Schwab Municipal Bond ETF (SCMB) is an exchange-traded fund in the Muni National Interm category. It has $4.18B in assets, an expense ratio of 0.03% and a 3.60% dividend yield. The index measures the performance of U.S. dollar denominated investment grade tax-exempt debt publicly issued in the U.S. domestic market by U.S. states and territories as well as their political subdivisions. Under normal circumstances, the fund may invest up to 20% of its net assets in securities not included in its index.