Interest on fixed-rate municipal bonds typically uses what day count convention?

The correct answer is that interest on fixed-rate municipal bonds typically uses the 30/360 day count convention. This convention assumes that every month has 30 days and that a year consists of 360 days, which simplifies the calculation of interest payments and yields for these bonds.

Using the 30/360 method aligns with traditional practices in the bond market and makes it easier for investors and issuers to calculate accrued interest over standard payment periods, which are often semiannual for municipal bonds. This uniform approach provides consistency in financial reporting and aids in comparative analysis among different fixed-rate municipal bonds.

The choice of day count convention is crucial in determining how interest accrues over time, and 30/360 is widely accepted for municipal securities, in contrast to other conventions that may be used in different types of instruments. Thus, understanding and applying the 30/360 convention is essential when dealing with fixed-rate municipal bonds.