Wall Street is back at records. Housing is paying the rate bill.

The S&P 500 closed at a record 7,818.93 on October 6, its first record close since August 13. Two days later the average 30-year mortgage rate reached 7.40%, the highest since November 2023, according to Freddie Mac.

Those two numbers describe the same economy from different seats. Equity investors are paying for earnings growth, led by technology. Bond investors are pricing a Federal Reserve that raised rates in September and, according to its minutes, expects to do so again. Housing trades on the bond side.

Where the pressure comes from

Mortgage rates track the 10-year Treasury yield, not the Fed’s overnight rate. The 10-year closed at 5.31% on October 5, its highest since 2002, and finished last week at 5.24%. Oil above $90 a barrel and inflation at 3.4% have pushed long-term yields higher.

What it costs a buyer

On a median-priced resale home of $429,100, with 20% down, principal and interest now come to about $2,377 a month. A year ago, at a 6.30% rate and a slightly lower price, the same purchase cost about $2,091. That is 13.6% more for a home whose price rose 1.6%.

Buyers are responding. Existing-home sales fell to a 3.98 million annual pace in August, the slowest since June 2025, while listings climbed to their highest level since 2019. Builders are cutting prices: the median new home sold for 5.8% less than a year earlier.

Our read

Sales should keep softening through year-end, and more metros are likely to post annual price declines. A crash is not the base case. Supply is rising from a low base, and the strain is showing up in sales volumes and builder margins first. The quickest route to relief runs through the 10-year yield, so that is the number we are watching.