JPMorgan Chase CEO Jamie Dimon has issued a warning that leverage across key segments of the financial system is running at elevated levels.

Dimon identified prime brokerage, hedge funds, exchange-traded funds, and Treasury market arbitrage as areas where borrowing and position sizing have intensified, signaling potential fragility in the current market structure.

The remarks come as shares of JPMorgan Chase and Goldman Sachs have reached record levels, propelled by a surge in market activity linked to the artificial intelligence boom.

The rally underscores the strength of Wall Street’s investment banking and trading desks, yet Dimon’s comments introduce a counter-narrative regarding the sustainability of such momentum.

High leverage in these channels can amplify volatility if market conditions shift abruptly, posing risks to liquidity and stability.

This caution aligns with broader concerns about the concentration of risk in leveraged strategies.