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US MBA Purchase Index Edges Down to 154.4 as High-Interest-Rate Environment Continues to Suppress Housing Market Momentum

2026-08-27

The latest data shows that for the week ending August 21, 2026 (the third quarter of 2026), the US MBA Purchase Index edged down to 154.4 from the previous reading of 154.8. This data interrupted the previous signs of a short-term recovery in housing market buying sentiment, reflecting that in the absence of significant improvement in overall housing affordability, potential buyers' willingness to chase higher prices remains weak, causing overall housing market momentum to slightly cool down again.

Observing key breakdown data, the average 30-year fixed mortgage rate in the US, which is highly correlated with the index, edged up to 6.78% in this period, hitting a new high in nearly three weeks. In addition, the MBA overall Mortgage Applications Index fell by 1.0% on a weekly basis, while the Refinance Index, which is more sensitive to interest rate changes, declined by 2.0%, demonstrating the comprehensive suppression of various mortgage demands by high interest rates.

Addressing this data weakness, MBA Vice President and Deputy Chief Economist Joel Kan pointed out that the rebound of mortgage rates to a nearly three-week high was the direct trigger dampening homebuying and refinancing activities; currently, home purchase application volumes are trailing by about 5% compared to the same period last year. Market institutions generally believe that the core issue remains "affordability" in the real estate market. With neither home prices nor interest rates showing significant loosening, the wait-and-see attitude of buyers has led to a delayed demand effect.

Looking ahead, housing market demand in the short term (1-2 months) will continue to be constrained by employment data and the Federal Reserve's (Fed) monetary policy path. If the 30-year mortgage rate cannot substantially drop below the 6.5% threshold, it may be difficult for buying sentiment to see substantial improvement. In the medium term (3-6 months), the market expects that if the Fed initiates a more significant rate-cutting cycle, it is expected to gradually release the suppressed homebuying demand; however, if sticky inflation leads to a prolonged high-interest-rate environment, the risks and resistance to the housing market recovery will increase significantly.

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