Shiller PE Ratio Chart
Current Shiller PE Ratio: 25.42 +0.09 (0.37%)
12:02 pm EDT, Thu Apr 24
Mean: 16.52
Median: 15.91
Min: 4.78 (Dec 1920)
Max: 44.20 (Dec 1999)

Shiller PE ratio for the S&P 500.

Price earnings ratio is based on average inflation-adjusted earnings from the previous 10 years, known as the Cyclically Adjusted PE Ratio (CAPE Ratio), Shiller PE Ratio, or PE 10 — FAQ.

Data courtesy of Robert Shiller from his book, Irrational Exuberance .