Topview Optronics (ROCO:6556) Beneish M-Score: -2.18 (As of Jul. 18, 2026)

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ROCO:6556 Topview Optronics Corp ROCO:6556
79 GF Score
Price NT$65.50
GF Value NT$63.87
Valuation Fairly Valued
! 1 Warning Sign
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What is Topview Optronics Beneish M-Score?

Topview Optronics ROCO:6556 +0.46% 79 Beneish M-Score is -2.18 as of Jul. 18, 2026. GuruFocus rates ROCO:6556 with a GF Score™ of 79/100 and a GF Value™ of NT$63.87 (Fairly Valued). The stock has 1 warning sign investors should review. Among 1,022 Business Services companies, Topview Optronics ranks worse than 74.17% 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 -2.18 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

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

ROCO:6556' s Beneish M-Score Range Over the Past 10 Years
Min: -3.28   Med: -2.26   Max: 0.05
Current: -2.18

During the past 13 years, the highest Beneish M-Score of Topview Optronics was 0.05. The lowest was -3.28. And the median was -2.26.


Topview Optronics Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Topview Optronics'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.

Topview Optronics Beneish M-Score Chart

Topview Optronics 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 -1.80 -2.34 -3.28 -3.15 -2.18

Topview Optronics 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 -3.15 -3.17 -3.40 -2.94 -2.18

ROCO:6556 vs ALLE, MSA, ADT: Beneish M-Score Comparison

For the Security & Protection Services subindustry, Topview Optronics'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.


Topview Optronics Beneish M-Score vs Business Services Industry

For the Business Services industry and Industrials sector, Topview Optronics's Beneish M-Score distribution charts can be found below:

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


ROCO:6556
79GF Score
Topview Optronics Corp ROCO:6556
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Topview Optronics 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 Topview Optronics 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 * 1.3313+0.528 * 1.1036+0.404 * 1.0006+0.892 * 0.8242+0.115 * 0.9262
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.995+4.679 * 0.011719-0.327 * 0.8443
=-2.18

* 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$364 Mil.
Revenue was 343.708 + 371.48 + 322.729 + 356.793 = NT$1,395 Mil.
Gross Profit was 107.904 + 109.894 + 106.929 + 134.379 = NT$459 Mil.
Total Current Assets was NT$1,215 Mil.
Total Assets was NT$2,114 Mil.
Property, Plant and Equipment(Net PPE) was NT$760 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$45 Mil.
Selling, General, & Admin. Expense(SGA) was NT$140 Mil.
Total Current Liabilities was NT$466 Mil.
Long-Term Debt & Capital Lease Obligation was NT$2 Mil.
Net Income was 53.802 + 52.754 + 31.338 + 57.263 = NT$195 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = NT$0 Mil.
Cash Flow from Operations was 84.115 + 3.557 + 7.485 + 75.229 = NT$170 Mil.
Total Receivables was NT$332 Mil.
Revenue was 343.642 + 389.567 + 479.941 + 479.025 = NT$1,692 Mil.
Gross Profit was 130.549 + 129.725 + 183.313 + 171.155 = NT$615 Mil.
Total Current Assets was NT$1,211 Mil.
Total Assets was NT$2,128 Mil.
Property, Plant and Equipment(Net PPE) was NT$778 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$43 Mil.
Selling, General, & Admin. Expense(SGA) was NT$170 Mil.
Total Current Liabilities was NT$500 Mil.
Long-Term Debt & Capital Lease Obligation was NT$59 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)
=(364.48 / 1394.71) / (332.17 / 1692.175)
=0.26133 / 0.196298
=1.3313

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)
=(614.742 / 1692.175) / (459.106 / 1394.71)
=0.363285 / 0.329177
=1.1036

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 - (1215.348 + 760.084) / 2113.661) / (1 - (1211.318 + 777.729) / 2128.145)
=0.065398 / 0.065361
=1.0006

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
=1394.71 / 1692.175
=0.8242

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))
=(42.863 / (42.863 + 777.729)) / (45.43 / (45.43 + 760.084))
=0.052234 / 0.056399
=0.9262

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)
=(139.507 / 1394.71) / (170.107 / 1692.175)
=0.100026 / 0.100526
=0.995

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)
=((2.094 + 466.144) / 2113.661) / ((58.822 + 499.562) / 2128.145)
=0.221529 / 0.262381
=0.8443

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
=(195.157 - 0 - 170.386) / 2113.661
=0.011719

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.

Topview Optronics has a M-score of -2.18 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 -2.18 mean?
Topview Optronics (ROCO:6556) has a Beneish M-Score of -2.18 as of Jul. 18, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Topview Optronics and its competitors. According to the industry distribution chart, Topview Optronics ranks #758 out of 1022 companies in the Business Services industry, placing it in the top 74.2%.
Is Topview Optronics' Beneish M-Score too high?
Topview Optronics' current Beneish M-Score is -2.18. Based on the distribution chart, Topview Optronics ranks #758 out of 1022 companies in the Business Services industry, which is below the industry midpoint. Overall, Topview Optronics has a GF Score™ of 79/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Topview Optronics' Beneish M-Score compare to ALLE and MSA?
According to the Business Services industry distribution chart, Topview Optronics ranks #758 out of 1022 companies for Beneish M-Score. This places Topview Optronics 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 Business Services company?
A good Beneish M-Score depends on the Business Services 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 Topview Optronics and its competitors. Topview Optronics's current Beneish M-Score is -2.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Topview Optronics stock overvalued right now?
Based on GuruFocus' analysis, Topview Optronics (ROCO:6556) is currently considered Fairly Valued. The stock's GF Value™ is NT$63.87, compared to a current price of NT$65.50 — trading 2.6% above its estimated fair value. The current Beneish M-Score is -2.18. Topview Optronics' overall GF Score™ is 79/100 with 1 warning sign 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 Topview Optronics (ROCO:6556), the current Beneish M-Score is -2.18 as of Jul. 18, 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 Topview Optronics (ROCO:6556) Overvalued in 2026?

Based on GuruFocus' analysis, Topview Optronics stock appears to be overvalued. The current stock price of NT$65.50 is trading 2.6% above its estimated GF Value™ of NT$63.87. GuruFocus considers Topview Optronics to be Fairly Valued.

Key valuation signals for ROCO:6556:

  • Beneish M-Score: -2.18
  • GF Value™: NT$63.87 vs. price of NT$65.50 (2.6% above fair value)
  • GF Score™: 79/100 with 1 warning sign

No single metric tells the full story. See the ROCO:6556 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Topview Optronics Business Description

Address No. 10, Dacheng Road, Taoyuan Distric, Taoyuan, TWN
Topview Optronics Corp is involved in the manufacturing, trading, import and export of security monitors. Its products are IP cameras of 1,2,3-megapixel, speed dome, and accessories such as bracket.
79GF Score

Get the complete analysis for ROCO:6556

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

NT$65.50
Price
NT$63.87
GF Value