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Westell Technologies Inc (NAS:WSTL)
Shiller P/E Ratio
(As of Today)

As of today, Westell Technologies Inc's current share price is $0.73. Westell Technologies Inc's E10 for the quarter that ended in Mar. 2016 was $-0.15. Westell Technologies Inc's Shiller P/E Ratio for today is .

During the past 13 years, Westell Technologies Inc's highest Shiller P/E Ratio was 63.00. The lowest was 0.00. And the median was 18.25.

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.

Westell Technologies Inc's adjusted earnings per share data for the three months ended in Mar. 2016 was $-0.083. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $-0.15 for the trailing ten years ended in Mar. 2016.


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.

Westell Technologies Inc's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=0.73/-0.15
=

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

Westell Technologies Inc's E10 for the fiscal year that ended in Mar16 is calculated as:

For example, Westell Technologies Inc's adjusted earnings per share data for the three months ended in Mar. 2016 was:

Adj_EPS=Earnigns per Share/CPI of Mar. 2016 (Change)*Current CPI (Mar. 2016)
=-0.083/238.132*238.132
=-0.083

Current CPI (Mar. 2016) = 238.132.

Westell Technologies Inc Quarterly Data

201312201403201406201409201412201503201506201509201512201603
per share eps 0.0300.064-0.050-0.260-0.460-0.216-0.060-0.040-0.080-0.083
CPI 233.049236.293238.343238.031234.812236.119238.638237.945236.525238.132
Adj_EPS 0.0310.064-0.050-0.260-0.467-0.218-0.060-0.040-0.081-0.083
201106201109201112201203201206201209201212201303201306201309
per share eps 0.3000.0500.290-0.038-0.030-0.040-0.030-0.656-0.0500.020
CPI 225.722226.889225.672229.392229.478231.407229.601232.773233.504234.149
Adj_EPS 0.3160.0520.306-0.039-0.031-0.041-0.031-0.671-0.0510.020
200812200903200906200909200912201003201006201009201012201103
per share eps -0.060-0.0290.0300.0400.0400.0400.0700.0700.0400.785
CPI 210.228212.709215.693215.969215.949217.631217.965218.439219.179223.467
Adj_EPS -0.068-0.0320.0330.0440.0440.0440.0760.0760.0430.837
200606200609200612200703200706200709200712200803200806200809
per share eps 0.0400.0500.0300.008-0.010-0.010-0.040-1.022-0.080-0.070
CPI 202.900202.900201.800205.352208.352208.490210.036213.528218.815218.783
Adj_EPS 0.0470.0590.0350.009-0.011-0.011-0.045-1.140-0.087-0.076

Add all the adjusted EPS together and divide 10 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.

Westell Technologies Inc Annual Data

Mar07Mar08Mar09Mar10Mar11Mar12Mar13Mar14Mar15Mar16
ShillerPE 0.000.000.000.000.0011.1016.1453.070.000.00

Westell Technologies Inc Quarterly Data

Dec13Mar14Jun14Sep14Dec14Mar15Jun15Sep15Dec15Mar16
ShillerPE 41.8853.0741.5772.290.000.000.000.000.000.00
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