Loans and expected losses
Banks estimate future losses on loans and record an allowance. Loan growth can coexist with rising future provisions if borrowers' ability to repay, collateral values, or delinquency trends deteriorate. An allowance is not the same as cash already lost.
Delinquencies and classifications
Separate delinquent loans, nonperforming assets, net charge-offs, and balances by loan type in quarterly filings. A low overall delinquency rate can hide concentration in a sector or region, and loan modifications may delay visible stress. Check how each bank defines its measures.
Changes in allowances
Allowance balances change through provisions, charge-offs, recoveries, and portfolio mix. Connect provision expense in the income statement with the allowance on the balance sheet, then ask whether coverage by loan type fits the bank's stated outlook and risk exposure.
A hypothetical bank
Suppose a hypothetical bank's loans grow 10% while delinquent loans rise 20%. That does not prove insolvency. If the allowance falls while charge-offs increase, however, examine provisioning policy, recovery results, and when loans entered delinquency.
Tables to connect in filings
U.S. banks disclose credit information in SEC filings and regulatory Call Reports. Align periods and denominators before comparing provision expense, allowance balance, charge-offs and recoveries, net interest income, and capital ratios.
Limits of credit indicators
One quarter's delinquency or coverage ratio cannot establish bank soundness. Consider deposit funding, liquidity, interest-rate risk, collateral, and concentration, while separating estimated losses from the economic assumptions and data behind them.