Co-Tech Development (ROCO:8358) Beneish M-Score: 1.66 (As of Jul. 16, 2026)

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ROCO:8358 Co-Tech Development Corp ROCO:8358
75 GF Score
Price NT$462.50
GF Value NT$93.36
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Co-Tech Development Beneish M-Score?

Co-Tech Development ROCO:8358 +0.54% 75 Beneish M-Score is 1.66 as of Jul. 16, 2026. GuruFocus rates ROCO:8358 with a GF Score™ of 75/100 and a GF Value™ of NT$93.36 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 2,407 Hardware companies, Co-Tech Development ranks worse than 97.63% 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.

Warning Sign:

Beneish M-Score 1.66 higher than -1.78, which implies that the company might have manipulated its financial results.

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

ROCO:8358' s Beneish M-Score Range Over the Past 10 Years
Min: -2.96   Med: -2.52   Max: 1.66
Current: 1.66

During the past 13 years, the highest Beneish M-Score of Co-Tech Development was 1.66. The lowest was -2.96. And the median was -2.52.


Co-Tech Development Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Co-Tech Development'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.

Co-Tech Development Beneish M-Score Chart

Co-Tech Development 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 -2.51 -2.33 -2.65 -2.60 1.66

Co-Tech Development Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 -2.60 -0.46 -0.65 1.42 1.66

ROCO:8358 vs APH, GLW: Beneish M-Score Comparison

For the Electronic Components subindustry, Co-Tech Development'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.


Co-Tech Development Beneish M-Score vs Hardware Industry

For the Hardware industry and Technology sector, Co-Tech Development's Beneish M-Score distribution charts can be found below:

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


ROCO:8358
75GF Score
Co-Tech Development Corp ROCO:8358
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Co-Tech Development 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 Co-Tech Development 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 * 1.1717+0.528 * 0.9121+0.404 * 9.5904+0.892 * 1.1552+0.115 * 1.1687
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 1.0394+4.679 * 0.074111-0.327 * 0.8054
=1.66

* 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:
Total Receivables was NT$2,389 Mil.
Revenue was 2164.182 + 1985.761 + 2002.055 + 1727.943 = NT$7,880 Mil.
Gross Profit was 566.559 + 407.915 + 377.687 + 362.79 = NT$1,715 Mil.
Total Current Assets was NT$4,153 Mil.
Total Assets was NT$9,446 Mil.
Property, Plant and Equipment(Net PPE) was NT$4,626 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$90 Mil.
Selling, General, & Admin. Expense(SGA) was NT$205 Mil.
Total Current Liabilities was NT$1,921 Mil.
Long-Term Debt & Capital Lease Obligation was NT$4 Mil.
Net Income was 377.309 + 253.234 + 167.01 + 264.983 = NT$1,063 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = NT$0 Mil.
Cash Flow from Operations was 39.443 + 74.883 + 1.217 + 246.933 = NT$362 Mil.
Total Receivables was NT$1,765 Mil.
Revenue was 1706.575 + 1793.022 + 1816.546 + 1505.415 = NT$6,822 Mil.
Gross Profit was 298.856 + 328.281 + 416.813 + 310.094 = NT$1,354 Mil.
Total Current Assets was NT$4,533 Mil.
Total Assets was NT$8,780 Mil.
Property, Plant and Equipment(Net PPE) was NT$4,183 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$96 Mil.
Selling, General, & Admin. Expense(SGA) was NT$171 Mil.
Total Current Liabilities was NT$2,221 Mil.
Long-Term Debt & Capital Lease Obligation was NT$0 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)
=(2389.375 / 7879.941) / (1765.369 / 6821.558)
=0.303222 / 0.258793
=1.1717

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)
=(1354.044 / 6821.558) / (1714.951 / 7879.941)
=0.198495 / 0.217635
=0.9121

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 - (4153.003 + 4625.643) / 9446.129) / (1 - (4533.237 + 4182.526) / 8780.455)
=0.070662 / 0.007368
=9.5904

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
=7879.941 / 6821.558
=1.1552

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))
=(95.819 / (95.819 + 4182.526)) / (90.373 / (90.373 + 4625.643))
=0.022396 / 0.019163
=1.1687

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)
=(205.353 / 7879.941) / (171.027 / 6821.558)
=0.02606 / 0.025072
=1.0394

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)
=((4.347 + 1920.707) / 9446.129) / ((0.448 + 2221.418) / 8780.455)
=0.203793 / 0.253047
=0.8054

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
=(1062.536 - 0 - 362.476) / 9446.129
=0.074111

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.

Co-Tech Development has a M-score of 1.66 signals that the company is likely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of 1.66 mean?
Co-Tech Development (ROCO:8358) has a Beneish M-Score of 1.66 as of Jul. 16, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Co-Tech Development and its competitors. According to the industry distribution chart, Co-Tech Development ranks #2350 out of 2407 companies in the Hardware industry, placing it in the top 97.6%.
Is Co-Tech Development's Beneish M-Score too high?
Co-Tech Development's current Beneish M-Score is 1.66. Based on the distribution chart, Co-Tech Development ranks #2350 out of 2407 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Co-Tech Development has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Co-Tech Development's Beneish M-Score compare to APH and GLW?
According to the Hardware industry distribution chart, Co-Tech Development ranks #2350 out of 2407 companies for Beneish M-Score. This places Co-Tech Development 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 a Hardware company?
A good Beneish M-Score depends on the Hardware 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 Co-Tech Development and its competitors. Co-Tech Development's current Beneish M-Score is 1.66. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Co-Tech Development stock overvalued right now?
Based on GuruFocus' analysis, Co-Tech Development (ROCO:8358) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$93.36, compared to a current price of NT$462.50 — trading 395.4% above its estimated fair value. The current Beneish M-Score is 1.66. Co-Tech Development's overall GF Score™ is 75/100 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 Co-Tech Development (ROCO:8358), the current Beneish M-Score is 1.66 as of Jul. 16, 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 Co-Tech Development (ROCO:8358) Overvalued in 2026?

Based on GuruFocus' analysis, Co-Tech Development stock appears to be overvalued. The current stock price of NT$462.50 is trading 395.4% above its estimated GF Value™ of NT$93.36. GuruFocus considers Co-Tech Development to be Significantly Overvalued.

Key valuation signals for ROCO:8358:

  • Beneish M-Score: 1.66
  • GF Value™: NT$93.36 vs. price of NT$462.50 (395.4% above fair value)
  • GF Score™: 75/100 with 2 warning signs

No single metric tells the full story. See the ROCO:8358 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Co-Tech Development Business Description

Address No. 392, Ruiguang Road, 18th Floor, Neihu District, Taipei, TWN, 114
Co-Tech Development Corp manufactures and sells standard, low profile and high-performance series of copper foil products to supply the printed circuit board industry. Its products include IT, 3C Products HDI, LED car lighting module, Server, Switch, Storage, Rigid-Flex PCB, Touch module, 3D face recognition, Automotive market, 5G Antenna Radar, ADAS, HDI / Rigid-Flex Board, Touch module, Wearable devices / VR, Augmented Reality, Mobile terminal, 3D face recognition, Communication module. The group has only copper foil segment operating in two principal geographical areas - Taiwan and China.
75GF Score

Get the complete analysis for ROCO:8358

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

NT$462.50
Price
NT$93.36
GF Value