Gotrade News - U.S. stocks are flashing warning signs as margin debt and valuation metrics climb to historic levels. Wealth advisors describe the second-half outlook as bullish but cautious.
The S&P 500 is up 10% year-to-date through May 28, 2026. The benchmark trades at 21.8x forward earnings, near multi-decade highs.
Key Takeaways
- Net margin debt has reached 1.25% of U.S. market cap, near the highest level since 1997, per Axios.
- The Buffett Indicator and the Shiller CAPE ratio both sit at levels last seen before the dot-com crash.
- J.P. Morgan forecasts below-average annual returns of less than 5% for the S&P 500 over the next decade.
Record Leverage and Stretched Valuations
Net margin debt has climbed to 1.25% of U.S. market cap through April, according to Axios. The same metric hit 100% in February 2000 during the dot-com peak.
The Shiller CAPE ratio sits at levels not seen since just before the dot-com crash. The Buffett Indicator, which compares market cap to GDP, is at the highest level on record.
Bullish options trading is also accelerating. Put-call ratios are near extreme lows, and leveraged ETF trading volumes continue to climb.
Ben Snider, Goldman Sachs Chief U.S. Equity Strategist, said the rise in leveraged retail trading activity points toward signals that warrant some caution. Goldman still raised its year-end S&P 500 target to 8,000, implying a 16.9% gain for 2026.
Index-tracking funds such as VOO and SPY reflect these record-high valuations directly. Tech-heavy QQQ carries even greater concentration risk, with information technology making up 35% of the S&P 500.
Advisors Bullish but Selective
Wealth managers remain constructive on U.S. equities while flagging vulnerabilities. InvestmentNews surveyed advisors on their second-half positioning.
Tim Bartlett, Chief Investment Officer at Unique Wealth, is bullish but expects volatility. He favors public and private infrastructure tied to AI supply chains.
Mark Doehla, Portfolio Manager at Great Diamond Partners, called his stance bullish but somewhat lukewarm. He cited weaker real consumer incomes, higher debt refinancing rates, and corporate margin pressures.
Doehla warned that high crude oil prices, elevated interest rates, and narrow equity participation pose risks. He said war, tariffs, and asset bubbles left unchecked could trigger significant market decline.
Nick Holuta, Portfolio Manager at Dynasty Financial Partners, remains constructive on U.S. equities. He favors rotation from mega-cap software to the physical economy and AI infrastructure.
The S&P 500 has delivered a 10.5% average compound annual return since 1957, according to The Motley Fool. Recent five-year returns reached 78% including tech and 47% excluding tech.
Valuation metrics have historically been poor timing tools. Anyone selling in late 2016 on CAPE signals would have missed S&P 500 gains exceeding 200%.
Stocks currently offer skimpy returns compared with bonds based on the yield spread. The same metric has historically signaled poor future equity returns.
The S&P 500 staged a 9% correction from peak earlier in the year. The index has since fully recovered those losses, per The Motley Fool.
Nvidia, Apple, and Microsoft now combine for $12.8 trillion in market value. That concentration shapes the trajectory of broad-market funds.





