Weekly update
Mortgage rates, week of December 18, 2025
The 30-year fixed averaged 6.21%, down 0.01 points from last week.
- 30-year fixed
- 6.21%
- 15-year fixed
- 5.47%
- 10-year Treasury
- 4.12%
- Spread
- 2.09
The numbers behind the week
- The 15-year fixed averaged 5.47%, down 0.07 points.
- Between the two readings the 10-year Treasury yield fell 0.02 points and the gap between it and the mortgage rate widened 0.01 points. Together those make up the 0.01-point move.
- Four weeks ago the 30-year average was 6.26%.
- That is 0.51 points below a year ago (6.72%).
- Over the past 52 weeks the 30-year average has ranged from 6.17% to 7.04%.
- The spread over the 10-year Treasury is 2.09 points, against an average of 2.33 across the history on this site.
| Change from December 11, 2025 | Points |
|---|---|
| 10-year Treasury yield | -0.02 |
| Spread over the Treasury | +0.01 |
| 30-year mortgage rate | -0.01 |
Each mortgage average is compared with the most recent daily Treasury yield on or before its date, so the split is approximate. The Treasury spread page explains the gap.