Longwell Co (ROCO:6290) Beneish M-Score: -2.17 (As of Sep. 01, 2026)

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ROCO:6290 Longwell Co ROCO:6290
67 GF Score
Price NT$253.50
GF Value NT$114.96
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Longwell Co Beneish M-Score?

Longwell Co ROCO:6290 +2.22% 67 Beneish M-Score is -2.17 as of Sep. 01, 2026. GuruFocus rates ROCO:6290 with a GF Score™ of 67/100 and a GF Value™ of NT$114.96 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 2,930 Industrial Products companies, Longwell Co ranks worse than 68.43% on this metric.

The zones of discrimination for M-Score is as such:

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator.
An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Good Sign:

Beneish M-Score -2.17 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

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

ROCO:6290' s Beneish M-Score Range Over the Past 10 Years
Min: -3.55   Med: -2.4   Max: -1.58
Current: -2.17

During the past 13 years, the highest Beneish M-Score of Longwell Co was -1.58. The lowest was -3.55. And the median was -2.40.


Longwell Co Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Longwell Co's Beneish M-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 Beneish M-Score Chart

Longwell Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beneish M-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1.93 -2.86 -3.22 -1.80 -2.39

Longwell Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Beneish M-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 -2.27 -2.29 -2.39 -2.40 -2.17

ROCO:6290 vs VRT, BE: Beneish M-Score Comparison

For the Electrical Equipment & Parts subindustry, Longwell Co's Beneish M-Score, along with its competitors' market caps and Beneish M-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 Beneish M-Score vs Industrial Products Industry

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

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


ROCO:6290
67GF Score
Longwell Co ROCO:6290
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Longwell Co Beneish M-Score Calculation

The M-score was created by Professor Messod Beneish. Instead of measuring the bankruptcy risk (Altman Z-Score) or business trend (Piotroski F-Score), M-score can be used to detect the risk of earnings manipulation. This is the original research paper on M-score.

The M-Score Variables:

The M-score of Longwell Co for today is based on a combination of the following eight different indices:

M=-4.84+0.92 * DSRI+0.528 * GMI+0.404 * AQI+0.892 * SGI+0.115 * DEPI
=-4.84+0.92 * 1+0.528 * 0.8635+0.404 * 0.9568+0.892 * 1.126+0.115 * 0.8996
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 1.2432+4.679 * 0.067892-0.327 * 0.9219
=-2.17

* 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 (Jun26) TTM:Last Year (Jun25) TTM:
Total Receivables was NT$3,209 Mil.
Revenue was 2696.406 + 2609.922 + 2673.955 + 2530.467 = NT$10,511 Mil.
Gross Profit was 815.157 + 814.036 + 930.194 + 760.701 = NT$3,320 Mil.
Total Current Assets was NT$9,750 Mil.
Total Assets was NT$13,583 Mil.
Property, Plant and Equipment(Net PPE) was NT$2,097 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$264 Mil.
Selling, General, & Admin. Expense(SGA) was NT$1,551 Mil.
Total Current Liabilities was NT$3,770 Mil.
Long-Term Debt & Capital Lease Obligation was NT$1,320 Mil.
Net Income was 309.891 + 453.198 + 419.113 + 411.207 = NT$1,593 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = NT$0 Mil.
Cash Flow from Operations was 14.007 + 137.183 + 300.708 + 219.306 = NT$671 Mil.
Total Receivables was NT$2,850 Mil.
Revenue was 2613.159 + 2341.02 + 2229.031 + 2151.15 = NT$9,334 Mil.
Gross Profit was 811.1 + 689.491 + 615.542 + 429.893 = NT$2,546 Mil.
Total Current Assets was NT$7,534 Mil.
Total Assets was NT$10,662 Mil.
Property, Plant and Equipment(Net PPE) was NT$1,704 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$191 Mil.
Selling, General, & Admin. Expense(SGA) was NT$1,108 Mil.
Total Current Liabilities was NT$3,270 Mil.
Long-Term Debt & Capital Lease Obligation was NT$1,064 Mil.




1. DSRI = Days Sales in Receivables Index

Measured as the ratio of Revenue in Total Receivables in year t to year t-1.

A large increase in DSR could be indicative of revenue inflation.

DSRI=(Receivables_t / Revenue_t) / (Receivables_t-1 / Revenue_t-1)
=(3208.757 / 10510.75) / (2849.552 / 9334.36)
=0.305283 / 0.305276
=1

2. GMI = Gross Margin Index

Measured as the ratio of gross margin in year t-1 to gross margin in year t.

Gross margin has deteriorated when this index is above 1. A firm with poorer prospects is more likely to manipulate earnings.

GMI=GrossMargin_t-1 / GrossMargin_t
=(GrossProfit_t-1 / Revenue_t-1) / (GrossProfit_t / Revenue_t)
=(2546.026 / 9334.36) / (3320.088 / 10510.75)
=0.272758 / 0.315875
=0.8635

3. AQI = Asset Quality Index

AQI is the ratio of asset quality in year t to year t-1.

Asset quality is measured as the ratio of non-current assets other than Property, Plant and Equipment to Total Assets.

AQI=(1 - (CurrentAssets_t + PPE_t) / TotalAssets_t) / (1 - (CurrentAssets_t-1 + PPE_t-1) / TotalAssets_t-1)
=(1 - (9749.738 + 2097.048) / 13583.35) / (1 - (7533.526 + 1703.546) / 10661.624)
=0.127845 / 0.133615
=0.9568

4. SGI = Sales Growth Index

Ratio of Revenue in year t to sales in year t-1.

Sales growth is not itself a measure of manipulation. However, growth companies are likely to find themselves under pressure to manipulate in order to keep up appearances.

SGI=Sales_t / Sales_t-1
=Revenue_t / Revenue_t-1
=10510.75 / 9334.36
=1.126

5. DEPI = Depreciation Index

Measured as the ratio of the rate of Depreciation, Depletion and Amortization in year t-1 to the corresponding rate in year t.

DEPI greater than 1 indicates that assets are being depreciated at a slower rate. This suggests that the firm might be revising useful asset life assumptions upwards, or adopting a new method that is income friendly.

DEPI=(Depreciation_t-1 / (Depreciaton_t-1 + PPE_t-1)) / (Depreciation_t / (Depreciaton_t + PPE_t))
=(190.603 / (190.603 + 1703.546)) / (264.099 / (264.099 + 2097.048))
=0.100627 / 0.111852
=0.8996

Note: If the Depreciation, Depletion and Amortization data is not available, we assume that the depreciation rate is constant and set the Depreciation Index to 1.

6. SGAI = Sales, General and Administrative expenses Index

The ratio of Selling, General, & Admin. Expense(SGA) to Sales in year t relative to year t-1.

SGA expenses index > 1 means that the company is becoming less efficient in generate sales.

SGAI=(SGA_t / Sales_t) / (SGA_t-1 /Sales_t-1)
=(1551.365 / 10510.75) / (1108.229 / 9334.36)
=0.147598 / 0.118726
=1.2432

7. LVGI = Leverage Index

The ratio of total debt to Total Assets in year t relative to yeat t-1.

An LVGI > 1 indicates an increase in leverage

LVGI=((LTD_t + CurrentLiabilities_t) / TotalAssets_t) / ((LTD_t-1 + CurrentLiabilities_t-1) / TotalAssets_t-1)
=((1320.229 + 3770.155) / 13583.35) / ((1064.326 + 3269.749) / 10661.624)
=0.374752 / 0.406512
=0.9219

8. TATA = Total Accruals to Total Assets

Total accruals calculated as the change in working capital accounts other than cash less depreciation.

TATA=(IncomefromContinuingOperations_t - CashFlowsfromOperations_t) / TotalAssets_t
=(NetIncome_t - NonOperatingIncome_t - CashFlowsfromOperations_t) / TotalAssets_t
=(1593.409 - 0 - 671.204) / 13583.35
=0.067892

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator. An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Longwell Co has a M-score of -2.17 suggests that the company is unlikely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of -2.17 mean?
Longwell Co (ROCO:6290) has a Beneish M-Score of -2.17 as of Sep. 01, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Longwell Co and its competitors. According to the industry distribution chart, Longwell Co ranks #2005 out of 2930 companies in the Industrial Products industry, placing it in the top 68.4%.
Is Longwell Co's Beneish M-Score too high?
Longwell Co's current Beneish M-Score is -2.17. Based on the distribution chart, Longwell Co ranks #2005 out of 2930 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Longwell Co has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Longwell Co's Beneish M-Score compare to VRT and BE?
According to the Industrial Products industry distribution chart, Longwell Co ranks #2005 out of 2930 companies for Beneish M-Score. This places Longwell Co in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beneish M-Score for an Industrial Products company?
A good Beneish M-Score depends on the Industrial Products industry context. However, Beneish M-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Beneish M-Score mean?
A high Beneish M-Score can signal that a stock is expensive relative to its fundamentals. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Longwell Co and its competitors. Longwell Co's current Beneish M-Score is -2.17. 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$114.96, compared to a current price of NT$253.50 — trading 120.5% above its estimated fair value. The current Beneish M-Score is -2.17. Longwell Co's overall GF Score™ is 67/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beneish M-Score calculated?
Beneish M-Score is calculated from a company's financial statements. For Longwell Co (ROCO:6290), the current Beneish M-Score is -2.17 as of Sep. 01, 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$253.50 is trading 120.5% above its estimated GF Value™ of NT$114.96. GuruFocus considers Longwell Co to be Significantly Overvalued.

Key valuation signals for ROCO:6290:

  • Beneish M-Score: -2.17
  • GF Value™: NT$114.96 vs. price of NT$253.50 (120.5% above fair value)
  • GF Score™: 67/100 with 2 warning signs

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.
67GF Score

Get the complete analysis for ROCO:6290

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

NT$253.50
Price
NT$114.96
GF Value