Stress Testing [CCAR;DFAST]

Stress testing is a regulatory tool that assesses whether banks have sufficient capital to withstand severe economic downturns and financial market shocks. In the U.S., the Federal Reserve conducts annual Comprehensive Capital Analysis and Review (CCAR) and Dodd-Frank Act Stress Tests (DFAST) for large banks. Tests apply hypothetical scenarios like severe recession (10% unemployment, 40% stock market decline, 25% housing price drop) to banks’ portfolios. For example, the 2023 stress test assessed whether 23 large banks could maintain minimum capital ratios while losing $541 billion under severely adverse conditions. All passed, demonstrating resilience. Tests evaluate credit losses, trading losses, and operational risk impacts on capital over a nine-quarter horizon. Results determine whether banks can pay dividends and buy back shares. European banks undergo similar EBA stress tests. While strengthening the banking system, critics argue stress tests are predictable, allowing banks to game results, and may not capture tail risks or novel threats like pandemic impacts.