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Essex Bio-TechnologyHKSE:01061 +0.88%86 Piotroski F-Score is 5 as of Aug. 27, 2026, which is 17% below its 10-year median of 6.00. GuruFocus rates HKSE:01061 with a GF Score™ of 86/100 and a GF Value™ of HK$3.13 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 985 Drug Manufacturers companies, Essex Bio-Technology ranks better than 61.12% on this metric.
The zones of discrimination were as such:
Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3
Essex Bio-Technology has an F-score of 5 indicating the company's financial situation is typical for a stable company.
The historical rank and industry rank for Essex Bio-Technology's Piotroski F-Score or its related term are showing as below:
HKSE:01061'
s Piotroski F-Score Range Over the Past 10 Years
Min: 3 Med: 6 Max: 9
Current: 5
During the past 13 years, the highest Piotroski F-Score of Essex Bio-Technology was 9. The lowest was 3. And the median was 6.
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.
Essex Bio-Technology Piotroski F-Score Related Terms
Essex Bio-Technology Piotroski F-Score Historical Data
* Premium members only.
The historical data trend for Essex Bio-Technology'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.
For the Drug Manufacturers - Specialty & Generic subindustry, Essex Bio-Technology'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.
Essex Bio-Technology Piotroski F-Score vs Drug Manufacturers Industry
For the Drug Manufacturers industry and Healthcare sector, Essex Bio-Technology's Piotroski F-Score distribution charts can be found below:
* The bar in red indicates where Essex Bio-Technology'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.
Essex Bio-Technology's current Net Income (TTM) was 318.
==> 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.
Essex Bio-Technology's return on assets of this year was 0.10663299. Essex Bio-Technology's return on assets of last year was 0.10865277.
==> Last year is higher ==> Score 0.
Question 4. Quality of Earnings (Accrual)
Compare Cash flow return on assets (2) to return on assets (1)
Essex Bio-Technology's gearing of this year was 0.08582401. Essex Bio-Technology's gearing of last year was 0.03923001.
==> 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
Essex Bio-Technology's current ratio of this year was 2.11254979. Essex Bio-Technology's current ratio of last year was 1.81007309.
==> This year's current ratio is higher. ==> Score 1.
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.
Essex Bio-Technology's number of shares in issue this year was 567.021. Essex Bio-Technology's number of shares in issue last year was 582.32.
==> 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.
Essex Bio-Technology's gross margin of this year was 0.89198355. Essex Bio-Technology's gross margin of last year was 0.89750134.
==> 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
Essex Bio-Technology's asset turnover of this year was 0.60803877. Essex Bio-Technology's asset turnover of last year was 0.59055093.
==> This year's asset turnover is higher. ==> Score 1.
Evaluation
Piotroski F-Score
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5
Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3
Essex Bio-Technology has an F-score of 5 indicating the company's financial situation is typical for a stable company.
Essex Bio-Technology (HKSE:01061) has a Piotroski F-Score of 5 as of Aug. 27, 2026. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Essex Bio-Technology and its competitors. This is 17% below median its historical median of 6.00. Over the past decade, Essex Bio-Technology's Piotroski F-Score has ranged from 3.00 to 9.00. According to the industry distribution chart, Essex Bio-Technology ranks #383 out of 985 companies in the Drug Manufacturers industry, placing it in the top 38.9%.
Is Essex Bio-Technology's Piotroski F-Score too high?
Essex Bio-Technology's current Piotroski F-Score of 5 is 17% below median its 10-year median of 6.00. Over the past 10 years, this metric has ranged from a low of 3.00 to a high of 9.00. The Drug Manufacturers industry median Piotroski F-Score is 5.00. Essex Bio-Technology's value of 5 is 0% at this industry median. Based on the distribution chart, Essex Bio-Technology ranks #383 out of 985 companies in the Drug Manufacturers industry, which is above the industry midpoint. Overall, Essex Bio-Technology has a GF Score™ of 86/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Essex Bio-Technology's Piotroski F-Score compare to ZTS?
According to the Drug Manufacturers industry distribution chart, Essex Bio-Technology ranks #383 out of 985 companies for Piotroski F-Score. This puts Essex Bio-Technology in the upper half of its industry. The industry median Piotroski F-Score is 5.00. Essex Bio-Technology's value of 5 is 0% at this benchmark. Historically, Essex Bio-Technology's own Piotroski F-Score has ranged from 3.00 to 9.00 over the past decade. While the company's 10-year median is 6.00 vs. the industry median of 5.00, Essex Bio-Technology has consistently been at 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 Drug Manufacturers company?
The median Piotroski F-Score among Drug Manufacturers companies is 5.00, based on 985 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. Essex Bio-Technology's current Piotroski F-Score of 5 is 0% at 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 Essex Bio-Technology and its competitors. For the Drug Manufacturers 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. Essex Bio-Technology's current Piotroski F-Score is 5, which is 17% below median its own 10-year median of 6.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Essex Bio-Technology stock overvalued right now?
Based on GuruFocus' analysis, Essex Bio-Technology (HKSE:01061) is currently considered Modestly Undervalued. The stock's GF Value™ is HK$3.13, compared to a current price of HK$2.29 — trading 26.8% below its estimated fair value. The current Piotroski F-Score is 5, which is 17% below median its 10-year median of 6.00 and 0% at the Drug Manufacturers industry median of 5.00. Essex Bio-Technology's overall GF Score™ is 86/100 with 3 warning signs to review. 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 Essex Bio-Technology (HKSE:01061), the current Piotroski F-Score is 5 as of Aug. 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.
Is Essex Bio-Technology (HKSE:01061) Overvalued in 2026?
Based on GuruFocus' analysis, Essex Bio-Technology stock appears to be undervalued.
The current stock price of HK$2.29 is trading 26.8% below its estimated GF Value™ of HK$3.13.
GuruFocus considers Essex Bio-Technology to be Modestly Undervalued.
Key valuation signals for HKSE:01061:
Piotroski F-Score: 5 (17% below median its 10-year median of 6.00)
GF Value™: HK$3.13 vs. price of HK$2.29 (26.8% below fair value)
Industry Position: 0% at the Drug Manufacturers median (#383 of 985)
No single metric tells the full story. See the HKSE:01061 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Essex Bio-Technology Ltd is principally engaged in investment holding and development, manufacture, and sale of biologic drugs in the People's Republic of China. The company is made up of segments of Ophthalmology products and Surgical products. Its products under Ophthalmology include the Beifushu series, Tobramycin Eye Drops, Levofloxacin Eye Drops, and Sodium Hyaluronate Eye Drops. The products under Surgical include the Beifuji series, Carisolv dental caries removal gel, and mouthwash. The majority of the group's revenue comes from the PRC, also operates in Hong Kong and other countries.
86GF Score
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