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S&P500 PE & CAPE History
" Historical S&P500 Price to Earnings Ratio Charts "
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Historical Price to Earnings Ratio of Standard and Poor's 500 Index   Favorite Charts & Graphs  - More Articles 

June 19, 2013:  PE ratios usually fall when investors slowly lose interest in stocks. The exceptions are bear market crashes when companies lose money and write off everything but the kitchen sink to often show negative earnings.  Click to see Today's PE vs Time Chart from Chart of the Day.

Table and excerpt from my March 2013 Newsletter:

The S&P500 dividend yield is above the 10-year US Treasury bond!  .....

Data updated 3/20/12 courtesy of Robert Shiller, Yale Department of Economics. In Schiller's modified P/E, the denominator is not current earnings per share but average inflation-adjusted earnings over the trailing 10 years. This modified ratio, sometimes called P/E10, or CAPE (Cyclically Adjusted Price Earnings) ratio, is said to have better forecasting record than the simple P/E ratio.  I like tracking this as it gives a different opinion than the more bullish Fed Model.


=> Remember that S&P predicted $100 for 2009 GAAP (Generally Accepted Accounting Principles) earnings before the 2007 to 2009 bear market so these estimates are better for looking at current valuations than predicting the future. In 2000, the analysis clearly showed the market was overvalued, thus it had some value as an indicator.     

P/E10, or CAPE (Cyclically Adjusted Price Earnings) Ratio
=> I have an updated version of this Shiller P/E10 chart on page 6 of my June 2013 Newsletter
Historical Shiller CAPE (Cyclically Adjusted Price Earnings) Ratio             Earnings) ratio

In 1984, shortly after CAPE bottomed around 7, I bought my first home using a 14.0% variable rate loan.  Fixed loans were ~17% at that time.  I refinanced my home mortgage with a fixed 3.375% 15-year loan.
The S&P500 came very close to having zero earnings at the peak of the financial crisis.   When you divide stock price by nearly zero earnings, you get a very, very high PE.

From Chartoftheday.com1
Today's chart illustrates the price to earnings ratio (PE ratio) from 1900 to present. Generally speaking, when the PE ratio is high, stocks are considered to be expensive. When the PE ratio is low, stocks are considered to be inexpensive. From 1900 into the mid-1990s, the PE ratio tended to peak in the low to mid-20s (red line) and trough somewhere around seven (green line). The price investors were willing to pay for a dollar of earnings increased during the dot-com boom (late 1990s), surged even higher during the dot-com bust (early 2000s), and spiked to extraordinary levels during the financial crisis (late 2000s). Since the early 2000s, the PE ratio has been trending lower with the very significant but relatively brief exception that was the financial crisis. More recently, the PE ratio has moved significantly higher and is fast approaching the low 20s -- a level around which several stock market rallies stalled (e.g. 1929, several from 1958 to 1972, and 1987).

S&P500 Inflation Adjusted                            Earnings

Note 1.  Source: Chart of the Day  "Journalists and bloggers may post the above free Chart of the Day on their website as long as the chart is unedited and full credit is given with a live link to Chart of the Day at"
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