A brief excerpt:
Here are some graphs on outstanding mortgages by interest rate, the average mortgage interest rate, borrowers’ credit scores and current loan-to-value (LTV) from the FHFA’s National Mortgage Database through Q2 2024 (just released).
…
Here is some data showing the distribution of interest rates on closed-end, fixed-rate 1-4 family mortgages outstanding at the end of each quarter since Q1 2013 through Q2 2024.
This shows the surge in the percent of loans under 3%, and also under 4%, starting in early 2020 as mortgage rates declined sharply during the pandemic. The percent of outstanding loans under 4% peaked in Q1 2022 at 65.2% (now at 56.2%), and the percent under 5% peaked at 85.5% (now at 74.6%). These low existing mortgage rates makes it difficult for homeowners to sell their homes and buy a new home since their monthly payments would increase sharply. This is a key reason existing home inventory levels are so low.
There is much more in the article.