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Finisar Corp (NAS:FNSR)
Shiller P/E Ratio
(As of Today)

As of today, Finisar Corp's current share price is $12.32. Finisar Corp's E10 for the quarter that ended in Oct. 2015 was $-0.59. Finisar Corp's Shiller P/E Ratio for today is .

During the past 13 years, Finisar Corp's highest Shiller P/E Ratio was 93.95. The lowest was 0.00. And the median was 46.86.

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.

Finisar Corp's adjusted earnings per share data for the three months ended in Oct. 2015 was $0.060. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $-0.59 for the trailing ten years ended in Oct. 2015.


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.

Finisar Corp's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=12.32/-0.59
=

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

Finisar Corp's E10 for the fiscal year that ended in Apr15 is calculated as:

For example, Finisar Corp's adjusted earnings per share data for the three months ended in Oct. 2015 was:

Adj_EPS=Earnigns per Share/CPI of Oct. 2015 (Change)*Current CPI (Oct. 2015)
=0.06/237.838*237.838
=0.060

Current CPI (Oct. 2015) = 237.838.

Finisar Corp Quarterly Data

201307201310201401201404201407201410201501201504201507201510
per share eps 0.2600.2900.2600.2700.140-0.1100.0200.0700.0300.060
CPI 233.596233.546233.916237.072238.250237.433233.707236.599238.654237.838
Adj_EPS 0.2650.2950.2640.2710.140-0.1100.0200.0700.0300.060
201101201104201107201110201201201204201207201210201301201304
per share eps 0.2200.1600.1100.0600.0900.190-0.0700.000-0.0400.040
CPI 220.223224.906225.922226.421226.665230.085229.104231.317230.280232.531
Adj_EPS 0.2380.1690.1160.0630.0940.196-0.0730.000-0.0410.041
200807200810200901200904200907200910201001201004201007201010
per share eps 0.160-3.520-0.830-0.7700.430-0.4900.0800.2200.2300.390
CPI 219.964216.573211.143213.240215.351216.177216.687218.009218.011218.711
Adj_EPS 0.173-3.866-0.935-0.8590.475-0.5390.0880.2400.2510.424
200601200604200607200610200701200704200707200710200801200804
per share eps 0.160-0.0800.000-0.8000.010-0.400-0.160-0.240-0.240-1.200
CPI 198.300201.500203.500201.800202.416206.686208.299208.936211.080214.823
Adj_EPS 0.192-0.0940.000-0.9430.012-0.460-0.183-0.273-0.270-1.329

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.

Finisar Corp Annual Data

Apr06Apr07Apr08Apr09Apr10Apr11Apr12Apr13Apr14Apr15
ShillerPE 0.000.000.000.000.000.000.000.000.000.00

Finisar Corp Quarterly Data

Jul13Oct13Jan14Apr14Jul14Oct14Jan15Apr15Jul15Oct15
ShillerPE 0.000.000.000.000.000.000.000.000.000.00
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