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Research commentary

Q4 2026 Macro Outlook

October 2026 Main Management

Our quarterly look at the macro landscape: Treasury yields above our 4–5% comfort range on a rise in real rates, a Fed the market expects to keep hiking, earnings that carried the entire year's return, the AI capex cycle, and our estimated S&P 500 range for year-end 2027.

The full slide deck is available as a PDF below. Data are as of October 14, 2026, and quarterly returns are as of September 30.

Highlights from the deck

  • The quarter. Commodities lead 2026 at +55.2% as oil rallied, and Energy returned +17.2% in the third quarter, with Information Technology second at +7.2%. Rate-sensitive sectors lagged as the 10-year Treasury yield moved through 5%: Utilities fell 12.4% and Industrials 9.7%.
  • Oil and Hormuz. Brent bottomed at $71 on July 1, when tracked tanker transits through the Strait of Hormuz peaked during the June truce. Tracked traffic has since fallen to about one a day, against 48 a day in 2025, and Brent is back near $109.
  • The Fed. The FOMC raised rates a quarter point to 3.75–4.00% on September 16, and futures are pricing about 3.5 more hikes. In our view that is more tightening than inflation calls for, with headline CPI at 3.7% and core at 2.6%.
  • Rates. The 10-year yield rose 85bp in the third quarter to a peak of 5.29%. The 10-year TIPS yield of 2.93% is about twice its average since 1999, while the breakeven of 2.32% is close to its average, so the rise has come from real rates. In our view, with yields above 5%, equity returns will depend more on earnings growth.
  • Rising yields and stocks. The S&P 500 finished higher in four of the last five long rises in the 10-year yield, and earnings grew in all five.
  • Labor and growth. Unemployment is 4.2%, payrolls have averaged 66,000 a month over six months, and real GDP has averaged 1.6% over the last three quarters.
  • AI capex. Capital spending at the five largest hyperscalers grew 54% in 2024 and 75% in 2025. Consensus expects growth to peak this year and capex to reach 44% of revenue in 2027, with free cash flow falling below zero, which puts the return on that spending in focus.
  • Earnings and valuation. Consensus expects S&P 500 earnings growth of 32.4% this year and 15.9% next year. The forward P/E has fallen from 22.2x to 19.0x this year while the index returned 12.7%, all of it from rising earnings. At the March 2000 peak the index traded at 26.8x on an 8.9% net margin; today it is 19.0x on a 16.9% margin.
  • Where valuations stand. Technology’s premium to the market has narrowed to 13%, against 25% over five years, and Utilities trade below their 20-year average relative multiple. Midcaps trade at 76% of the S&P 500’s multiple, against 91% over 20 years.
  • The bull market. The bull market that began in October 2022 turned four this month. Historically, year four of a bull market has averaged +12% and year five +16%, with wide variation across cycles. Past performance does not guarantee future results.
  • International. International stocks trade at 64% of the U.S. forward multiple, against 81% on average since 2008, and consensus expects Emerging Market earnings to grow 64.6% this year. Korea trades furthest below its own history.
  • Our range. Our estimated range for the S&P 500 at year-end 2027 is 7,400 to 8,500, based on 18x $411 of forward earnings on the downside and 20x $425 on the upside. The range is our opinion as of October 14, 2026; the index may trade outside it.
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All metrics from Morningstar Direct, Macrobond, and FactSet Financial Data and Analytics. This material is for informational purposes only and does not constitute investment advice or a recommendation to buy or sell any security. It reflects the opinion of Main Management as of the date written and is subject to change. All investing involves risk, including the possible loss of principal. Past performance does not guarantee future results.