ARTIFICIAL INTELLIGENCE
BankThink The AI prompt that could wipe out banks’ net interest income
By Michael Abbott
Published February 03, 2026, 8:58 a.m. EST
4 Min Read
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It won’t be long before bank customers can ask an AI agent to optimize their returns on idle cash. When it happens, banks’ net interest income is going to come under direct threat, warns Michael Abbott, of Accenture.Adobe Stock
When JPMorganChase CEO Jamie Dimon speaks, the industry listens. His comments on competition at this year’s World Economic Forum were telling.
Fintechs aren’t letting up: “They’re coming at you, some to pick a sliver of the business, some to take your whole business.”
AI could restructure customer access and product delivery. “Agents … may lead to us winning and losing big areas.”
Banks could face significant losses if they fail to adapt. “If you put your head in the sand, you will lose.”
The future of competition for banks will be fierce in 2026. However, I believe a new class of competitors will emerge that attack banking from the outside-in and target the balance sheet.
The last 25 years of fintech disruption have seen fintechs attempt to mimic banks and compete for the same services. They’ve seen limited gains: After 25 years of digital not a single neobank has cracked the global top 200 banks by assets.
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With the emergence of AI engines, we see a very different competitive landscape emerging, with tech companies that attack both sides of the balance sheet but never touch banking itself. They will be infinitely more disruptive than fintechs already operating within the system.
It won’t be long before customers can ask their favorite GPT engine this simple question: “Help me optimize the return for my idle cash.” That one prompt takes direct aim at deposit beta in the U.S banking system.
Many customers in the U.S. are ready for it: Seventy-one percent say they would use an “everywhere” AI financial assistant that helps manage all their banking relationships, and 55% would trust a generative AI platform to own that experience, according to Accenture’s recent Future of Banking Experience survey.
Even a relatively small shift in pricing could lead to a 5% drop in lending margin and 15% drop in deposit margin, putting around 22% of U.S. banking pretax income at risk, according to Accenture Research.
From: The AI prompt that could wipe out banks’ net interest income | American Banker.