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Comparing current PE to mean PE can allow you to see if Palo Alto Networks Inc may be undervalued based on PE ratio.

* Total of 613 data points since 07/22/2012.

** From 07/22/2012 we changed 459 data points that were under -50 PE to -50 and 66 data points that were over 100 to 100. This helps smooth edge cases where companies had extreme PE ratios during certain periods. Removing these data points completely caused new issues with certain companies.