S-Tech (ROCO:1584) Piotroski F-Score: 4 (As of Jul. 02, 2026) — 33% Below Median


ROCO:1584 S-Tech Corp ROCO:1584
72 GF Score
Price NT$19.05
GF Value NT$25.03
Valuation Modestly Undervalued
! 8 Warning Signs
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What is S-Tech Piotroski F-Score?

S-Tech ROCO:1584 72 Piotroski F-Score is 4 as of Jul. 02, 2026, which is 33% below its 10-year median of 6.00. GuruFocus rates ROCO:1584 with a GF Score™ of 72/100 and a GF Value™ of NT$25.03 (Modestly Undervalued). The stock has 8 warning signs investors should review. Among 2,974 Industrial Products companies, S-Tech ranks worse than 65.1% 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

S-Tech has an F-score of 4 indicating the company's financial situation is typical for a stable company.

The historical rank and industry rank for S-Tech's Piotroski F-Score or its related term are showing as below:

ROCO:1584' s Piotroski F-Score Range Over the Past 10 Years
Min: 2   Med: 6   Max: 7
Current: 4

During the past 13 years, the highest Piotroski F-Score of S-Tech was 7. The lowest was 2. And the median was 6.

S-Tech  (ROCO:1584) 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.

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.


S-Tech Piotroski F-Score Related Terms


S-Tech Piotroski F-Score Historical Data

* Premium members only.

The historical data trend for S-Tech'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.

S-Tech Piotroski F-Score Chart

S-Tech Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Piotroski F-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.00 5.00 6.00 3.00 4.00

S-Tech Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Piotroski F-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 3.00 3.00 4.00 5.00 4.00

ROCO:1584 vs CRS, ATI, MLI: Piotroski F-Score Comparison

For the Metal Fabrication subindustry, S-Tech'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.


S-Tech Piotroski F-Score vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, S-Tech's Piotroski F-Score distribution charts can be found below:

* The bar in red indicates where S-Tech's Piotroski F-Score falls into.


ROCO:1584
72GF Score
S-Tech Corp ROCO:1584
Piotroski F-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

How is the Piotroski F-Score calculated?

* 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.

This Year (Dec25) TTM:Last Year (Dec24) TTM:
Net Income was 62.238 + -52.255 + 43.637 + 48.121 = NT$102 Mil.
Cash Flow from Operations was 245.844 + 207.533 + 247.738 + 300.031 = NT$1,001 Mil.
Revenue was 676.003 + 663.966 + 616.204 + 637.644 = NT$2,594 Mil.
Gross Profit was 105.969 + 61.035 + 51.82 + 89.344 = NT$308 Mil.
Average Total Assets from the begining of this year (Dec24)
to the end of this year (Dec25) was
(7860.166 + 7752.007 + 7645.387 + 7398.223 + 7941.308) / 5 = NT$7719.4182 Mil.
Total Assets at the begining of this year (Dec24) was NT$7,860 Mil.
Long-Term Debt & Capital Lease Obligation was NT$1,147 Mil.
Total Current Assets was NT$3,183 Mil.
Total Current Liabilities was NT$1,984 Mil.
Net Income was 58.485 + 192.38 + 85.364 + -27.19 = NT$309 Mil.

Revenue was 592.832 + 824.179 + 823.015 + 640.05 = NT$2,880 Mil.
Gross Profit was 89.683 + 159.962 + 175.468 + 96.97 = NT$522 Mil.
Average Total Assets from the begining of last year (Dec23)
to the end of last year (Dec24) was
(5349.728 + 5417.386 + 5863.844 + 7500.957 + 7860.166) / 5 = NT$6398.4162 Mil.
Total Assets at the begining of last year (Dec23) was NT$5,350 Mil.
Long-Term Debt & Capital Lease Obligation was NT$1,057 Mil.
Total Current Assets was NT$3,917 Mil.
Total Current Liabilities was NT$1,702 Mil.

*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.

S-Tech's current Net Income (TTM) was 102. ==> 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.

S-Tech's current Cash Flow from Operations (TTM) was 1,001. ==> 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/Total Assets (Dec24)
=101.741/7860.166
=0.01294387

ROA (Last Year)=Net Income/Total Assets (Dec23)
=309.039/5349.728
=0.05776724

S-Tech's return on assets of this year was 0.01294387. S-Tech's return on assets of last year was 0.05776724. ==> 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.

S-Tech's current Net Income (TTM) was 102. S-Tech's current Cash Flow from Operations (TTM) was 1,001. ==> 1,001 > 102 ==> 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: Dec25)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Dec24 to Dec25
=1147.156/7719.4182
=0.14860654

Gearing (Last Year: Dec24)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Dec23 to Dec24
=1056.802/6398.4162
=0.16516619

S-Tech's gearing of this year was 0.14860654. S-Tech's gearing of last year was 0.16516619. ==> 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: Dec25)=Total Current Assets/Total Current Liabilities
=3182.677/1983.925
=1.60423252

Current Ratio (Last Year: Dec24)=Total Current Assets/Total Current Liabilities
=3916.939/1701.518
=2.30202619

S-Tech's current ratio of this year was 1.60423252. S-Tech's current ratio of last year was 2.30202619. ==> 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.

S-Tech's number of shares in issue this year was 230.036. S-Tech's number of shares in issue last year was 212.652. ==> 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
=308.168/2593.817
=0.11880869

Gross Margin (Last Year: TTM)=Gross Profit/Revenue
=522.083/2880.076
=0.18127404

S-Tech's gross margin of this year was 0.11880869. S-Tech's gross margin of last year was 0.18127404. ==> 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/Total Assets at the Beginning of This Year (Dec24)
=2593.817/7860.166
=0.32999519

Asset Turnover (Last Year)=Revenue/Total Assets at the Beginning of Last Year (Dec23)
=2880.076/5349.728
=0.53835933

S-Tech's asset turnover of this year was 0.32999519. S-Tech's asset turnover of last year was 0.53835933. ==> 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+0+0+0
=4

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

S-Tech has an F-score of 4 indicating the company's financial situation is typical for a stable company.

Frequently Asked Questions Learn more about Piotroski F-Score →
What does a Piotroski F-Score of 4 mean?
S-Tech (ROCO:1584) has a Piotroski F-Score of 4 as of Jul. 02, 2026. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on S-Tech and its competitors. This is 33% below median its historical median of 6.00. Over the past decade, S-Tech's Piotroski F-Score has ranged from 2.00 to 7.00. According to the industry distribution chart, S-Tech ranks #1936 out of 2974 companies in the Industrial Products industry, placing it in the top 65.1%.
Is S-Tech's Piotroski F-Score too high?
S-Tech's current Piotroski F-Score of 4 is 33% below median its 10-year median of 6.00. Over the past 10 years, this metric has ranged from a low of 2.00 to a high of 7.00. The Industrial Products industry median Piotroski F-Score is 5.00. S-Tech's value of 4 is 20% below this industry median. Based on the distribution chart, S-Tech ranks #1936 out of 2974 companies in the Industrial Products industry, which is below the industry midpoint. Overall, S-Tech has a GF Score™ of 72/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does S-Tech's Piotroski F-Score compare to CRS and ATI?
According to the Industrial Products industry distribution chart, S-Tech ranks #1936 out of 2974 companies for Piotroski F-Score. This places S-Tech in the lower half of its industry. The industry median Piotroski F-Score is 5.00. S-Tech's value of 4 is 20% below this benchmark. Historically, S-Tech's own Piotroski F-Score has ranged from 2.00 to 7.00 over the past decade. While the company's 10-year median is 6.00 vs. the industry median of 5.00, S-Tech 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 an Industrial Products company?
The median Piotroski F-Score among Industrial Products companies is 5.00, based on 2,974 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. S-Tech's current Piotroski F-Score of 4 is 20% 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 S-Tech and its competitors. For the Industrial Products 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. S-Tech's current Piotroski F-Score is 4, which is 33% 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 S-Tech stock overvalued right now?
Based on GuruFocus' analysis, S-Tech (ROCO:1584) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$25.03, compared to a current price of NT$19.05 — trading 23.9% below its estimated fair value. The current Piotroski F-Score is 4, which is 33% below median its 10-year median of 6.00 and 20% below the Industrial Products industry median of 5.00. S-Tech's overall GF Score™ is 72/100 with 8 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 S-Tech (ROCO:1584), the current Piotroski F-Score is 4 as of Jul. 02, 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 S-Tech (ROCO:1584) Overvalued in 2026?

Based on GuruFocus' analysis, S-Tech stock appears to be undervalued. The current stock price of NT$19.05 is trading 23.9% below its estimated GF Value™ of NT$25.03. GuruFocus considers S-Tech to be Modestly Undervalued.

Key valuation signals for ROCO:1584:

  • Piotroski F-Score: 4 (33% below median its 10-year median of 6.00)
  • GF Value™: NT$25.03 vs. price of NT$19.05 (23.9% below fair value)
  • GF Score™: 72/100 with 8 warning signs
  • Industry Position: 20% below the Industrial Products median (#1936 of 2974)

No single metric tells the full story. See the ROCO:1584 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


S-Tech Business Description

Address No.15, Gong 1st Road, Environmental Science and Technology Park, Liouying, Tainan, TWN, 736
S-Tech Corp is mainly engaged in the manufacture, processing, and sales of special alloy materials and products. The company geographically operates in Europe, Asia, Taiwan, and other countries, out of which Europe derives the maximum revenue.
72GF Score

Get the complete analysis for ROCO:1584

Piotroski F-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$19.05
Price
NT$25.03
GF Value