• The Cyclically Adjusted Price to Earnings Ratio (CAPE ratio) is at 30.2, a very high level which signals overvaluation of stocks and low forward returns, according to Shiller.
• This level was only exceeded twice in the last 136 years, from Aug-1929 to Sep-1929 and from Jun-1997 to Jan-2002, with market declines of 77% and 45% then recorded.
• The Moving Average CAPE Ratio Methodology used here references stock market valuation to a 35-year moving average of the Shiller CAPE ratio instead of the 1881-2017 long-term average.
• Based on the 35-year moving average methodology, historic market performance points towards continuing up-market conditions, possibly for a number of years.
• To avoid the bear market, exit stocks when the spread between the 5-month and 25-month moving averages of S&P-real becomes negative and simultaneously the CAPE-Cycle-ID score is 0 or -2.

Shiller warns in his recent commentary The Coming Bear Market? :
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