Longwell Co (ROCO:6290) Piotroski F-Score: 6 (As of Jul. 17, 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:6290 Longwell Co ROCO:6290
60 GF Score
Price NT$257.50
GF Value NT$105.20
Valuation Significantly Overvalued
! 1 Warning Sign
View Full Analysis

What is Longwell Co Piotroski F-Score?

Longwell Co ROCO:6290 -2.46% 60 Piotroski F-Score is 6 as of Jul. 17, 2026, which is at its 10-year median of 6.00. GuruFocus rates ROCO:6290 with a GF Score™ of 60/100 and a GF Value™ of NT$105.20 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,969 Industrial Products companies, Longwell Co ranks better than 75.35% 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

Longwell Co has an F-score of 6 indicating the company's financial situation is typical for a stable company.

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

ROCO:6290' s Piotroski F-Score Range Over the Past 10 Years
Min: 3   Med: 6   Max: 7
Current: 6

During the past 13 years, the highest Piotroski F-Score of Longwell Co was 7. The lowest was 3. And the median was 6.

Longwell Co  (ROCO:6290) 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.


Longwell Co Piotroski F-Score Related Terms


Longwell Co Piotroski F-Score Historical Data

* Premium members only.

The historical data trend for Longwell 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.

Longwell Co Piotroski F-Score Chart

Longwell Co 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 3.00 7.00 7.00 6.00 6.00

Longwell Co 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 6.00 4.00 3.00 6.00 6.00

ROCO:6290 vs VRT, BE: Piotroski F-Score Comparison

For the Electrical Equipment & Parts subindustry, Longwell 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.


Longwell Co Piotroski F-Score vs Industrial Products Industry

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

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


ROCO:6290
60GF Score
Longwell Co ROCO:6290
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 407.569 + 168.286 + 411.207 + 419.113 = NT$1,406 Mil.
Cash Flow from Operations was 218.222 + 445.118 + 219.306 + 300.708 = NT$1,183 Mil.
Revenue was 2341.02 + 2613.159 + 2530.467 + 2673.955 = NT$10,159 Mil.
Gross Profit was 689.491 + 811.1 + 760.701 + 930.194 = NT$3,191 Mil.
Average Total Assets from the begining of this year (Dec24)
to the end of this year (Dec25) was
(9353.497 + 10449.501 + 10661.624 + 10244.295 + 11189.392) / 5 = NT$10379.6618 Mil.
Total Assets at the begining of this year (Dec24) was NT$9,353 Mil.
Long-Term Debt & Capital Lease Obligation was NT$416 Mil.
Total Current Assets was NT$7,599 Mil.
Total Current Liabilities was NT$2,472 Mil.
Net Income was 264.251 + 294.754 + 118.642 + 333.008 = NT$1,011 Mil.

Revenue was 1740.928 + 1919.338 + 2151.15 + 2229.031 = NT$8,040 Mil.
Gross Profit was 479.602 + 473.923 + 429.893 + 615.542 = NT$1,999 Mil.
Average Total Assets from the begining of last year (Dec23)
to the end of last year (Dec24) was
(8220.586 + 8558.502 + 8940.169 + 8748.17 + 9353.497) / 5 = NT$8764.1848 Mil.
Total Assets at the begining of last year (Dec23) was NT$8,221 Mil.
Long-Term Debt & Capital Lease Obligation was NT$245 Mil.
Total Current Assets was NT$6,097 Mil.
Total Current Liabilities was NT$2,296 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.

Longwell Co's current Net Income (TTM) was 1,406. ==> 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.

Longwell Co's current Cash Flow from Operations (TTM) was 1,183. ==> 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)
=1406.175/9353.497
=0.15033682

ROA (Last Year)=Net Income/Total Assets (Dec23)
=1010.655/8220.586
=0.12294197

Longwell Co's return on assets of this year was 0.15033682. Longwell Co's return on assets of last year was 0.12294197. ==> 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.

Longwell Co's current Net Income (TTM) was 1,406. Longwell Co's current Cash Flow from Operations (TTM) was 1,183. ==> 1,183 <= 1,406 ==> CFROA <= ROA ==> Score 0.

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
=415.662/10379.6618
=0.04004581

Gearing (Last Year: Dec24)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Dec23 to Dec24
=245.213/8764.1848
=0.02797899

Longwell Co's gearing of this year was 0.04004581. Longwell Co's gearing of last year was 0.02797899. ==> 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: Dec25)=Total Current Assets/Total Current Liabilities
=7598.732/2471.87
=3.07408237

Current Ratio (Last Year: Dec24)=Total Current Assets/Total Current Liabilities
=6096.855/2295.829
=2.65562244

Longwell Co's current ratio of this year was 3.07408237. Longwell Co's current ratio of last year was 2.65562244. ==> 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.

Longwell Co's number of shares in issue this year was 179.816. Longwell Co's number of shares in issue last year was 160.159. ==> 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
=3191.486/10158.601
=0.3141659

Gross Margin (Last Year: TTM)=Gross Profit/Revenue
=1998.96/8040.447
=0.24861304

Longwell Co's gross margin of this year was 0.3141659. Longwell Co's gross margin of last year was 0.24861304. ==> 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/Total Assets at the Beginning of This Year (Dec24)
=10158.601/9353.497
=1.08607519

Asset Turnover (Last Year)=Revenue/Total Assets at the Beginning of Last Year (Dec23)
=8040.447/8220.586
=0.97808684

Longwell Co's asset turnover of this year was 1.08607519. Longwell Co's asset turnover of last year was 0.97808684. ==> This year's asset turnover is higher. ==> Score 1.

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+0+0+1+0+1+1
=6

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

Longwell Co has an F-score of 6 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 6 mean?
Longwell Co (ROCO:6290) has a Piotroski F-Score of 6 as of Jul. 17, 2026. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Longwell Co and its competitors. This is near median its historical median of 6.00. Over the past decade, Longwell Co's Piotroski F-Score has ranged from 3.00 to 7.00. According to the industry distribution chart, Longwell Co ranks #732 out of 2969 companies in the Industrial Products industry, placing it in the top 24.7%.
Is Longwell Co's Piotroski F-Score too high?
Longwell Co's current Piotroski F-Score of 6 is near 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 7.00. The Industrial Products industry median Piotroski F-Score is 5.00. Longwell Co's value of 6 is 20% above this industry median. Based on the distribution chart, Longwell Co ranks #732 out of 2969 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Longwell Co has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Longwell Co's Piotroski F-Score compare to VRT and BE?
According to the Industrial Products industry distribution chart, Longwell Co ranks #732 out of 2969 companies for Piotroski F-Score. This places Longwell Co in the top 25% of its industry — outperforming the majority of peers. The industry median Piotroski F-Score is 5.00. Longwell Co's value of 6 is 20% above this benchmark. Historically, Longwell Co's own Piotroski F-Score has ranged from 3.00 to 7.00 over the past decade. While the company's 10-year median is 6.00 vs. the industry median of 5.00, Longwell Co has consistently been above 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 2,969 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. Longwell Co's current Piotroski F-Score of 6 is 20% above 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 Longwell Co 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. Longwell Co's current Piotroski F-Score is 6, which is near 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 Longwell Co stock overvalued right now?
Based on GuruFocus' analysis, Longwell Co (ROCO:6290) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$105.20, compared to a current price of NT$257.50 — trading 144.8% above its estimated fair value. The current Piotroski F-Score is 6, which is near median its 10-year median of 6.00 and 20% above the Industrial Products industry median of 5.00. Longwell Co's overall GF Score™ is 60/100 with 1 warning sign 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 Longwell Co (ROCO:6290), the current Piotroski F-Score is 6 as of Jul. 17, 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 Longwell Co (ROCO:6290) Overvalued in 2026?

Based on GuruFocus' analysis, Longwell Co stock appears to be overvalued. The current stock price of NT$257.50 is trading 144.8% above its estimated GF Value™ of NT$105.20. GuruFocus considers Longwell Co to be Significantly Overvalued.

Key valuation signals for ROCO:6290:

  • Piotroski F-Score: 6 (near median its 10-year median of 6.00)
  • GF Value™: NT$105.20 vs. price of NT$257.50 (144.8% above fair value)
  • GF Score™: 60/100 with 1 warning sign
  • Industry Position: 20% above the Industrial Products median (#732 of 2969)

No single metric tells the full story. See the ROCO:6290 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Longwell Co Business Description

Address Chang An E. Road, Section 1, No. 36, 10th Floor, Taipei, TWN
Longwell Co is a cable and electronic components producer based in Taiwan. Its product offerings include high-amperage cables, busbar and busbar connectors, optical cables, power cords, cable assemblies, jumper cords, EV charging kits, data cables, Type-C and USB cables, and other similar products and components. Geographically, the Group generates maximum revenue from China, and the rest from America, Taiwan, Japan, and other markets.
60GF Score

Get the complete analysis for ROCO:6290

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

NT$257.50
Price
NT$105.20
GF Value