less prone to wild swings in any one year Shiller CAPE PE10 less prone to wild swings in any one year Shiller CAPE less prone to wild swings in any one year Shiller Price-Earnings Ratio Shiller Price-Earnings Ratio less prone to wild swings in any one year PE10 less prone to wild swings in any one year FAQ PE10 less prone to wild swings in any one year less prone to wild swings in any one year CAPE PE