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Apple Inc (NAS:AAPL)
Shiller P/E Ratio
22.87 (As of Today)

As of today, Apple Inc's current share price is $93.99. Apple Inc's E10 for the quarter that ended in Dec. 2015 was $4.11. Apple Inc's Shiller P/E Ratio for today is 22.87.

AAPL' s Shiller P/E Ratio Range Over the Past 10 Years
Min: 22.8   Max: 187
Current: 22.87


During the past 13 years, Apple Inc's highest Shiller P/E Ratio was 187.00. The lowest was 22.80. And the median was 58.74.

AAPL's Shiller P/E Ratio is ranked higher than
55% of the 431 Companies
in the Global Consumer Electronics industry.

( Industry Median: 9999.00 vs. AAPL: 22.87 )

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.

Apple Inc's adjusted earnings per share data for the three months ended in Dec. 2015 was $3.280. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $4.11 for the trailing ten years ended in Dec. 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.

Apple 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.

Apple Inc's E10 for the fiscal year that ended in Sep15 is calculated as:

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

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

Current CPI (Dec. 2015) = 236.525.

Apple Inc Quarterly Data

per share eps 1.1902.0701.6601.2801.4203.0602.3301.8501.9703.280
CPI 234.149233.049236.293238.343238.031234.812236.119238.638237.945236.525
Adj_EPS 1.2022.1011.6621.2701.4113.0822.3341.8341.9583.280
per share eps 0.9141.1131.0071.9811.7571.3311.2391.9731.4411.070
CPI 223.467225.722226.889225.672229.392229.478231.407229.601232.773233.504
Adj_EPS 0.9671.1661.0502.0761.8121.3721.2662.0321.4641.084
per share eps 0.3830.3570.2560.2870.3970.5240.4760.5010.6630.919
CPI 218.783210.228212.709215.693215.969215.949217.631217.965218.439219.179
Adj_EPS 0.4140.4020.2850.3150.4350.5740.5170.5440.7180.992
per share eps 0.0670.0770.0890.1630.1240.1310.1440.2510.1660.170
CPI 199.800202.900202.900201.800205.352208.352208.490210.036213.528218.815
Adj_EPS 0.0790.0900.1040.1910.1430.1490.1630.2830.1840.184

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.

Apple Inc Annual Data

ShillerPE 144.45131.0561.7470.6370.4454.4657.4930.3534.3628.79

Apple Inc Quarterly Data

ShillerPE 30.3532.7229.0633.2834.3634.4736.2834.4328.7925.61
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