The U.S. housing market is experiencing a high-interest rate shock, with both sales and construction activity cooling. Data from the National Association of Realtors (NAR) shows that pending home sales in September fell by 7.3% month-over-month, significantly exceeding economists' expectations of a 0.5% decline. The index dropped to 66.0, the lowest level since the series began, and was down 11.3% year-over-year. Concurrently, housing starts decreased by 5.2%, single-family building permits fell to their lowest level since 2023, and mortgage applications for home purchases continued to decline in October. Wall Street Insights analysis suggests that the drag of high financing costs on housing demand, construction activity, and the overall economy may be more persistent than market expectations.