Mortgage Applications Jump 29.7% in Week Ending September 12

Washington, DC, September 17, 2025-Mortgage applications increased 29.7% from one week earlier, according to data from the Mortgage Bankers Association’s (MBA) Weekly Mortgage Applications Survey for the week ending September 12, 2025. Last week’s results included an adjustment for the Labor Day holiday.

The Market Composite Index, a measure of mortgage loan application volume, increased 29.7% on a seasonally adjusted basis from one week earlier. On an unadjusted basis, the Index increased 43% compared with the previous week. The Refinance Index increased 58% from the previous week and was 70% higher than the same week one year ago. The seasonally adjusted Purchase Index increased 3% from one week earlier. The unadjusted Purchase Index increased 12% compared with the previous week and was 20% higher than the same week one year ago.