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Westlake Chemical Corp (NYSE:WLK)
Operating Income
$1,134 Mil (TTM As of Jun. 2015)

Westlake Chemical Corp's operating income for the three months ended in Jun. 2015 was $295 Mil. Its operating income for the trailing twelve months (TTM) ended in Jun. 2015 was $1,134 Mil.

Operating margin is calculated as operating income divided by its revenue. Westlake Chemical Corp's operating income for the three months ended in Jun. 2015 was $295 Mil. Westlake Chemical Corp's revenue for the three months ended in Jun. 2015 was $1,185 Mil. Therefore, Westlake Chemical Corp's operating margin for the quarter that ended in Jun. 2015 was 24.93%.

Good Sign:

Westlake Chemical Corp operating margin is expanding. Margin expansion is usually a good sign.

Westlake Chemical Corp's 3-Year average Growth Rate for operating margin was 37.50% per year.

Operating Income or EBIT is linked to Return on Capital for both regular definition and Joel Greenblatt’s definition. Westlake Chemical Corp's annualized return on capital for the quarter that ended in Jun. 2015 was 28.34%. Westlake Chemical Corp's annualized return on capital (Joel Greenblatt’s) for the quarter that ended in Jun. 2015 was 37.16%.


Definition

Operating income, is the profit a company earned through operations. All expenses, including cash expenses such as cost of goods sold (COGS), research & development, wages, and non-cash expenses, such as depreciation, depletion and amortization, have been deducted from the sales.

Westlake Chemical Corp's Operating Income for the fiscal year that ended in Mar. 2014 is calculated as

Operating Income(A: Mar. 2014 )
=Revenue-Cost of Goods Sold-Selling, General, & Admin. Expense
=3922.513-2761.874-153.175
-Research & Development-Depreciation, Depletion & Amortization-Others
-0-168.424--168.424
=1,007

Westlake Chemical Corp's Operating Income for the quarter that ended in Jun. 2015 is calculated as

Operating Income(Q: Jun. 2015 )
=Revenue-Cost of Goods Sold-Selling, General, & Admin. Expense
=1185.002-831.821-57.807
-Research & Development-Depreciation, Depletion & Amortization-Others (1)
-0-60.34--60.34
=295

Operating Income(Q: Jun. 2015 )
=EBITDA-Depreciation, Depletion & Amortization-Others (2)
=377.772-60.34-22.058
=295

Westlake Chemical Corp Operating Income for the trailing twelve months (TTM) ended in Jun. 2015 was 306.761 (Sep. 2014 ) + 302.387 (Dec. 2014 ) + 229.28 (Mar. 2015 ) + 295.374 (Jun. 2015 ) = $1,134 Mil.

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


Explanation

1. Operating Income or EBIT is linked to Return on Capital for both regular definition and Joel Greenblatt’s definition.

Westlake Chemical Corp's annualized Return on Capital (ROC) for the quarter that ended in Jun. 2015 is calculated as:

Return on Capital (ROC)(Q: Jun. 2015 )
=NOPAT/Average Invested Capital
=Oper. Inc.*(1-Tax Rate)/( (Invested Capital (Q: Mar. 2015 ) + Invested Capital (Q: Jun. 2015 ))/2)
=1181.496 * ( 1 - 31.9% )/( (2798.236 + 2880.05)/2)
=804.598776/2839.143
=28.34 %

where

Invested Capital(Q: Mar. 2015 )
=Book Value of Debt + Book Value of Equity - Cash
=Long-Term Debt + Short-Term Debt + Total Equity - Cash
=764.027 + 0 + 2979.858 - 945.649
=2798.236

Invested Capital(Q: Jun. 2015 )
=Book Value of Debt + Book Value of Equity - Cash
=Long-Term Debt + Short-Term Debt + Total Equity - Cash
=764.056 + 19.175 + 3123.388 - 1026.569
=2880.05

Note: The Operating Income data used here is four times the quarterly (Jun. 2015) operating income data.

2. Joel Greenblatt’s definition of Return on Capital:

Westlake Chemical Corp's annualized Return on Capital (Joel Greenblatt’s) for the quarter that ended in Jun. 2015 is calculated as:

ROC (Joel Greenblatt’s)(Q: Jun. 2015 )
=EBIT/Average of (Net fixed Assets + Net Working Capital)
=EBIT/Average of (Net PPE+Net Working Capital)
     Q: Mar. 2015  Q: Jun. 2015
=EBIT/( ( (Net PPE + Net Working Capital) + (Net PPE + Net Working Capital) )/2 )
=1269.728/( ( (2751.486 + max(603.306, 0)) + (2855.508 + max(624.188, 0)) )/2 )
=1269.728/( ( 3354.792 + 3479.696 )/2 )
=1269.728/3417.244
=37.16 %

where Working Capital is:

Working Capital(Q: Mar. 2015 )
=(Accts Rec. + Inventory + Other Curr. Ass.) - (Accts Pay. + Defer. Rev. + Other Curr. Liab.)
=(487.003 + 480.38 + 89.13) - (453.207 + 0 + 0)
=603.306

Working Capital(Q: Jun. 2015 )
=(Accts Rec. + Inventory + Other Curr. Ass.) - (Accts Pay. + Defer. Rev. + Other Curr. Liab.)
=(575.609 + 486.297 + 77.765) - (515.483 + 0 + 1.13686837722E-13)
=624.188

When net working capital is negative, 0 is used.

Note: The Earnings Before Interest and Taxes (EBIT) data used here is four times the quarterly (Jun. 2015) EBIT data.

3. Operating Income is also linked to Operating Margin:

Westlake Chemical Corp's Operating Margin for the quarter that ended in Jun. 2015 is calculated as:

Operating Margin=Operating Income (Q: Jun. 2015 )/Total Revenue (Q: Jun. 2015 )
=295.374/1185.002
=24.93 %

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


Be Aware

Compared with a company’s EBITDA margin, Operating Margin can be manipulated by adjusting the rate of depreciation, depletion and amortization (DDA).

If a company is facing competition, its Operating Margin may decline. Often the Operating Margin declines well before the company’s revenue or even profit decline. Therefore, Operating Margin is a very important indicator of whether the company is facing problems.

For instance, by 2012, Nokia (NOK)’s problems were well known and its stock had lost more than 90% of its market value since 2007. But Nokia’s Operating Margin had already been in decline since 2002, although its earnings per share were still rising. Investors who paid attention to Operating Margin would have avoided this huge loss. The same can be said for Research-in-Motion (RIMM).

Therefore, Operating Margin is a very important screening filter for GuruFocus. GuruFocus’s Buffett-Munger screener requires that the profit margin is either consistent or expanding. The Model Portfolio of the Buffett-Munger screener has outperformed the market every year since inception in 2009.


Related Terms

Revenue, Cost of Goods Sold, Selling, General, & Admin. Expense, Research & Development, Gross Profit, EBITDA, Depreciation, Depletion and Amortization, Return on Capital, Return on Capital (Joel Greenblatt’s), Earnings Yield, Operating Margin, EBIT


Historical Data

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

Westlake Chemical Corp Annual Data

Jun05Mar06Mar07Mar08Mar09Mar10Mar11Mar12Mar13Mar14
Operating Income 335376235156-441434854526641,007

Westlake Chemical Corp Quarterly Data

Mar13Jun13Sep13Dec13Mar14Jun14Sep14Dec14Mar15Jun15
Operating Income 194235267258248267307302229295
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