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Cardiovascular Systems Inc  (NAS:CSII) E10: $-3.49 (As of Sep. 2017)

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.

Cardiovascular Systems Inc's adjusted earnings per share data for the three months ended in Sep. 2017 was $-0.060. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $-3.49 for the trailing ten years ended in Sep. 2017.

As of today, Cardiovascular Systems Inc's current stock price is $25.15. Cardiovascular Systems Inc's E10 for the quarter that ended in Sep. 2017 was $-3.49. Cardiovascular Systems Inc's Shiller PE Ratio of today is .

During the past 13 years, the highest Shiller PE Ratio of Cardiovascular Systems Inc was 107.62. The lowest was 0.00. And the median was 38.82.


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.

Cardiovascular Systems Inc Annual Data

Dec08 Jun09 Jun10 Jun11 Jun12 Jun13 Jun14 Jun15 Jun16 Jun17
E10 Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 -75.28 -18.66 -2.53 -4.00

Cardiovascular Systems Inc Quarterly Data

Dec12 Mar13 Jun13 Sep13 Dec13 Mar14 Jun14 Sep14 Dec14 Mar15 Jun15 Sep15 Dec15 Mar16 Jun16 Sep16 Dec16 Mar17 Jun17 Sep17
E10 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 -2.27 -2.38 -2.03 -4.00 -3.49

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.


Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today’s price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

For example, Cardiovascular Systems Inc's adjusted earnings per share data for the three months ended in Sep. 2017 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Sep. 2017 (Change)*Current CPI (Sep. 2017)
=-0.06/246.819*246.819
=-0.060

Current CPI (Sep. 2017) = 246.819.

Cardiovascular Systems Inc Quarterly Data

per share eps CPI Adj_EPS
200712 -6.300 210.036 -7.403
200803 -3.300 213.528 -3.815
200806 -6.900 218.815 -7.783
200809 -3.700 218.783 -4.174
200812 -1.300 210.228 -1.526
200903 -0.320 212.709 -0.371
200906 -0.560 215.693 -0.641
200909 -0.430 215.969 -0.491
200912 -0.460 215.949 -0.526
201003 -0.440 217.631 -0.499
201006 -0.290 217.965 -0.328
201009 -0.280 218.439 -0.316
201012 -0.130 219.179 -0.146
201103 -0.150 223.467 -0.166
201106 -0.150 225.722 -0.164
201109 -0.220 226.889 -0.239
201112 -0.230 225.672 -0.252
201203 -0.230 229.392 -0.247
201206 -0.240 229.478 -0.258
201209 -0.260 231.407 -0.277
201212 -0.280 229.601 -0.301
201303 -0.290 232.773 -0.307
201306 -0.290 233.504 -0.307
201309 -0.290 234.149 -0.306
201312 -0.320 233.049 -0.339
201403 -0.320 236.293 -0.334
201406 -0.310 238.343 -0.321
201409 -0.260 238.031 -0.270
201412 -0.170 234.812 -0.179
201503 -0.340 236.119 -0.355
201506 -0.270 238.638 -0.279
201509 -0.410 237.945 -0.425
201512 -0.470 236.525 -0.490
201603 -0.690 238.132 -0.715
201606 -0.150 241.018 -0.154
201609 -0.060 241.428 -0.061
201612 0.030 241.432 0.031
201703 -0.050 243.801 -0.051
201706 0.020 244.955 0.020
201709 -0.060 246.819 -0.060

Add all the adjusted EPS together and divide 10 will get our e10.


Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

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.

Cardiovascular Systems Inc's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=25.15/-3.49
=

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

During the past 13 years, the highest Shiller P/E Ratio of Cardiovascular Systems Inc was 107.62. The lowest was 0.00. And the median was 38.82.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


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