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Westlake Chemical Corp (NYSE:WLK)
Piotroski F-Score
5 (As of Today)

The zones of discrimination were as such:

Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3

Westlake Chemical Corp has an F-score of 5 indicating the company's financial situation is typical for a stable company.

WLK' s Piotroski F-Score Range Over the Past 10 Years
Min: 3   Max: 9
Current: 5

3
9

During the past 13 years, the highest Piotroski F-Score of Westlake Chemical Corp was 9. The lowest was 3. And the median was 5.


Definition

How is the Piotroski F-Score calculated?

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

This Year (Jun16) TTM:Last Year (Jun15) TTM:
Net Income was 183.604 + 110.969 + 123.128 + 111.124 = $529 Mil.
Cash Flow from Operations was 405.945 + 237.536 + 128.935 + 240.957 = $1,013 Mil.
Revenue was 1188.037 + 986.766 + 975.187 + 1086.061 = $4,236 Mil.
Gross Profit was 311.276 + 236.188 + 255.585 + 241.366 = $1,044 Mil.
Average Total Assets from the begining of this year (Jun15)
to the end of this year (Jun16) was
(5411.01 + 5524.405 + 5575.252 + 5724.401 + 5920.564) / 5 = $5631.1264 Mil.
Total Assets at the begining of this year (Jun15) was $5,411 Mil.
Long-Term Debt was $758 Mil.
Total Current Assets was $2,190 Mil.
Total Current Liabilities was $620 Mil.
Net Income was 167.757 + 183.291 + 146.342 + 205.095 = $702 Mil.

Revenue was 1253.227 + 1135.871 + 1103.531 + 1185.002 = $4,678 Mil.
Gross Profit was 361.52 + 362.849 + 284.546 + 353.181 = $1,362 Mil.
Average Total Assets from the begining of last year (Jun14)
to the end of last year (Jun15) was
(4369.369 + 5126.283 + 5213.99 + 5179.785 + 5411.01) / 5 = $5060.0874 Mil.
Total Assets at the begining of last year (Jun14) was $4,369 Mil.
Long-Term Debt was $764 Mil.
Total Current Assets was $2,166 Mil.
Total Current Liabilities was $535 Mil.

Profitability

Question 1. Return on Assets (ROA)

Net income before extraordinary items for the year divided by total assets at the beginning of the year.

Score 1 if positive, 0 if negative.

Westlake Chemical Corp's current net income (TTM) was 529. ==> Positive ==> Score 1.

Question 2. Cash Flow Return on Assets (CFROA)

Net cash flow from operating activities (operating cash flow) divided by total assets at the beginning of the year.

Score 1 if positive, 0 if negative.

Westlake Chemical Corp's current cash flow from operations (TTM) was 1,013. ==> Positive ==> Score 1.

Question 3. Change in Return on Assets

Compare this year’s return on assets (1) to last year’s return on assets.

Score 1 if it’s higher, 0 if it’s lower.

ROA (This Year)=Net Income (TTM)/Total Assets at the Beginning of This Year (Jun15)
=528.825/5411.01
=0.09773129

ROA (Last Year)=Net Income (TTM)/Total Assets at the Beginning of Last Year (Jun14)
=702.485/4369.369
=0.16077493

Westlake Chemical Corp's return on assets of this year was 0.09773129. Westlake Chemical Corp's return on assets of last year was 0.16077493. ==> Last year is higher ==> Score 0.

Question 4. Quality of Earnings (Accrual)

Compare Cash flow return on assets (2) to return on assets (1)

Score 1 if CFROA > ROA, 0 if CFROA <= ROA.

Westlake Chemical Corp's current net income (TTM) was 529. Westlake Chemical Corp's current cash flow from operations (TTM) was 1,013. ==> 1,013 > 529 ==> CFROA > ROA ==> Score 1.

Funding

Question 5. Change in Gearing or Leverage

Compare this year’s gearing (long-term debt divided by average total assets) to last year’s gearing.

Score 0 if this year's gearing is higher, 1 otherwise.

Gearing (This Year: Jun16)=Long-Term Debt/Average Total Assets from Jun15 to Jun16
=758.453/5631.1264
=0.13468939

Gearing (Last Year: Jun15)=Long-Term Debt/Average Total Assets from Jun14 to Jun15
=764.056/5060.0874
=0.1509966

Westlake Chemical Corp's gearing of this year was 0.13468939. Westlake Chemical Corp's gearing of last year was 0.1509966. ==> This year is lower or equal to last year. ==> Score 1.

Question 6. Change in Working Capital (Liquidity)

Compare this year’s current ratio (current assets divided by current liabilities) to last year’s current ratio.

Score 1 if this year'’s current ratio is higher, 0 if it’s lower

Current Ratio (This Year: Jun16)=Total Current Assets/Total Current Liabilities
=2190.041/620.101
=3.53174886

Current Ratio (Last Year: Jun15)=Total Current Assets/Total Current Liabilities
=2166.24/534.658
=4.05163675

Westlake Chemical Corp's current ratio of this year was 3.53174886. Westlake Chemical Corp's current ratio of last year was 4.05163675. ==> Last year's current ratio is higher ==> Score 0.

Question 7. Change in Shares in Issue

Compare the number of shares in issue this year, to the number in issue last year.

Score 0 if there is larger number of shares in issue this year, 1 otherwise.

Westlake Chemical Corp's number of shares in issue this year was 130. Westlake Chemical Corp's number of shares in issue last year was 133. ==> There is smaller number of shares in issue this year, or the same. ==> Score 1.

Efficiency

Question 8. Change in Gross Margin

Compare this year’s gross margin (gross profit divided by sales) to last year’s.

Score 1 if this year’s gross margin is higher, 0 if it’s lower.

Gross Margin (This Year: TTM)=Gross Profit/Revenue
=1044.415/4236.051
=0.24655392

Gross Margin (Last Year: TTM)=Gross Profit/Revenue
=1362.096/4677.631
=0.29119356

Westlake Chemical Corp's gross margin of this year was 0.24655392. Westlake Chemical Corp's gross margin of last year was 0.29119356. ==> Last year's gross margin is higher ==> Score 0.

Question 9. Change in asset turnover

Compare this year’s asset turnover (total sales for the year divided by total assets at the beginning of the year) to last year’s asset turnover ratio.

Score 1 if this year’s asset turnover ratio is higher, 0 if it’s lower

Asset Turnover (This Year)=Revenue (TTM)/Total Assets at the Beginning of This Year (Jun15)
=4236.051/5411.01
=0.78285773

Asset Turnover (Last Year)=Revenue (TTM)/Total Assets at the Beginning of Last Year (Jun14)
=4677.631/4369.369
=1.07055069

Westlake Chemical Corp's asset turnover of this year was 0.78285773. Westlake Chemical Corp's asset turnover of last year was 1.07055069. ==> Last year's asset turnover is higher ==> Score 0.

Evaluation

Piotroski F-Score= Que. 1+ Que. 2+ Que. 3+Que. 4+Que. 5+Que. 6+Que. 7+Que. 8+Que. 9
=1+1+0+1+1+0+1+0+0
=5

Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3

Westlake Chemical Corp has an F-score of 5 indicating the company's financial situation is typical for a stable company.


Explanation

The developer of the system is Joseph D. Piotroski is relatively unknown accounting professor who shuns publicity and rarely gives interviews.

He graduated from the University of Illinois with a B.S. in accounting in 1989, received an M.B.A. from Indiana University in 1994. Five years later, in 1999, after earning a Ph.D. in accounting from the University of Michigan, he became an associate professor of accounting at the University of Chicago.

In 2000, he wrote a research paper called "Value Investing: The Use of Historical Financial Statement Information to Separate Winners from Losers" (pdf).

He wanted to see if he can develop a system (using a simple nine-point scoring system) that can increase the returns of a strategy of investing in low price to book (referred to in the paper as high book to market) value companies.

What he found was something that exceeded his most optimistic expectations.

Buying only those companies that scored highest (8 or 9) on his nine-point scale, or F-Score as he called it, over the 20 year period from 1976 to 1996 led to an average out-performance over the market of 13.4%.

Even more impressive were the results of a strategy of investing in the highest F-Score companies (8 or 9) and shorting companies with the lowest F-Score (0 or 1).

Over the same period from 1976 to 1996 (20 years) this strategy led to an average yearly return of 23%, substantially outperforming the average S&P 500 index return of 15.83% over the same period.


Related Terms

Net Income, Cash Flow from Operations, Revenue, Gross Profit, Total Assets, Long-Term Debt, Total Current Assets, Total Current Liabilities


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

Dec06Dec07Dec08Dec09Dec10Dec11Dec12Dec13Dec14Dec15
Question 1 1101111111
Question 2 1111111111
Question 3 0001101100
Question 4 1011111111
Question 5 1010011111
Question 6 0010110001
Question 7 0000100011
Question 8 0001111110
Question 9 0100100100
F-score 4345866766

Westlake Chemical Corp Quarterly Data

Mar14Jun14Sep14Dec14Mar15Jun15Sep15Dec15Mar16Jun16
Question 1 1111111111
Question 2 1111111111
Question 3 1110000000
Question 4 1111111111
Question 5 1111111111
Question 6 1100001100
Question 7 1101111111
Question 8 1111000000
Question 9 1110000000
F-score 9976556655
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