Foci Fiber Optic Communications (ROCO:3363) Beneish M-Score: -2.68 (As of Jul. 12, 2026)


ROCO:3363 Foci Fiber Optic Communications Inc ROCO:3363
74 GF Score
Price NT$608.00
GF Value NT$227.33
Valuation Significantly Overvalued
! 3 Warning Signs
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What is Foci Fiber Optic Communications Beneish M-Score?

Foci Fiber Optic Communications ROCO:3363 74 Beneish M-Score is -2.68 as of Jul. 12, 2026. GuruFocus rates ROCO:3363 with a GF Score™ of 74/100 and a GF Value™ of NT$227.33 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,408 Hardware companies, Foci Fiber Optic Communications ranks better than 67.36% 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 -2.68 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for Foci Fiber Optic Communications's Beneish M-Score or its related term are showing as below:

ROCO:3363' s Beneish M-Score Range Over the Past 10 Years
Min: -3.49   Med: -2.7   Max: -1.48
Current: -2.68

During the past 13 years, the highest Beneish M-Score of Foci Fiber Optic Communications was -1.48. The lowest was -3.49. And the median was -2.70.


Foci Fiber Optic Communications Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Foci Fiber Optic Communications'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.

Foci Fiber Optic Communications Beneish M-Score Chart

Foci Fiber Optic Communications 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 -2.30 -2.96 -2.72 -2.80 -2.68

Foci Fiber Optic Communications 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 -2.80 -2.57 -2.34 -2.39 -2.68

ROCO:3363 vs CSCO, CIEN, MSI: Beneish M-Score Comparison

For the Communication Equipment subindustry, Foci Fiber Optic Communications'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.


Foci Fiber Optic Communications Beneish M-Score vs Hardware Industry

For the Hardware industry and Technology sector, Foci Fiber Optic Communications's Beneish M-Score distribution charts can be found below:

* The bar in red indicates where Foci Fiber Optic Communications's Beneish M-Score falls into.


ROCO:3363
74GF Score
Foci Fiber Optic Communications Inc ROCO:3363
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Foci Fiber Optic Communications 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 Foci Fiber Optic Communications 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 * 0.6862+0.528 * 0.7002+0.404 * 0.7568+0.892 * 1.3872+0.115 * 1.1704
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.8151+4.679 * 0.010657-0.327 * 1.3251
=-2.68

* 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$281 Mil.
Revenue was 390.774 + 507.741 + 582.076 + 411.403 = NT$1,892 Mil.
Gross Profit was 48.559 + 120.893 + 114.919 + 70.544 = NT$355 Mil.
Total Current Assets was NT$2,207 Mil.
Total Assets was NT$3,157 Mil.
Property, Plant and Equipment(Net PPE) was NT$752 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$123 Mil.
Selling, General, & Admin. Expense(SGA) was NT$142 Mil.
Total Current Liabilities was NT$522 Mil.
Long-Term Debt & Capital Lease Obligation was NT$83 Mil.
Net Income was -22.365 + 20.579 + 16.87 + 1.11 = NT$16 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = NT$0 Mil.
Cash Flow from Operations was 90.913 + -47.052 + -76.451 + 15.138 = NT$-17 Mil.
Total Receivables was NT$295 Mil.
Revenue was 359.876 + 382.698 + 352.765 + 268.538 = NT$1,364 Mil.
Gross Profit was 33.397 + 54.205 + 70.385 + 21.169 = NT$179 Mil.
Total Current Assets was NT$2,141 Mil.
Total Assets was NT$2,967 Mil.
Property, Plant and Equipment(Net PPE) was NT$581 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$114 Mil.
Selling, General, & Admin. Expense(SGA) was NT$126 Mil.
Total Current Liabilities was NT$347 Mil.
Long-Term Debt & Capital Lease Obligation was NT$82 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)
=(281.274 / 1891.994) / (295.483 / 1363.877)
=0.148665 / 0.216649
=0.6862

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)
=(179.156 / 1363.877) / (354.915 / 1891.994)
=0.131358 / 0.187588
=0.7002

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 - (2207.389 + 752.318) / 3157.079) / (1 - (2141.288 + 580.832) / 2967.228)
=0.062517 / 0.082605
=0.7568

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
=1891.994 / 1363.877
=1.3872

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))
=(114.296 / (114.296 + 580.832)) / (122.96 / (122.96 + 752.318))
=0.164424 / 0.140481
=1.1704

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)
=(142.178 / 1891.994) / (125.744 / 1363.877)
=0.075147 / 0.092196
=0.8151

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)
=((83.254 + 521.974) / 3157.079) / ((82.051 + 347.215) / 2967.228)
=0.191705 / 0.144669
=1.3251

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
=(16.194 - 0 - -17.452) / 3157.079
=0.010657

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.

Foci Fiber Optic Communications has a M-score of -2.68 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 -2.68 mean?
Foci Fiber Optic Communications (ROCO:3363) has a Beneish M-Score of -2.68 as of Jul. 12, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Foci Fiber Optic Communications and its competitors. According to the industry distribution chart, Foci Fiber Optic Communications ranks #786 out of 2408 companies in the Hardware industry, placing it in the top 32.6%.
Is Foci Fiber Optic Communications' Beneish M-Score too high?
Foci Fiber Optic Communications' current Beneish M-Score is -2.68. Based on the distribution chart, Foci Fiber Optic Communications ranks #786 out of 2408 companies in the Hardware industry, which is above the industry midpoint. Overall, Foci Fiber Optic Communications has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Foci Fiber Optic Communications' Beneish M-Score compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Foci Fiber Optic Communications ranks #786 out of 2408 companies for Beneish M-Score. This puts Foci Fiber Optic Communications in the upper 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 Foci Fiber Optic Communications and its competitors. Foci Fiber Optic Communications's current Beneish M-Score is -2.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Foci Fiber Optic Communications stock overvalued right now?
Based on GuruFocus' analysis, Foci Fiber Optic Communications (ROCO:3363) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$227.33, compared to a current price of NT$608.00 — trading 167.5% above its estimated fair value. The current Beneish M-Score is -2.68. Foci Fiber Optic Communications' overall GF Score™ is 74/100 with 3 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 Foci Fiber Optic Communications (ROCO:3363), the current Beneish M-Score is -2.68 as of Jul. 12, 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 Foci Fiber Optic Communications (ROCO:3363) Overvalued in 2026?

Based on GuruFocus' analysis, Foci Fiber Optic Communications stock appears to be overvalued. The current stock price of NT$608.00 is trading 167.5% above its estimated GF Value™ of NT$227.33. GuruFocus considers Foci Fiber Optic Communications to be Significantly Overvalued.

Key valuation signals for ROCO:3363:

  • Beneish M-Score: -2.68
  • GF Value™: NT$227.33 vs. price of NT$608.00 (167.5% above fair value)
  • GF Score™: 74/100 with 3 warning signs

No single metric tells the full story. See the ROCO:3363 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Foci Fiber Optic Communications Business Description

Address No. 18, Prosperity 2nd Road, Science Industrial Park, Hsinchu, TWN, 300
Foci Fiber Optic Communications Inc is engaged in the research, manufacture and sales of various passive fiber optical components, fiber optic test equipment, fiber optics application system and plan, design, consulting and technology services of system integration of the aforementioned products. Its products include interconnector series, isolators, couplers, splitters, attenuators, WDM devices, and filter devices, among others. Geographically, it generates the majority of its revenue from America.
74GF Score

Get the complete analysis for ROCO:3363

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

NT$608.00
Price
NT$227.33
GF Value