Jamie Dimon Warns AI Agents Could Be ‘Treacherous’ for Banks, but Researcher Says There May Be Another Reason to Worry

Key takeaways

• AI agents threaten both security and profitability for banks, prompting major lenders to curb their use.
• McKinsey estimates a 20% drop in deposit profits if 5‑10% of balances auto‑transfer
• Reuters reports JPMorgan, Morgan Stanley, Bank of America restricting third‑party AI agents

What happened

JPMorgan Chase CEO Jamie Dimon warned that artificial‑intelligence agents could act against customers’ interests and pose security risks, while AI researcher Andrew Yoon cautioned that such agents could also erode banks’ profits by moving customers’ idle cash into higher‑yield accounts. Reuters reported that JPMorgan, Morgan Stanley, Bank of America and other lenders are restricting third‑party AI agents amid concerns about unauthorized account access and independent actions.

Why it matters

The move signals a tightening of controls on AI tools that could otherwise shift customer balances away from banks, cutting deposit income. McKinsey estimates that if 5‑10% of checking balances are auto‑transferred to higher‑yield accounts, banks could lose at least 20% of deposit profits. The debate also highlights…

Short-term and longer-term

Short-term. Over the next few weeks, watch for any updates on the scope of the restrictions and how quickly banks roll them out.

Longer-term. In the coming months, investors should assess whether the restrictions will materially reduce banks’ fee income and deposit margins.