Best Home Loan Interest Rates Today Is A Rate A Percentage 30 Mortgage Rate Chart Blanket Mortgage Rates Us Prime Interest Rate Second Mortgage Loan Rates In this article we are going to go over some of your options for getting a second mortgage with bad credit. rate search: Get Current Refinance Rates. What is a Second Mortgage? A second mortgage is when you use the equity in your home as collateral for a second home loan. Most allow you to borrow up to 80% of the value of your home.Banks raised the prime rate when the Federal Open Market Committee raised the current Federal Reserve interest rate to 2.5 percent. The prime rate is three points above the fed funds rate. The interest rate outlook is for the fed funds rate to remain at 2.5 percent through 2021.