Fewer homeowners constrained by mortgage lock-in effect

Two years ago, nine out of 10 mortgages had rates below 5 percent. Today, there are 5.8 million fewer sub-5 percent mortgages in the market and 1 in 4 borrowers has a higher rate. Two years ago, nine out of 10 mortgages had rates below 5 percent. Today, there are 5.8 million fewer sub-5 percent mortgages in the market and 1 in 4 borrowers has a higher rate.