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NorthWestern Corp (NYSE:NWE)
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

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

NWE' s Piotroski F-Score Range Over the Past 10 Years
Min: 1   Max: 8
Current: 5

1
8

During the past 13 years, the highest Piotroski F-Score of NorthWestern Corp was 8. The lowest was 1. 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 (Sep15) TTM:Last Year (Sep14) TTM:
Net Income was 37.169 + 51.425 + 30.973 + 23.798 = $143 Mil.
Cash Flow from Operations was 45.073 + 126.801 + 63.537 + 114.139 = $350 Mil.
Revenue was 312.947 + 346.011 + 270.56 + 272.739 = $1,202 Mil.
Gross Profit was 204.85 + 233.62 + 191.033 + 199.162 = $829 Mil.
Average Total Assets from the begining of this year (Sep14)
to the end of this year (Sep15) was
(3874.298 + 4973.943 + 4989.091 + 5060.068 + 5235.078) / 5 = $4826.4956 Mil.
Total Assets at the begining of this year (Sep14) was $3,874 Mil.
Long-Term Debt was $1,809 Mil.
Total Current Assets was $316 Mil.
Total Current Liabilities was $575 Mil.
Net Income was 26.093 + 45.58 + 7.746 + 30.191 = $110 Mil.

Revenue was 319.09 + 369.723 + 270.281 + 251.912 = $1,211 Mil.
Gross Profit was 182.951 + 202.295 + 157.807 + 157.32 = $700 Mil.
Average Total Assets from the begining of last year (Sep13)
to the end of last year (Sep14) was
(3633.65 + 3715.26 + 3751.258 + 3791.777 + 3874.298) / 5 = $3753.2486 Mil.
Total Assets at the begining of last year (Sep13) was $3,634 Mil.
Long-Term Debt was $1,211 Mil.
Total Current Assets was $320 Mil.
Total Current Liabilities was $493 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.

NorthWestern Corp's current net income (TTM) was 143. ==> 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.

NorthWestern Corp's current cash flow from operations (TTM) was 350. ==> 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 (Sep14)
=143.365/3874.298
=0.03700412

ROA (Last Year)=Net Income (TTM)/Total Assets at the Beginning of Last Year (Sep13)
=109.61/3633.65
=0.03016526

NorthWestern Corp's return on assets of this year was 0.03700412. NorthWestern Corp's return on assets of last year was 0.03016526. ==> This year is higher. ==> Score 1.

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.

NorthWestern Corp's current net income (TTM) was 143. NorthWestern Corp's current cash flow from operations (TTM) was 350. ==> 350 > 143 ==> 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: Sep15)=Long-Term Debt/Average Total Assets from Sep14 to Sep15
=1808.925/4826.4956
=0.37479056

Gearing (Last Year: Sep14)=Long-Term Debt/Average Total Assets from Sep13 to Sep14
=1210.697/3753.2486
=0.32257309

NorthWestern Corp's gearing of this year was 0.37479056. NorthWestern Corp's gearing of last year was 0.32257309. ==> Last year is lower than this year ==> Score 0.

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: Sep15)=Total Current Assets/Total Current Liabilities
=315.836/574.913
=0.54936312

Current Ratio (Last Year: Sep14)=Total Current Assets/Total Current Liabilities
=320.48/493.07
=0.64996856

NorthWestern Corp's current ratio of this year was 0.54936312. NorthWestern Corp's current ratio of last year was 0.64996856. ==> 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.

NorthWestern Corp's number of shares in issue this year was 47.1. NorthWestern Corp's number of shares in issue last year was 39.1. ==> There is larger number of shares in issue this year. ==> Score 0.

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
=828.665/1202.257
=0.68925779

Gross Margin (Last Year: TTM)=Gross Profit/Revenue
=700.373/1211.006
=0.57833983

NorthWestern Corp's gross margin of this year was 0.68925779. NorthWestern Corp's gross margin of last year was 0.57833983. ==> This year's gross margin is higher. ==> Score 1.

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 (Sep14)
=1202.257/3874.298
=0.31031609

Asset Turnover (Last Year)=Revenue (TTM)/Total Assets at the Beginning of Last Year (Sep13)
=1211.006/3633.65
=0.33327536

NorthWestern Corp's asset turnover of this year was 0.31031609. NorthWestern Corp's asset turnover of last year was 0.33327536. ==> 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+1+1+0+0+0+1+0
=5

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

NorthWestern 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.

NorthWestern Corp Annual Data

Dec05Dec06Dec07Dec08Dec09Dec10Dec11Dec12Dec13Dec14
Question 1 1111111111
Question 2 1111111111
Question 3 1011111101
Question 4 1111111111
Question 5 1001001000
Question 6 0100110110
Question 7 1101010000
Question 8 0001111101
Question 9 1010000000
F-score 7557676645

NorthWestern Corp Quarterly Data

Jun13Sep13Dec13Mar14Jun14Sep14Dec14Mar15Jun15Sep15
Question 1 1111111111
Question 2 1111111111
Question 3 1100001111
Question 4 1111111111
Question 5 0100000000
Question 6 1011000000
Question 7 0000000000
Question 8 1100001111
Question 9 0001100000
F-score 6645435555
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