What is Shiller PE (CAPE)? Cyclically Adjusted PE Ratio Data Source Shiller Yale - Monthly Current 39.42 - Very Expensive Very CheapCheapFair ValueExpensiveVery Expensive Historical Data View History → Compare Shiller PE (CAPE) vs Buffett Indicator Shiller PE (CAPE) vs S&P 500 PE Ratio Shiller PE (CAPE) vs S&P 500 Dividend Yield ← Shiller PE (CAPE)