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Aruba Networks Inc (NAS:ARUN)
Shiller P/E Ratio
0.00 (As of Today)

As of today, Aruba Networks Inc's current share price is $18.06. Aruba Networks Inc's E10 for the quarter that ended in Apr. 2014 was $-0.14. Aruba Networks Inc's Shiller P/E Ratio for today is 0.00.

ARUN' s 10-Year Shiller P/E Ratio Range
Min: -160.5   Max: 0.26
Current: 0

-160.5
0.26

During the past 12 years, Aruba Networks Inc's highest Shiller P/E Ratio was 0.26. The lowest was -160.50. And the median was 0.18.

ARUN's Shiller P/E Ratiois ranked lower than
57% of the 682 Companies
in the Global Communication Equipment industry.

( Industry Median: 9999.00 vs. ARUN: 0.00 )

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.

Aruba Networks Inc's adjusted earnings per share data for the three months ended in Apr. 2014 was $-0.061. Since most companies do not have as long as 10 years history, here we use 6 years to calculate. Add all the adjusted EPS for the past 6 years together and divide 6 will get our E10, which is $-0.14 for the trailing six years ended in Apr. 2014.


Definition

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.

Aruba Networks Inc's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=18.06/-0.14
=

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Aruba Networks Inc's E10 for the fiscal year that ended in Jul13 is calculated as:

For example, Aruba Networks Inc's adjusted earnings per share data for the three months ended in Apr. 2014 was:

Adj_EPS=Earnigns per Share/CPI of Apr. 2014*CPI of Current
=-0.06/237.072*239.556
=-0.061

Since most companies do not have as long as 10 years history, here we use 6 years to calculate:

Current CPI = 239.556.

Aruba Networks Inc Quarterly Data

201201201204201207201210201301201304201307201310201401201404
per share eps -0.1100.050-0.027-0.0100.040-0.180-0.136-0.070-0.100-0.060
CPI 226.665230.085229.104231.317230.280232.531233.596233.546233.916237.072
Adj_EPS -0.1160.052-0.028-0.0100.042-0.185-0.139-0.072-0.102-0.061
200907200910201001201004201007201010201101201104201107201110
per share eps -0.052-0.280-0.050-0.0600.0050.020-0.0300.0300.5700.000
CPI 215.351216.177216.687218.009218.011218.711220.223224.906225.922226.421
Adj_EPS -0.058-0.310-0.055-0.0660.0050.022-0.0330.0320.6040.000
200807200810200901200904
per share eps -0.084-0.080-0.080-0.070
CPI 219.964216.573211.143213.240
Adj_EPS -0.091-0.088-0.091-0.079

Add all the adjusted EPS together and divide 6 will get our E10.


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.


Related Terms

P/E Ratio, P/B Ratio, P/S Ratio, Price-to-Free-Cash-Flow ratio, E10


Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Aruba Networks Inc Annual Data

Jul04Jul05Jul06Jul07Jul08Jul09Jul10Jul11Jul12Jul13
ShillerPE 0.000.000.000.000.000.000.000.00-90.000.00

Aruba Networks Inc Quarterly Data

Jan12Apr12Jul12Oct12Jan13Apr13Jul13Oct13Jan14Apr14
ShillerPE 0.000.00-90.00-126.970.000.000.000.000.000.00
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