This comparison looks at two of the most popular small-cap index ETFs, each offering broad exposure to U.S. smaller companies. The Schwab U.S. Small-Cap ETF (NYSEMKT:SCHA) and the Vanguard Small-Cap ETF (NYSEMKT:VB) both contain a diversified selection of U.S. small-cap stocks, but they differ on size, risk profile, and sector tilts, giving investors a few notable trade-offs to consider. Snapshot (cost & size) Metric SCHA VB Issuer Schwab Vanguard Expense ratio 0.04% 0.05% 1-yr re ...