Zanaga Iron Ore CoLSE:ZIOC -0.61% Piotroski F-Score is 3 as of Jun. 27, 2026, which is at its 10-year median of 3.00. The stock has 1 warning sign investors should review. Among 624 Steel companies, Zanaga Iron Ore Co ranks worse than 81.25% on this metric.
Warning Sign:
Piotroski F-Score of 3 is low, which usually implies poor business operation.
The zones of discrimination were as such:
Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3
Zanaga Iron Ore Co has an F-score of 3. It is a bad or low score, which usually implies poor business operation.
The historical rank and industry rank for Zanaga Iron Ore Co's Piotroski F-Score or its related term are showing as below:
LSE:ZIOC'
s Piotroski F-Score Range Over the Past 10 Years
Min: 2 Med: 3 Max: 5
Current: 3
During the past 13 years, the highest Piotroski F-Score of Zanaga Iron Ore Co was 5. The lowest was 2. And the median was 3.
Zanaga Iron Ore Co (LSE:ZIOC) Piotroski F-Score 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.
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.
Zanaga Iron Ore Co Piotroski F-Score Related Terms
Zanaga Iron Ore Co Piotroski F-Score Historical Data
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The historical data trend for Zanaga Iron Ore Co's Piotroski F-Score can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
LSE:ZIOC vs NUE, STLD, RS: Piotroski F-Score Comparison
For the Steel subindustry, Zanaga Iron Ore Co's Piotroski F-Score, along with its competitors' market caps and Piotroski F-Score data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Zanaga Iron Ore Co Piotroski F-Score vs Steel Industry
For the Steel industry and Basic Materials sector, Zanaga Iron Ore Co's Piotroski F-Score distribution charts can be found below:
* The bar in red indicates where Zanaga Iron Ore Co's Piotroski F-Score falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
*Note: If the latest quarterly/semi-annual/annual total assets data is 0, then we will use previous quarterly/semi-annual/annual data for all the items in the balance sheet.
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.
Zanaga Iron Ore Co's current Net Income (TTM) was -1.82.
==> Negative ==> Score 0.
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.
Zanaga Iron Ore Co's return on assets of this year was -0.02609558. Zanaga Iron Ore Co's return on assets of last year was -0.03031456.
==> This year is higher. ==> Score 1.
Question 4. Quality of Earnings (Accrual)
Compare Cash flow return on assets (2) to return on assets (1)
Zanaga Iron Ore Co's gearing of this year was 0.00081259. Zanaga Iron Ore Co's gearing of last year was 0.00116719.
==> 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
Zanaga Iron Ore Co's current ratio of this year was 0.65831843. Zanaga Iron Ore Co's current ratio of last year was 0.9874552.
==> 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.
Zanaga Iron Ore Co's number of shares in issue this year was 660.391. Zanaga Iron Ore Co's number of shares in issue last year was 631.736.
==> 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.
Zanaga Iron Ore Co's gross margin of this year was . Zanaga Iron Ore Co's gross margin of last year was .
==> 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
Zanaga Iron Ore Co's asset turnover of this year was 0. Zanaga Iron Ore Co's asset turnover of last year was 0.
==> Last year's asset turnover is higher ==> Score 0.
Evaluation
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Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3
Zanaga Iron Ore Co has an F-score of 3. It is a bad or low score, which usually implies poor business operation.
Zanaga Iron Ore Co (LSE:ZIOC) has a Piotroski F-Score of 3 as of Jun. 27, 2026. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Zanaga Iron Ore Co and its competitors. This is near median its historical median of 3.00. Over the past decade, Zanaga Iron Ore Co's Piotroski F-Score has ranged from 2.00 to 5.00. According to the industry distribution chart, Zanaga Iron Ore Co ranks #507 out of 624 companies in the Steel industry, placing it in the top 81.2%.
Is Zanaga Iron Ore Co's Piotroski F-Score too high?
Zanaga Iron Ore Co's current Piotroski F-Score of 3 is near median its 10-year median of 3.00. Over the past 10 years, this metric has ranged from a low of 2.00 to a high of 5.00. The Steel industry median Piotroski F-Score is 5.00. Zanaga Iron Ore Co's value of 3 is 40% below this industry median. Based on the distribution chart, Zanaga Iron Ore Co ranks #507 out of 624 companies in the Steel industry, which is in the bottom quartile relative to peers.
How does Zanaga Iron Ore Co's Piotroski F-Score compare to NUE and STLD?
According to the Steel industry distribution chart, Zanaga Iron Ore Co ranks #507 out of 624 companies for Piotroski F-Score. This places Zanaga Iron Ore Co in the lower half of its industry. The industry median Piotroski F-Score is 5.00. Zanaga Iron Ore Co's value of 3 is 40% below this benchmark. Historically, Zanaga Iron Ore Co's own Piotroski F-Score has ranged from 2.00 to 5.00 over the past decade. While the company's 10-year median is 3.00 vs. the industry median of 5.00, Zanaga Iron Ore Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Piotroski F-Score for a Steel company?
The median Piotroski F-Score among Steel companies is 5.00, based on 624 companies in the industry. Companies in the top quartile (top 25%) have a Piotroski F-Score significantly above this median, while those in the bottom quartile fall well below. However, Piotroski F-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Zanaga Iron Ore Co's current Piotroski F-Score of 3 is 40% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Piotroski F-Score mean?
A high Piotroski F-Score can signal that a stock is expensive relative to its fundamentals. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Zanaga Iron Ore Co and its competitors. For the Steel industry, the median Piotroski F-Score is 5.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zanaga Iron Ore Co's current Piotroski F-Score is 3, which is near median its own 10-year median of 3.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zanaga Iron Ore Co stock overvalued right now?
Zanaga Iron Ore Co (LSE:ZIOC) has a current Piotroski F-Score of 3. The current Piotroski F-Score is 3, which is near median its 10-year median of 3.00 and 40% below the Steel industry median of 5.00. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Piotroski F-Score calculated?
Piotroski F-Score is calculated from a company's financial statements. For Zanaga Iron Ore Co (LSE:ZIOC), the current Piotroski F-Score is 3 as of Jun. 27, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Zanaga Iron Ore Co Ltd is an iron ore exploration and development company. The company holds an interest in the Zanaga Iron Ore Project located in the Republic of Congo which is also known as Congo-Brazzaville. Its long-term objective is to maximize the value of its sole asset and the Project is currently focused on managing, developing, and constructing a world-class iron ore asset capable of mining, processing, transporting, and exporting iron ore at full production. The Group has one operating segment, being its investment in the Project, held through Jumelles.
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