The Equity Market’s Rate Stress Test

Web Desk September 12, 2026

0 2 1 minute read

Goldman’s work suggests equities have generally handled rising bond yields reasonably well when the move has been orderly. The trouble arrives when the rate move becomes statistically violent. A two-standard-deviation monthly move in the 10-year Treasury is currently around 40 to 50 bp, and the historical equity response becomes much uglier once yields cross that threshold. Real yields matter because, unlike inflation, they don’t come with the consolation prize of lifting nominal corporate cash flows.

Takeaways by Dark Side of the Boom™

Equity multiples have already absorbed part of the rates shock, with the S&P 500 forward P/E falling from around 22x to 19x while the relative valuation gap versus Treasuries remains broadly stable.
The first Fed hike historically creates turbulence, not necessarily the end of the bull market, especially when substantial tightening is already priced.
The real equity danger is the velocity of the bond move. A 40 to 50 bp monthly rate shock is where historical equity performance deteriorates sharply.
Higher rates increasingly favour a stock-picking market. Financials and Energy sit on one side of the rate divide, while Real Estate, home construction, and longer-duration growth exposures carry more sensitivity.

Whenever Treasury yields start climbing toward the big round numbers, there’s a temptation to treat the equity market like a building with a structural crack. Five percent on the 10-year looks scary on the screen, oil is feeding the inflation problem, the Fed is back in play, and suddenly every discounted cash flow model on Wall Street needs another wrench turn.

But the Goldman Sachs work led by Ben Snider makes a more interesting argument. Higher rates matter, clearly, but rate levels are only part of the story. The market has already absorbed much of the valuation adjustment. What matters now is how quickly yields rise, whether real rates are driving the move, how corporate earnings respond, and which parts of the equity market carry the most duration.