Key Takeaways Mortgage rates unchanged to 6.58% on Aug. 21, 2025, from the previous week, their lowest level of 2025.Lower rates are lifting mortgage originations and driving stronger refinancing activity.mREITs stand to gain from tighter Agency spreads, stronger book values, and wider net interest spreads.Mortgage rates are currently at the lowest levels of 2025. The average 30-year mortgage rate was 6.58% as of Aug. 21, 2025, unchanged from the previous week and down from 6.91% at the start of 2025, per F ...