Jamie Dimon is drawing comparisons between today's markets and the years leading up to the 2008 financial crisis, warning that some financial firms are "doing some dumb things" that could increase the risk of another downturn.

Speaking at JPMorgan Chase's 2026 investor update, Dimon pointed to rising asset prices, aggressive competition and elevated borrowing as echoes of pre-crisis conditions, while emphasizing that JPMorgan remains disciplined in its risk management.

Acknowledging the uncertainty around what could trigger the next cycle, Dimon said, "My anxiety is high over it. I'm not assuaged by the fact that asset prices are high. In fact, I think that adds to the risk."

He suggested some investors may be too comfortable with current market conditions, drawing parallels to 2005–2007, when many firms were heavily leveraged and generating strong profits.

Dimon also highlighted global competition among banks, noting that some competitors appear willing to take on greater risk to maintain market share and grow earnings. Part of this effort often involves chasing net interest income, the difference between what banks rake in on loans and investments and what they pay depositors.

Rising rates can make NII more lucrative, but pursuing it too aggressively can increase exposure to risky borrowers or sudden rate shifts — a tension Dimon flagged as a potential destabilizer.

The JPMorgan CEO also raised caution about potential disruption in the credit and technology sectors. While JPMorgan remains cautious in lending, Dimon noted that other firms are taking aggressive steps to grow earnings. He warned that surprises often emerge in industries previously considered stable, suggesting AI and software could be focal points of market stress.

Dimon's warnings are grounded in historical experience. In October, he flagged weaknesses in the private credit market after subprime auto lender Tricolor and parts manufacturer First Brands filed for bankruptcy amid allegations of financial fraud. JPMorgan later recorded a $170 million impairment charge on its loan to Tricolor.

"My antenna goes up when things like that happen," he said. "When you see one cockroach, there are probably more."

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