Mortgage Rates Whipsaw as Bond Market Volatility Pushes 30-Year to 6.64%, ARMs Surge 49 Basis Points

Mortgage rates displayed extreme volatility heading into the weekend of August 22, 2026, with the bond market sending lenders scrambling to adjust pricing. According to the latest Zillow lender marketplace data, the benchmark 30-year fixed mortgage rate climbed 14 basis points to 6.64%, while the 15-year fixed rate dropped 12 basis points to 5.88%. The … Read more