Dec 11 2020 Off Valuation - Real 10-Year Yield vs. S&P 500 PE on Trailing Operating EPS The S&P 500 P/E tends to rise when the real 10-year yield declines. A S&P 500 P/E of 26x and 2021 EPS of $148 suggest ~3,800 for the S&P 500.Image: Stifel