S&P 500 PE Ratio has a long history of fluctuations. As of March 28, 2025, the S&P 500 PE Ratio was 26.415.1 Historically, the ratio has reached a record high of 131.391 and a record low of 5.31, with a median value of 17.946.1 The typical value range for the S&P 500 PE Ratio is from 20.8 to 28.76.