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Arena Pharmaceuticals Shiller PE Ratio

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As of today (2019-10-20), Arena Pharmaceuticals's current share price is $48.82. Arena Pharmaceuticals's E10 for the quarter that ended in Jun. 2019 was $-3.94. Arena Pharmaceuticals's Shiller P/E Ratio for today is .

During the past years, Arena Pharmaceuticals's highest Shiller P/E Ratio was 1.86. The lowest was -4.80. And the median was 1.28.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Arena Pharmaceuticals's adjusted earnings per share data for the three months ended in Jun. 2019 was $-1.240. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $-3.94 for the trailing ten years ended in Jun. 2019.


Arena Pharmaceuticals Shiller PE Ratio Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

* Premium members only.

Arena Pharmaceuticals Annual Data
Dec09 Dec10 Dec11 Dec12 Dec13 Dec14 Dec15 Dec16 Dec17 Dec18
Shiller PE Ratio Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Arena Pharmaceuticals Quarterly Data
Sep14 Dec14 Mar15 Jun15 Sep15 Dec15 Mar16 Jun16 Sep16 Dec16 Mar17 Jun17 Sep17 Dec17 Mar18 Jun18 Sep18 Dec18 Mar19 Jun19
Shiller PE Ratio Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Competitive Comparison
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap.


Arena Pharmaceuticals Shiller PE Ratio Distribution

* The bar in red indicates where Arena Pharmaceuticals's Shiller PE Ratio falls into.



Arena Pharmaceuticals Shiller PE Ratio Calculation

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Arena Pharmaceuticals's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/ E10
=48.82/-3.94
=

* All numbers are in millions except for per share data and ratio. All numbers are in their local exchange's currency.

Arena Pharmaceuticals's E10 for the fiscal year that ended in Dec18 is calculated as:

For example, Arena Pharmaceuticals's adjusted earnings per share data for the three months ended in Jun. 2019 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2019 (Change)*Current CPI (Jun. 2019)
=-1.24/256.143*256.143
=-1.240

Current CPI (Jun. 2019) = 256.143.

Arena Pharmaceuticals Quarterly Data

per_share_eps CPI Adj_EPS
200909 -3.800 215.969 -4.507
200912 -3.100 215.949 -3.677
201003 -3.300 217.631 -3.884
201006 -2.800 217.965 -3.290
201009 -3.100 218.439 -3.635
201012 -2.300 219.179 -2.688
201103 -3.500 223.467 -4.012
201106 -1.600 225.722 -1.816
201109 -1.600 226.889 -1.806
201112 -1.600 225.672 -1.816
201203 -1.800 229.392 -2.010
201206 -1.200 229.478 -1.339
201209 -0.700 231.407 -0.775
201212 -1.000 229.601 -1.116
201303 -0.900 232.773 -0.990
201306 1.800 233.504 1.975
201309 -0.800 234.149 -0.875
201312 -1.100 233.049 -1.209
201403 -1.200 236.293 -1.301
201406 0.300 238.343 0.322
201409 -0.500 238.031 -0.538
201412 -1.500 234.812 -1.636
201503 -1.000 236.119 -1.085
201506 -1.100 238.638 -1.181
201509 -1.100 237.945 -1.184
201512 -1.300 236.525 -1.408
201603 -0.900 238.132 -0.968
201606 -1.120 241.018 -1.190
201609 -0.510 241.428 -0.541
201612 1.600 241.432 1.697
201703 -0.900 243.801 -0.946
201706 -0.770 244.955 -0.805
201709 -0.860 246.819 -0.892
201712 -0.350 246.524 -0.364
201803 -0.800 249.554 -0.821
201806 -0.650 251.989 -0.661
201809 -0.700 252.439 -0.710
201812 1.350 251.233 1.376
201903 12.100 254.202 12.192
201906 -1.240 256.143 -1.240

Add all the adjusted EPS together and divide 10 will get our .


  (:) Explanation

Compared with the regular P/E ratio, which works poorly for cyclical businesses, the Shiller P/E smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller P/E should give similar results to regular P/E.

Compared with the P/S ratio, the Shiller P/E makes the comparison between different industries more meaningful.


Be Aware

The Shiller P/E assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, the Shiller P/E and P/S ratio will give false valuations.


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