Lower rates widen mortgage refinance opportunity with affordability near 4-year high

Mortgage affordability improved to its strongest level in nearly four years in early 2026, but structural pressures tied to elevated home prices and uneven regional performance continue to complicate the housing outlook for advisors and their clients.

A new report from ICE Mortgage Technology shows that a brief drop in mortgage rates in January proved how quickly borrower economics can shift. When rates touched 6.04% on January 9, refinance eligibility expanded sharply, placing about 4.8 million homeowners in a position to benefit. That single move increased the refi-eligible population by roughly 20% almost overnight, highlighting just how rate-sensitive today’s mortgage market has become.

“Even small reductions toward 6% rates can significantly boost affordability, particularly for homeowners who could refinance into a lower rate and monthly payments,” said Andy Walden, Head of Mortgage and Housing Market Research at ICE. “When rates hit 6.04% on January 9, the number of homeowners in the money to refinance jumped by 20% and affordability hit its best level in four years. That said, affordability remains structurally challenged, with home prices still elevated relative to incomes and meaningful differences emerging across regions and borrower segments.”

That affordability improvement is measurable with the monthly principal and interest payment required to purchase the average-priced home down by $164 from a year earlier to $2,091, consuming 27.8% of median household income. It’s the most favorable reading since early 2022 but price-to-income ratios remain historically stretched. Nationally, home prices still run at roughly 4.8 times median income, well above the long-term norm closer to 4:1.

Nearly 1.3 million mortgages originated in the past few years sit in the 6.875% to 6.99% range, making them especially responsive to even modest rate declines. This cohort accounted for the most common mortgage rate band in 2025 and stands to be the first to react when rates soften.

More than 1.1 million borrowers finished 2025 with negative equity, the highest total since 2018. The increase is concentrated among FHA and VA loans originated since 2022 and in several Southern markets, where more than 10% of mortgaged homes are now underwater.

Home price appreciation has also slowed dramatically. Prices rose just 0.6% in 2025, the weakest annual gain in over a decade. Regional divergence continues to widen, with the Northeast and Midwest showing relative stability while parts of the South and West experience more pronounced declines.

“Today’s market is full of cross-currents — borrowers responding quickly to rate shifts, affordability improving for some but not others, and pockets of rising credit stress,” said Bob Hart, President of ICE Mortgage Technology. “Our end-to-end mortgage platform helps servicers and lenders make sense of those moving parts and act on opportunity. It gives them a clearer view of who might benefit from refinancing, where portfolio risks are building, and how to engage customers with the right options at the right time — all while supporting timely follow-through.”