what is the main benefit of a cmbs 
for investors the main benefit of a cmbs is a reliable cash flow based on a fixed interest rate moreover prepayment penalties help discourage borrowers from early payments ensuring that the cash flow will continue for the full term of the loan the bottom linea commercial mortgage backed security cmbs is a type of security backed by a bundle of commercial real estate loans as borrowers make payments the money is used to repay investors of the cmbs 