Not going lower. They are skyrocketing. The CEO of one of a Mortgage company posted this to explain. It’s great info and easy to digest. Question: I hear US Treasury Bonds are at Record low yields, shouldn’t my mortgage rate be lower? Mortgage rates are determined by the price of Mortgage-Backed Securities (MBS). MBSs have their own market where prices are determined by supply and demand. Over the past week, the supply of MBSs has overwhelmed demand, causing the value of MBS’