As we discuss over and over again, mortgage interest rates are determined by the price of mortgage bonds. Nothing else, and nothing more. The challenge in that truth is that mortgage bond pricing is not very accessible to the general public.
This includes the press.
As a result, the media tends to use a government bond called the “10-Year Treasury Note” as a mortgage rate indicator because it tends to move in the same direction as mortgage bonds.
Not knowing any better and making matters worse, a lot of loan officers also use the 10-Year Treasury Note as a benchmark. This is dangerous to their clients.
Look at the data from yesterday (as of 11:20 A.M. ET):
- 10-Year Treasury Note: + 53 basis points
- 30-Year 6.000% Mortgage-Backed Bond: – 19 basis points
If you were watching the 10-Year Treasury Note today, you’d think that mortgage rates would be decreasing over the course of the day instead of increasing.
This same divergence has occurred several times in August and — for people watching the wrong indicator — may have led to costly rate lock errors.
The only security to watch with respect to mortgage rates each day is the price of mortgage-backed securities.