FDIC

The FDIC is the federal agency that insures deposits at US banks, protecting depositors if their bank fails. Coverage applies up to a set limit per depositor, per bank, and it applies automatically to standard deposit accounts at any FDIC insured bank, without the depositor needing to buy separate insurance.

The FDIC's role goes beyond insurance. It also supervises banks for safety and soundness, and when a bank does fail, the FDIC typically steps in to either sell the failed bank's deposits and assets to a healthier bank or pay out insured depositors directly, usually within a few business days. This process is designed to prevent the kind of bank runs that can spread panic through the financial system.

For stock investors, the FDIC becomes especially relevant during periods of banking sector stress. When depositors worry a bank might fail, the presence of FDIC insurance helps prevent smaller depositors from pulling their money in a panic, but large uninsured deposits above the coverage limit can still trigger runs, as happened with several regional banks in 2023. Bank stocks tend to trade on confidence in the underlying institution, and FDIC actions or statements during a crisis can move those stocks sharply in either direction.