JPMorgan's Dimon Warns Iran War May Drive Inflation and Interest Rates Higher

CEO says conflict risks oil and commodity price shocks that could keep inflation sticky and push rates up more than expected.

Apr. 6, 2026 at 10:03am

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JPMorgan Chase CEO Jamie Dimon warned that the war in Iran could lead to oil and commodity price shocks, keeping inflation high and pushing interest rates higher than the market currently expects. Dimon said the private credit sector 'probably' does not present a systemic risk, despite recent investor pullback, but cautioned that losses on leveraged lending will be higher than expected as credit standards have weakened. He also criticized proposed revisions to bank capital rules as 'very flawed'.

Why it matters

Dimon's warning highlights the potential economic fallout from an escalation of tensions with Iran, which could disrupt global energy supplies and exacerbate inflationary pressures. This could force the Federal Reserve to raise interest rates more aggressively, potentially leading to a slowdown in economic growth.

The details

In his annual letter to shareholders, Dimon said the war in Iran risks oil and commodity price shocks that could keep inflation 'sticky' and push interest rates higher than the market currently expects. He also warned that the private credit sector 'probably' does not present a systemic risk, but cautioned that losses on all leveraged lending will be higher than expected as credit standards have weakened. Dimon also criticized proposed revisions to bank capital rules as 'very flawed', saying JPMorgan's GSIB surcharge would only fall to 5%, a figure he called 'absurd' and 'un-American'.

  • On Monday, April 6, 2026, JPMorgan Chase CEO Jamie Dimon issued his annual letter to shareholders.

The players

Jamie Dimon

The CEO of JPMorgan Chase, the largest U.S. bank, who has run the company for two decades.

Donald Trump

The former U.S. President who ratcheted up pressure on Iran, threatening to target its power plants and bridges if it does not reopen the Strait of Hormuz.

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What they’re saying

“Now, because of the war in Iran, we additionally face the potential for significant ongoing oil and commodity price shocks, along with the reshaping of global supply chains, which may lead to stickier inflation and ultimately higher interest rates than markets currently expect.”

— Jamie Dimon, CEO, JPMorgan Chase

“The challenges we all face are significant, citing geopolitical risks such as the war in Ukraine, broader hostilities in the Middle East and tension with China.”

— Jamie Dimon, CEO, JPMorgan Chase

What’s next

The Federal Reserve will be closely monitoring the situation in Iran and its potential impact on inflation and interest rates as it considers future monetary policy decisions.

The takeaway

Dimon's warning underscores the significant economic risks posed by geopolitical conflicts, which can disrupt global supply chains, drive up commodity prices, and force central banks to take more aggressive action to combat inflation, potentially leading to slower economic growth.