Glossary term
Bank Run
A bank run happens when many depositors try to withdraw money from a bank at the same time because they fear the bank may fail.
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What Is a Bank Run?
A bank run happens when many depositors try to withdraw money from a bank at the same time because they fear the bank may fail. The fear can become self-reinforcing: the more people withdraw, the more others may worry that they need to withdraw too.
Bank runs matter because banks do not keep every deposited dollar in cash. They use deposits to make loans and hold other assets. A healthy bank may still face stress if too many customers demand cash or transfers at once.
Key Takeaways
- A bank run is a rush of withdrawals driven by fear about a bank's safety.
- Banks usually do not hold all deposits as cash because deposits help fund loans and investments.
- A run can create liquidity pressure even before a bank is insolvent.
- Deposit insurance and central-bank liquidity tools are designed to reduce panic.
- Bank runs can contribute to broader financial contagion.
How a Bank Run Works
A bank run begins when customers lose confidence. The trigger may be news about losses, rumors, a failed capital raise, falling asset values, or trouble at another institution. If enough depositors try to leave at once, the bank may need to sell assets quickly or seek emergency funding.
The danger is timing. A bank may own valuable loans or securities, but those assets may not be easy to turn into cash immediately without losses.
Liquidity Versus Solvency
A bank run often centers on liquidity, but it can expose or create solvency problems. Liquidity means the bank has enough cash or cash-like resources to meet withdrawals. Solvency means the bank's assets are worth more than its liabilities.
Concept | Meaning |
|---|---|
Liquidity problem | The bank cannot meet withdrawals quickly enough |
Solvency problem | The bank's assets may not cover what it owes |
Confidence problem | Customers fear the bank may be unsafe |
How Deposit Insurance Helps
Deposit insurance is designed to reduce the incentive for insured depositors to run. In the United States, the Federal Deposit Insurance Corporation (FDIC) insures eligible deposits up to applicable limits at insured banks. That protection can help depositors distinguish between insured balances and amounts that require more careful cash-management planning.
Deposit insurance does not mean every type of account or every dollar is protected. Customers still need to understand coverage limits and account ownership rules.
Why Bank Runs Can Spread
Bank runs can spread when customers at other institutions begin asking whether similar risks exist. This is why bank confidence is a system-wide issue, not just a problem for one institution. A run at one bank can pressure funding markets, deposit flows, and investor confidence elsewhere.
The Bottom Line
A bank run occurs when many depositors try to withdraw money from a bank at the same time because they fear the bank may fail. Deposit insurance and liquidity backstops are designed to reduce panic, but customers should still understand where their money is held and how deposit coverage works.