PE Ratio Chart

View PE Ratio for PTN.
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Sep '18
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May '19
 
285.00
270.00
255.00
240.00
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Historical PE Ratio Data

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Date Value
March 30, 2023 14.42
March 29, 2023 14.31
March 28, 2023 13.89
March 27, 2023 16.19
March 24, 2023 15.78
March 23, 2023 16.25
March 22, 2023 15.88
March 21, 2023 15.10
March 20, 2023 13.11
March 17, 2023 13.63
March 16, 2023 14.68
March 15, 2023 14.42
March 14, 2023 14.68
March 13, 2023 14.47
March 10, 2023 14.15
March 09, 2023 14.52
March 08, 2023 14.94
March 07, 2023 14.89
March 06, 2023 15.57
March 03, 2023 16.78
March 02, 2023 15.57
March 01, 2023 17.14
February 28, 2023 16.62
February 27, 2023 14.02
February 24, 2023 14.21
Date Value
February 23, 2023 14.52
February 22, 2023 14.94
February 21, 2023 15.68
February 17, 2023 16.25
February 16, 2023 15.15
February 15, 2023 16.57
February 14, 2023 16.62
February 13, 2023 17.35
February 10, 2023 17.41
February 09, 2023 17.51
February 08, 2023 18.82
February 07, 2023 19.61
February 06, 2023 20.81
February 03, 2023 20.87
February 02, 2023 21.07
February 01, 2023 21.34
January 31, 2023 20.87
January 30, 2023 21.13
January 27, 2023 21.07
January 26, 2023 21.39
January 25, 2023 21.81
January 24, 2023 22.86
January 23, 2023 23.01
January 20, 2023 24.33
January 19, 2023 22.96

Price to Earnings Ratio (PE Ratio) Definition

The Price to Earnings Ratio (PE Ratio) is calculated by taking the stock price / EPS Diluted (TTM). This metric is considered a valuation metric that confirms whether the earnings of a company justifies the stock price. There isn't necesarily an optimum PE ratio, since different industries will have different ranges of PE Ratios. Because of this, PE Ratio is great to evaluate from a relative standpoint with other similar companies.

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PE Ratio Range, Past 5 Years

View PE Ratio Range, Past 5 Years
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PE Ratio Related Metrics

PS Ratio 1.672
Price to Book Value 1.704
Price 10.16
Earnings Yield -13.45%
Market Cap 18.05M