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Insperity Inc (NYSE:NSP)
Shiller P/E Ratio
31.21 (As of Today)

As of today, Insperity Inc's current share price is $45.56. Insperity Inc's E10 for the quarter that ended in Sep. 2015 was $1.46. Insperity Inc's Shiller P/E Ratio for today is 31.21.

NSP' s Shiller P/E Ratio Range Over the Past 10 Years
Min: 16.52   Max: 117.86
Current: 31.27


During the past 13 years, Insperity Inc's highest Shiller P/E Ratio was 117.86. The lowest was 16.52. And the median was 26.18.

NSP's Shiller P/E Ratio is ranked lower than
59% of the 233 Companies
in the Global Business Services industry.

( Industry Median: 26.92 vs. NSP: 31.27 )

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.

Insperity Inc's adjusted earnings per share data for the three months ended in Sep. 2015 was $0.480. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $1.46 for the trailing ten years ended in Sep. 2015.


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.

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

Shiller P/E Ratio=Share Price/E10

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

Insperity Inc's E10 for the fiscal year that ended in Dec14 is calculated as:

For example, Insperity Inc's adjusted earnings per share data for the three months ended in Sep. 2015 was:

Adj_EPS=Earnigns per Share/CPI of Sep. 2015 (Change)*Current CPI (Sep. 2015)

Current CPI (Sep. 2015) = 237.945.

Insperity Inc Quarterly Data

per share eps 0.1400.3900.2100.3700.0700.3300.2700.5400.2900.480
CPI 233.504234.149233.049236.293238.343238.031234.812236.119238.638237.945
Adj_EPS 0.1430.3960.2140.3730.0700.3300.2740.5440.2890.480
per share eps 0.3000.3300.2500.1600.4200.5400.2200.4500.3600.510
CPI 219.179223.467225.722226.889225.672229.392229.478231.407229.601232.773
Adj_EPS 0.3260.3510.2640.1680.4430.5600.2280.4630.3730.521
per share eps 0.4300.4600.3900.3300.2200.230-0.1100.0900.2000.280
CPI 218.815218.783210.228212.709215.693215.969215.949217.631217.965218.439
Adj_EPS 0.4680.5000.4410.3690.2430.253-0.1210.0980.2180.305
per share eps 0.4000.3700.3700.4300.4700.3000.5000.4500.5000.510
CPI 196.800199.800202.900202.900201.800205.352208.352208.490210.036213.528
Adj_EPS 0.4840.4410.4340.5040.5540.3480.5710.5140.5660.568

Add all the adjusted EPS together and divide 10 will get our E10.


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.

Insperity Inc Annual Data

ShillerPE 0.0068.7536.4523.7924.6229.7923.3925.4626.3524.20

Insperity Inc Quarterly Data

ShillerPE 21.9327.1426.3522.4423.7619.4724.2036.5035.3130.12
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