US 30-year mortgage rates have climbed above 7% for the first time since early 2025. This surge follows five consecutive weeks of growth, creating significant financial hurdles for prospective homeowners.

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The Iran War and the 5.17% Treasury Yield Surge

The 10-year US Treasury yield, which lenders use as a primary benchmark to price home loans, surged to 5.17% in midday trading Thursday, according to the report. This spike is a direct result of markets adjusting to an energy shock and rising inflation triggered by the war with Iran, following US and Israeli attacks in late February. The yield had sat at 3.97% before the conflict began, and its current trajectory is pushing borrowing costs higher across the board.

This geopolitical instability has pushed the average 30-year fixed mortgage rate to 7.03%, the highest level seen during either of Donald Trump's presidential terms. For prospective buyers, this represents a stark reversal from seven months ago when rates briefly dipped to 5.98%, sparking short-lived hopes that the housing market would unfreeze.

Kevin Warsh's Quarter-Point Hike vs. Trump's 1% Target

Federal Reserve Chair Kevin Warsh recently implemented a quarter-point rate hike, marking the first such increase since July 2023. This move is designed to tamp down inflation, though it has drawn sharp criticism from Donald Trump. On Truth Social, Donald Trump argued that interest rates in the United States should be 1% or less, which is significantly lower than the Federal Reserve's current range of 3.75% to 4%.

The current economic environment stands in stark contrast to the period when Donald Trump left office in January 2021, at which time the 30-year fixed mortgage rate was just below 2.8%. with Fed members forecasting at least one more hike in 2026, the era of ultra-cheap borrowing appears firmly in the rearview mirror.

Lennar's Earnings Warning and the 4.7% Drop in Pending Sales

Major homebuilders including Lennar, D.R. Horton, and PulteGroup have seen their shares decline over the past month as borrowing costs threaten new construction. Lennar CEO Stuart Miller has warned that disappointing earnings are a result of stubborn inflation and the fact that many homebuyers are stretching their finances to the limit to afford a home.

Data from the National Association of Realtors (NAR) indicates that pending home sales fell 4.7% compared to a year ago. This suggests that the 7% threshold is acting as a "foreboding psychological barrier," as described by Bright MLS chief economist Lisa Sturtevant, potentially chilling home sales transactions throughout the autumn.

The Return of ARMs and the 10% Borrower Shift

To cope with expensive fixed-rate loans, nearly 10% of borrowers opted for adjustable-rate mortgages (ARMs) last week, as reported by the Mortgage Bankers Association (MBA). these loans typically offer lower fixed rates for an initial period of five, seven, or 10 years before adjusting, providing immediate relief but introducing long-term volatility.

This shift toward ARMs is particularly concerning to analysts because these riskier products played a central role in the buildup to the 2008 financial crisis. while the MBA data confirms the trend, it remains unclear exactly how many current homeowners are refinancing into ARMs versus new buyers taking the risk to enter the market. furthermore , the report does not clarify if lenders are tightening credit requirements for these adjustable products to avoid a repeat of past systemic failures.