📝 Executive Summary
Zillow data show the 30-year fixed mortgage rate slipped 4 basis points to 6.67% on Sept. 5, the 15-year fixed fell 10 bps to 6.04%, and the 5/1 ARM reversed 39 bps lower to 6.64% after a similar gain the prior day. Refinance applications remain 62% above year-ago levels, and both the MBA and Fannie Mae see the 30-year range-bound at 6.6%-6.8% through 2026. ARM pricing continues to swing sharply while fixed-rate loans remain the steadier part of the mortgage market.