Mortgage Rates Wednesday: Quiet on Election Anniversary Mortgage rates today, October 30, 2018, plus lock recommendations Mortgage rates today, December 28, plus lock recommendations. – Rates Mortgage rates today, December 28, 2018, plus lock recommendations | Mortgage Rates, Mortgage News and Strategy – The Mortgage Reports. A rate lock guarantees that the lender will honor a specific interest rate at a specific cost for a set period. The benefit of a mortgage rate lock is that it protects the borrower from market.Mortgage rates today, January 30, plus lock recommendations With today’s mortgage rates, you can still refinance for lower payments. Here’s how Interest Only – Jumbo 5/1 ARM. Interest Only Loans allow you the flexibility of investing your money where you wish, not just in your house. During the first five years of your loan you can either pay interest only, or include whatever amount of principal you wish, even a large principal prepayment if desired.