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Shiller P/E Ratio
11.66 (As of Today)

As of today, ONEOK Inc's current share price is $20.18. ONEOK Inc's E10 for the quarter that ended in Sep. 2015 was $1.73. ONEOK Inc's Shiller P/E Ratio for today is 11.66.

OKE' s Shiller P/E Ratio Range Over the Past 10 Years
Min: 6.97   Max: 39.41
Current: 11.66


During the past 13 years, ONEOK Inc's highest Shiller P/E Ratio was 39.41. The lowest was 6.97. And the median was 20.39.

OKE's Shiller P/E Ratio is ranked higher than
72% of the 72 Companies
in the Global Oil & Gas Midstream industry.

( Industry Median: 15.76 vs. OKE: 11.66 )

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.

ONEOK Inc's adjusted earnings per share data for the three months ended in Sep. 2015 was $0.390. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $1.73 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.

ONEOK 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.

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

For example, ONEOK 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.

ONEOK Inc Quarterly Data

per share eps 0.0000.3000.4300.4500.2900.3100.4500.2900.3600.390
CPI 233.504234.149233.049236.293238.343238.031234.812236.119238.638237.945
Adj_EPS 0.0000.3050.4390.4530.2900.3100.4560.2920.3590.390
per share eps 0.3800.5950.2500.2800.5400.5800.2900.3100.5300.540
CPI 219.179223.467225.722226.889225.672229.392229.478231.407229.601232.773
Adj_EPS 0.4130.6340.2640.2940.5690.6020.3010.3190.5490.552
per share eps 0.1950.2750.3250.5800.1950.2250.4350.7200.1950.255
CPI 218.815218.783210.228212.709215.693215.969215.949217.631217.965218.439
Adj_EPS 0.2120.2990.3680.6490.2150.2480.4790.7870.2130.278
per share eps 1.1200.5850.3250.1050.3300.6800.1550.0650.4800.680
CPI 196.800199.800202.900202.900201.800205.352208.352208.490210.036213.528
Adj_EPS 1.3540.6970.3810.1230.3890.7880.1770.0740.5440.758

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.

ONEOK Inc Annual Data

ShillerPE 13.9420.7819.2211.3515.5317.9125.0322.9530.9327.92

ONEOK Inc Quarterly Data

ShillerPE 0.0026.5530.9333.7337.9736.1627.9227.5322.0218.58
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