Layla Zulfa
The sustained period of favorable mortgage spreads throughout 2026, which had successfully anchored mortgage rates below the 7% threshold for the entirety of the year, encountered a significant disruption in the final week. This extended period of relative affordability, marked by the lowest rate curve seen in many years, was abruptly challenged by an escalation in the Iran conflict. The intensified geopolitical tensions directly contributed to a surge in the 10-year Treasury yield, pushing it closer to the 5% mark and consequently propelling mortgage rates from their year-to-date lows of 5.99% to 7.12% by the week’s close. This sharp increase has cast a shadow over the housing market, raising concerns about a potential reversal of recent gains in housing data, which historically improves when rates fall below 6.64% and approaches 6%. Conversely, demand tends to wane when rates climb above 6.64% and breach the 7% barrier. Compounding these concerns is the looming possibility of a Federal Reserve interest rate hike cycle, partly fueled by the protracted nature of the Iran conflict.
Mortgage Spreads: A Defense Against Rising Yields
The recent surge in mortgage rates underscores the critical role mortgage spreads play in dictating borrowing costs. Last week, these spreads acted as a crucial buffer, metaphorically likened to King Leonidas’s stand in the movie "300," valiantly attempting to maintain mortgage rates below 7%. The intensifying Iran conflict, now entering its sixth month, has been a primary driver of the upward trend in the 10-year yield. Comments from President Trump suggesting the conflict might persist beyond the midterm elections further exacerbated market anxieties, pushing yields to near cycle highs.
Despite the sharp increase in mortgage rates, a more dire scenario was averted due to the resilience of mortgage spreads. The current divergence between the prevailing 10-year Treasury yield and actual mortgage rates represents the widest gap observed since this spread metric was integrated into tracking analyses. Historically, mortgage spreads have typically fluctuated between 1.60% and 1.80%. Last week, however, these spreads stood at 1.92%, a slight decrease from the 1.94% recorded the previous week. This wider spread, while contributing to higher mortgage rates, effectively mitigated an even more substantial increase that would have occurred had spreads reverted to historical norms.
To contextualize the current situation, an analysis of mortgage rates over the past three years, based on the current 10-year yield, reveals the extent of this divergence. In a scenario where mortgage spreads had remained at their historical average of 1.70%, the current 10-year yield of approximately 4.95% would have translated to mortgage rates around 6.65%. However, with the observed spreads, the actual mortgage rate reached 7.12%. This highlights the significant impact of widening spreads in absorbing some of the upward pressure from Treasury yields.
10-Year Yield and Mortgage Rates: A Shifting Landscape
The 2026 HousingWire forecast had anticipated mortgage rates to remain within a certain range, contingent on various economic factors. The forecast projected that if the 10-year yield remained below 4.50%, mortgage rates would likely stay between 5.95% and 6.25%. If the yield climbed to between 4.50% and 4.75%, rates were expected to be in the 6.25% to 6.55% range. For yields between 4.75% and 5.00%, the projected mortgage rates were 6.55% to 6.85%. The most concerning scenario, with yields exceeding 5.00%, was anticipated to push mortgage rates above 6.85%.
Last week proved to be a pivotal period, as the bond market unequivocally demonstrated a direct correlation between rising oil prices and escalating 10-year Treasury yields. This dynamic effectively sidelined initiatives such as Scott Bessent’s "I am the House" plan, which proposed buying back long-term debt, as the worsening conflict took precedence. Discussions on the HousingWire Daily podcast explored the potential trajectory of mortgage rates, with particular emphasis on how the escalating conflict could drive them higher.
Earlier in the year, predictions regarding the potential peak of mortgage rates suggested an addition of 0.375% to 0.43% to existing forecasts, potentially reaching 7.13% to 7.18%. This projection was predicated on the 10-year yield not exceeding 5%. The actual outcome of 7.12% by week’s end aligns closely with these earlier estimations, reinforcing the sensitivity of mortgage rates to Treasury yield movements, particularly when the latter remains below the 5% threshold.
Currently, markets are factoring in a potential Federal Reserve rate hike in the near future. While much of this expectation may already be incorporated into current pricing, the overriding influence remains the ongoing conflict. The strong correlation observed between the bond market and oil prices underscores the geopolitical factors currently dictating economic trends.
Note: The current week’s data tracking has been significantly influenced by the labor data released over the weekend, impacting various economic indicators. A rebound in these numbers is anticipated and is considered a normal fluctuation. Following next week’s events, the data is expected to revert to its established patterns.
Housing Inventory: A Slowing Ascent
Under normal circumstances, weekly housing inventory would have experienced an increase. However, last week’s data was skewed by the impact of the holiday period, which led to a decrease in available homes. This holiday effect also influenced year-over-year comparisons, as the same week in the preceding year marked the second week of recovery following a similar holiday break. Inventory growth throughout 2026 has been modest. Nevertheless, as mortgage rates continue to climb, a gradual expansion of inventory is expected, provided that the trend of new listings does not experience a more pronounced decline.
Furthermore, year-over-year comparisons are likely to facilitate a more favorable depiction of inventory growth. Last year, during this period, mortgage rates were on a downward trajectory, which stimulated increased housing demand. This contrast in demand dynamics is expected to contribute to a more positive year-over-year inventory picture.
New Listings: Seasonal Decline Amidst Underlying Strength
New listings are currently following their typical seasonal decline. However, the observed decrease is larger than usual, primarily attributable to the holiday season. A rebound in new listings is anticipated in the coming week. Despite this temporary dip, 2026 has demonstrated the most robust performance in new listing data since the significant sales contraction experienced in 2022.
Historically, during peak periods, weekly new listings typically range between 80,000 and 100,000. For context, during the housing bubble years, new listings consistently ranged from 250,000 to 400,000 per week for an extended duration. This comparison highlights the current market’s relative scarcity of new homes coming onto the market.
Price-Cut Percentage: A Rebalancing Act
Typically, approximately one-third of homes experience price reductions before being sold, a reflection of the dynamic nature of the housing market. Overall, the percentage of homes with price cuts this year has been lower compared to the previous year. Given the current rise in mortgage rates compared to the same period last year, an increase in price-cut percentages would be expected, particularly with rates now exceeding 7%. However, a week-to-week decline was observed, largely due to the Labor Day holiday.
The 2026 home-price forecast had projected a national decline of 0.62% for the year. Home price growth has remained relatively stagnant throughout the year, and achieving this forecasted decline might prove challenging, as most home price indices indicate growth between 1% and 2%. However, with the recent uptick in mortgage rates, the original forecast of a slight decline could potentially be realized in 2026.
Weekly Pending Sales: A Slowdown in Momentum
The weekly pending home sales data provides a week-to-week perspective, though it is susceptible to fluctuations caused by holidays and short-term market dynamics. Typically, this data reflects in sales figures with a lag of 30 to 60 days.
With mortgage rates having remained above 6.64% for an extended period, a slowdown in pending sales has become evident. The current rate exceeding 7% is expected to further dampen activity. The holiday period also impacted this week’s figures; however, in its absence, sales would likely have been even slower.
It is also important to consider the challenging year-over-year comparisons. Last year at this time, mortgage rates were declining, leading to an improvement in demand. In approximately two weeks, a clearer picture will emerge regarding the extent of the impact of rates surpassing the 7% mark on the housing market.
Purchase Applications: Early Indicators of Softness
Purchase application data, which offers a forward-looking perspective of 30 to 90 days, has indicated softness as mortgage rates have climbed above 6.64% and now surpass 7%. Given the elevated year-over-year comparisons, this segment is expected to exhibit year-over-year weakness. While this softness was not overtly apparent in the most recent week’s data, it remains a critical area to monitor.
The Week Ahead: Geopolitical Factors and Economic Data
Despite the Federal Reserve’s scheduled policy meeting this week, the Iran conflict continues to exert a more significant influence on the bond market and mortgage rates than the Fed’s actions. The market has largely priced in a rate hike; therefore, any deviation from this expectation, such as no hike, would constitute a significant surprise. The upcoming release of retail sales and housing data is also anticipated, with current economic conditions suggesting potentially weaker outcomes. The prevailing sentiment is that until the geopolitical situation stabilizes, the Federal Reserve’s monetary policy decisions will remain secondary in their impact on the bond market compared to the developments in the Iran conflict. The interconnectedness of global events underscores the complexity of the current economic environment, where geopolitical stability plays a crucial role in shaping financial markets and the housing sector.
