection its strategic petroleum reserves can realistically provide.
There is also a larger geopolitical question: Will these events threaten the dominance of the U.S. dollar and the so-called petrodollar system?
My view is that the risks are real, but the answer is more complicated than the popular narrative suggests. America is not about to lose the dollar’s reserve currency status overnight. However, a prolonged war, continued weaponization of economic sanctions, higher government debt, elevated inflation, and an increasingly fragmented global energy market could gradually accelerate the world’s move toward a more diversified monetary system.
In other words, the dollar probably does not suddenly collapse. But its dominance could slowly erode at the margins.
And for investors and consumers, the economic consequences could be significant.
The Strait of Hormuz Is the Center of the Problem
The economic importance of the conflict begins with geography.
The Strait of Hormuz is one of the world’s most important energy chokepoints. A substantial portion of globally traded oil and liquefied natural gas normally moves through this narrow waterway.
As of August 18, 2026, the conflict and breakdown of diplomatic efforts have severely disrupted traffic through the strait. Reuters reported that oil shipments through Hormuz had fallen dramatically from pre-war levels, while Middle Eastern oil exports have been substantially reduced. Markets are increasingly pricing the disruption as a potentially prolonged problem rather than a brief geopolitical scare.
This distinction is critical.
Financial markets can generally tolerate a temporary geopolitical shock. If oil spikes for a few days or weeks and then falls back, consumers and businesses can absorb much of the impact.
But a persistent supply disruption is different.
When companies begin to believe that higher energy costs will remain for six months, one year, or longer, they begin changing behavior. Airlines raise fares. Trucking companies increase surcharges. Manufacturers raise prices. Farmers face higher diesel and fertilizer costs. Retailers pass transportation expenses through to consumers.
Eventually, the price of oil stops being just an energy story.
It becomes an economy-wide inflation story.
Recent market data already reflects those concerns. Brent crude has traded above $90 per barrel amid renewed fears that the Hormuz disruption could persist, while diesel prices and refining margins have risen sharply. At the same time, higher inflation expectations have contributed to pressure on long-term bond yields.
Trump’s Warning About Higher Gas Prices May Be More Important Than It Sounds
President Trump has publicly acknowledged that Americans may have to tolerate higher gasoline prices as a consequence of the conflict. Reuters reported that gasoline prices were substantially higher than a year earlier as the war disrupted energy flows.
Politically, this is an unusual position.
Presidents generally try to convince voters that higher energy prices are temporary and that relief is coming. Saying, in effect, that Americans may have to get used to higher prices acknowledges a more uncomfortable possibility: the government may not have a quick solution to this supply shock.
The United States can increase domestic production over time. Other countries can redirect some exports. Strategic reserves can be released.
But none of these solutions instantly replaces millions of barrels per day if a major global shipping corridor remains severely disrupted.
This is particularly important because the United States may produce large amounts of oil, but the American economy is not completely insulated from global energy prices.
Oil is a global commodity.
A refinery in the United States may use a different grade of crude than what is being produced in Texas or North Dakota. The United States also exports significant quantities of crude and petroleum products. American consumers therefore remain exposed to disruptions in the global oil market.
Being energy powerful does not mean being completely immune from energy inflation.
The Strategic Petroleum Reserve: A Cushion, Not a Permanent Solution
One of the most important issues moving forward is the condition of the U.S. Strategic Petroleum Reserve, or SPR.
The SPR was created as an emergency energy security tool. It was never designed to permanently replace a major disruption in global oil production.
That distinction matters.
Recent reporting indicates that emergency stockpiles have already been used extensively during the current conflict. Reuters reported that the SPR is at historically low levels and that only a portion of the remaining inventory may be immediately accessible because of infrastructure limitations. In a prolonged supply disruption, the reserve can help buy time, but it cannot indefinitely substitute for lost global production.
Think of the SPR as an emergency savings account.
If you have $100,000 in savings and lose $5,000 per month of income, your savings account can help you survive the crisis. But eventually, the underlying income problem must be fixed.
The same principle applies to oil.
Releasing crude from the SPR can temporarily increase supply and reduce panic. But eventually the United States must either:
- Restore disrupted international supply.
- Increase domestic and allied production.
- Reduce consumption.
- Find alternative energy sources.
- Or accept structurally higher energy prices.
And here is the difficult part: rebuilding the reserve could itself put upward pressure on future oil demand.
If the government eventually decides that the SPR must be replenished, the United States becomes a large buyer of crude oil. Depending on market conditions, that purchasing could support prices rather than reduce them.
Therefore, the depletion of the SPR creates a potential two-stage problem.
First, the country has less emergency protection during the current crisis.
Second, rebuilding that protection could become expensive.
Could America Actually Run Out of Oil?
No. This is an important distinction.
The United States is not running out of oil.
The concern is not geological scarcity. America remains a major producer of crude oil.
The problem is available supply versus immediate demand and infrastructure constraints.
A barrel of oil sitting underground in Texas is not the same thing as a barrel of the specific crude needed at a particular refinery today. Production takes investment, labor, equipment, pipelines, transportation, and time.
Furthermore, oil companies make production decisions based on expected profitability.
If companies believe that a war-related spike to $100 oil will disappear in six months, they may be reluctant to spend billions of dollars on long-term drilling projects.
This creates an interesting paradox.
Consumers may say, “Oil prices are high, so why don’t American producers simply pump more?”
The answer is that energy companies are making investment decisions based on where they believe prices will be in several years, not just where they are this week.
That means a prolonged conflict could eventually encourage more domestic production, but the response may not be immediate enough to protect consumers from the initial inflationary shock.
The Greatest Economic Risk: Stagflation
In my opinion, the greatest economic danger is not simply inflation.
It is stagflation.
Stagflation occurs when an economy experiences:
- Higher inflation
- Slower economic growth
- Weak consumer confidence
- And potentially rising unemployment
This is a particularly difficult environment because the Federal Reserve faces a policy dilemma.
Normally, if the economy weakens, the Fed can reduce interest rates to stimulate borrowing and spending.
But if inflation is simultaneously rising because of oil and energy prices, cutting interest rates could make inflation worse.
Conversely, if the Fed raises rates aggressively to fight inflation, it could further weaken the economy.
That is why energy-driven inflation is particularly dangerous.
The July 2026 inflation data showed headline inflation at approximately 3.4% year-over-year, while geopolitical uncertainty and higher energy costs remain major risks to the inflation outlook. At the same time, consumer spending has shown signs of caution, creating exactly the kind of environment policymakers do not want: an economy that is slowing while price pressures remain elevated.
The bond market is also sending a warning.
Long-term Treasury yields have risen significantly, reflecting a combination of inflation concerns, government borrowing, and uncertainty about demand for U.S. government debt. Higher yields translate into higher mortgage rates, more expensive business borrowing, and greater interest costs for the federal government.
This creates a potentially dangerous feedback loop:
Higher oil prices → higher inflation → higher interest rates → weaker consumer spending → slower economic growth.
What Happens to the Stock Market?
The stock market could become increasingly divided.
Historically, periods of higher oil prices tend to create winners and losers.
Potential beneficiaries could include:
- Energy producers
- Pipeline companies
- Certain defense contractors
- Commodity producers
- Companies with strong pricing power
- Some infrastructure businesses
Potentially vulnerable areas could include:
- Airlines
- Transportation companies
- Consumer discretionary businesses
- Highly indebted companies
- Long-duration technology stocks
Technology and other growth-oriented stocks can be particularly sensitive to rising interest rates because a larger percentage of their valuation depends on earnings expected far into the future.
When long-term Treasury yields rise, those future profits are discounted more heavily.
Recent market action reflects this pressure, with technology shares weakening as oil prices and bond yields increased, while energy-related sectors have benefited from higher crude prices.
That does not mean investors should panic and sell technology stocks.
It means diversification may become more important.
The market environment of the last decade rewarded investors who simply owned a handful of dominant growth companies. The next several years could require a broader approach.
Investors may need exposure to companies that can survive inflation, generate current cash flow, and benefit from capital spending, infrastructure development, energy production, and national security priorities.
What About the Petrodollar?
This is perhaps the most interesting long-term question.
The term “petrodollar” generally refers to the role of the U.S. dollar in global energy markets. For decades, oil has predominantly been priced and traded in dollars. Countries purchasing oil often needed access to dollars, which helped create consistent global demand for the U.S. currency.
But the dollar’s global dominance is about much more than oil.
The United States also benefits from:
- The world’s largest and deepest capital markets
- The enormous U.S. Treasury market
- A highly developed banking system
- Strong legal and financial infrastructure
- A convertible currency
- Global trust in the liquidity of dollar-denominated assets
Therefore, even if more oil begins trading in Chinese yuan, euros, or other currencies, that does not automatically mean the dollar loses reserve currency status.
The more realistic scenario is gradual diversification.
China has been actively trying to expand the use of the yuan in international trade. Sanctions have also encouraged countries that fear future restrictions to develop alternative payment systems and reduce their dependence on the dollar.
The Iran conflict could accelerate that process.
Why?
Because geopolitical fragmentation encourages countries to think about economic security.
If governments believe that access to the dollar-based financial system can be restricted during a political conflict, they have an incentive to develop alternatives.
That does not mean those alternatives will replace the dollar tomorrow.
The Chinese yuan has significant limitations, including capital controls and concerns about transparency. The eurozone lacks the same unified fiscal and sovereign bond market as the United States.
No realistic competitor currently matches the combination of liquidity, scale, and global infrastructure provided by the U.S. dollar.
But the dollar does not need to collapse for its dominance to decline.
The bigger risk is a slow transition from a world dominated overwhelmingly by the dollar into a world where trade is increasingly conducted using multiple currencies.
In my opinion, the Iran conflict alone will not destroy the petrodollar.
However, the combination of geopolitical conflict, sanctions, rising U.S. debt, persistent inflation, and foreign efforts to build alternative financial systems could gradually weaken the dollar’s relative dominance over the next decade.
That is a much more realistic risk than an overnight collapse.
Where Could the Economy Be One to Two Years From Now?
Nobody can predict this with certainty, but I see three broad scenarios.
Scenario One: The War Ends and Oil Normalizes
This is the most optimistic outcome.
A negotiated settlement restores shipping through the Strait of Hormuz. Oil supplies gradually normalize. The United States and other countries rebuild emergency inventories.
Under this scenario, oil prices could decline substantially from crisis levels.
Inflation would moderate, consumer confidence could recover, and the Federal Reserve would have more flexibility to reduce interest rates if economic growth weakened.
This could produce a surprisingly strong environment for stocks and bonds over the next one to two years.
Scenario Two: A Long, Contained Conflict
This may be the most likely economic risk scenario.
The war continues, but it does not expand into a broader global conflict. Energy transportation remains disrupted, and oil prices remain structurally elevated.
In this environment, the United States could experience:
- Inflation above the Federal Reserve’s target
- Slower economic growth
- Elevated Treasury yields
- Higher mortgage and borrowing costs
- Weak consumer confidence
- Continued market volatility
This would not necessarily create a catastrophic recession.
Instead, it could create an economy that simply feels difficult.
Consumers would continue spending, but cautiously. Businesses would invest selectively. Housing would remain expensive. Interest rates would stay higher than many investors expect.
In other words, the economy could experience several years of slow growth and stubborn inflation.
Scenario Three: A Major Escalation
The worst scenario would involve a wider regional war that causes a sustained and severe reduction in Middle Eastern energy exports.
In that environment, oil could move dramatically higher, potentially creating a much more serious inflation shock.
The Federal Reserve would face an extremely difficult choice between protecting economic growth and fighting inflation.
Consumer spending would likely weaken significantly.
Corporate profits could decline.
Financial markets could experience a major correction.
And governments around the world would face increased pressure to intervene.
This is the scenario investors hope never materializes.
The Bottom Line for Investors
The most important takeaway is that the extended Iranian conflict may represent more than another temporary geopolitical headline.
The economic consequences depend heavily on duration.
A short disruption can be absorbed.
A six-month disruption creates inflation.
A multi-year restructuring of global energy trade could reshape investment markets, interest rates, government budgets, and international monetary relationships.
The depletion of America’s Strategic Petroleum Reserve should also be understood correctly. The United States is not running out of oil, but it has reduced one of its most important emergency buffers. That means future disruptions could be more difficult and potentially more expensive to manage. Reuters has reported that remaining accessible emergency reserves are limited relative to the scale of a prolonged global supply shortfall.
As for the petrodollar, I do not believe the dollar is about to lose its position as the world’s dominant reserve currency.
The dollar’s strength is supported by much more than oil.
However, the world is gradually becoming more economically fragmented. China, Russia, Iran, and other countries have incentives to develop alternatives to the dollar-based financial system. Every major geopolitical conflict and every expansion of financial sanctions may provide additional motivation to do so.
The likely future is not a sudden end of the dollar.
It is potentially a slow evolution toward a more multipolar global monetary system.
For investors, that means the next several years may look very different from the previous decade.
Higher inflation may become more common.
Interest rates may remain structurally higher.
Energy and commodities may become strategically more important.
Government debt may place additional pressure on bond markets.
And diversification—across asset classes, sectors, geographies, and sources of return—could become increasingly important.
The biggest mistake investors can make is assuming that the economic environment of the last 10 or 15 years will automatically repeat itself.
The Iran war, the disruption of global energy markets, the pressure on America’s emergency oil reserves, and the growing competition between the United States and China may be signaling something larger.
We may be entering an era in which energy security, national security, fiscal discipline, and monetary power become major investment themes once again.
The next one to two years will depend largely on whether the conflict is resolved or becomes entrenched. But one thing appears increasingly clear: the economic consequences of this conflict will not be limited to the Middle East.
They are already reaching American gas stations, bond markets, consumer budgets, and investment portfolios.
And if the disruption continues, the question may no longer be whether Americans will have to get used to higher oil prices.
The much bigger question will be whether the global economy must get used to an entirely new economic reality.