GlobalWafers Co (ROCO:6488) Beneish M-Score: -2.48 (As of Jun. 30, 2026)


ROCO:6488 GlobalWafers Co Ltd ROCO:6488
72 GF Score
Price NT$915.00
GF Value NT$413.14
Valuation Significantly Overvalued
! 7 Warning Signs
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What is GlobalWafers Co Beneish M-Score?

GlobalWafers Co ROCO:6488 -2.24% 72 Beneish M-Score is -2.48 as of Jun. 30, 2026. GuruFocus rates ROCO:6488 with a GF Score™ of 72/100 and a GF Value™ of NT$413.14 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 986 Semiconductors companies, GlobalWafers Co ranks better than 53.45% 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 -2.48 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

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

ROCO:6488' s Beneish M-Score Range Over the Past 10 Years
Min: -3.65   Med: -2.58   Max: -2.28
Current: -2.48

During the past 13 years, the highest Beneish M-Score of GlobalWafers Co was -2.28. The lowest was -3.65. And the median was -2.58.


GlobalWafers Co Beneish M-Score Historical Data

* Premium members only.

The historical data trend for GlobalWafers 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.

GlobalWafers Co Beneish M-Score Chart

GlobalWafers 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 -2.59 -3.12 -2.28 -2.49 -2.48

GlobalWafers Co 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 -2.49 -2.44 -2.59 -2.52 -2.48

ROCO:6488 vs NVDA, AVGO, MU: Beneish M-Score Comparison

For the Semiconductors subindustry, GlobalWafers 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.


GlobalWafers Co Beneish M-Score vs Semiconductors Industry

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

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


ROCO:6488
72GF Score
GlobalWafers Co Ltd ROCO:6488
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

GlobalWafers 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 GlobalWafers 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 * 1.0182+0.528 * 1.3104+0.404 * 1.009+0.892 * 0.9676+0.115 * 0.824
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 1.1579+4.679 * -0.024881-0.327 * 0.9746
=-2.48

* 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$10,113 Mil.
Revenue was 14502.073 + 14493.434 + 16007.909 + 15594.522 = NT$60,598 Mil.
Gross Profit was 3726.346 + 2662.333 + 4123.003 + 4111.859 = NT$14,624 Mil.
Total Current Assets was NT$86,629 Mil.
Total Assets was NT$218,343 Mil.
Property, Plant and Equipment(Net PPE) was NT$108,027 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$8,949 Mil.
Selling, General, & Admin. Expense(SGA) was NT$3,770 Mil.
Total Current Liabilities was NT$54,109 Mil.
Long-Term Debt & Capital Lease Obligation was NT$43,244 Mil.
Net Income was 2204.812 + 1969.191 + 1681.745 + 1456.28 = NT$7,312 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = NT$0 Mil.
Cash Flow from Operations was 4916.466 + 1493.075 + 5309.417 + 1025.757 = NT$12,745 Mil.
Total Receivables was NT$10,265 Mil.
Revenue was 16343.334 + 15869.978 + 15325.629 + 15087.063 = NT$62,626 Mil.
Gross Profit was 4917.476 + 4767.063 + 4951.387 + 5167.575 = NT$19,804 Mil.
Total Current Assets was NT$80,492 Mil.
Total Assets was NT$224,581 Mil.
Property, Plant and Equipment(Net PPE) was NT$119,944 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$8,069 Mil.
Selling, General, & Admin. Expense(SGA) was NT$3,365 Mil.
Total Current Liabilities was NT$65,065 Mil.
Long-Term Debt & Capital Lease Obligation was NT$37,678 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)
=(10113.27 / 60597.938) / (10265.153 / 62626.004)
=0.166891 / 0.163912
=1.0182

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)
=(19803.501 / 62626.004) / (14623.541 / 60597.938)
=0.316218 / 0.241321
=1.3104

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 - (86629.456 + 108027.121) / 218342.817) / (1 - (80491.722 + 119943.652) / 224580.571)
=0.108482 / 0.107512
=1.009

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
=60597.938 / 62626.004
=0.9676

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))
=(8069.474 / (8069.474 + 119943.652)) / (8948.61 / (8948.61 + 108027.121))
=0.063036 / 0.0765
=0.824

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)
=(3770.271 / 60597.938) / (3365.058 / 62626.004)
=0.062218 / 0.053733
=1.1579

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)
=((43244.064 + 54108.725) / 218342.817) / ((37678.031 + 65064.566) / 224580.571)
=0.445871 / 0.457487
=0.9746

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
=(7312.028 - 0 - 12744.715) / 218342.817
=-0.024881

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.

GlobalWafers Co has a M-score of -2.48 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 -2.48 mean?
GlobalWafers Co (ROCO:6488) has a Beneish M-Score of -2.48 as of Jun. 30, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on GlobalWafers Co and its competitors. According to the industry distribution chart, GlobalWafers Co ranks #459 out of 986 companies in the Semiconductors industry, placing it in the top 46.6%.
Is GlobalWafers Co's Beneish M-Score too high?
GlobalWafers Co's current Beneish M-Score is -2.48. Based on the distribution chart, GlobalWafers Co ranks #459 out of 986 companies in the Semiconductors industry, which is above the industry midpoint. Overall, GlobalWafers Co has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does GlobalWafers Co's Beneish M-Score compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, GlobalWafers Co ranks #459 out of 986 companies for Beneish M-Score. This puts GlobalWafers Co 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 Semiconductors company?
A good Beneish M-Score depends on the Semiconductors 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 GlobalWafers Co and its competitors. GlobalWafers Co's current Beneish M-Score is -2.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is GlobalWafers Co stock overvalued right now?
Based on GuruFocus' analysis, GlobalWafers Co (ROCO:6488) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$413.14, compared to a current price of NT$915.00 — trading 121.5% above its estimated fair value. The current Beneish M-Score is -2.48. GlobalWafers Co's overall GF Score™ is 72/100 with 7 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 GlobalWafers Co (ROCO:6488), the current Beneish M-Score is -2.48 as of Jun. 30, 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 GlobalWafers Co (ROCO:6488) Overvalued in 2026?

Based on GuruFocus' analysis, GlobalWafers Co stock appears to be overvalued. The current stock price of NT$915.00 is trading 121.5% above its estimated GF Value™ of NT$413.14. GuruFocus considers GlobalWafers Co to be Significantly Overvalued.

Key valuation signals for ROCO:6488:

  • Beneish M-Score: -2.48
  • GF Value™: NT$413.14 vs. price of NT$915.00 (121.5% above fair value)
  • GF Score™: 72/100 with 7 warning signs

No single metric tells the full story. See the ROCO:6488 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


GlobalWafers Co Business Description

Address No. 8, Industrial East Road 2, Hsinchu Science Park, Hsinchu, TWN
GlobalWafers is 46.64% owned by Sino-American Silicon Products after being spun off in 2011. The main source of the company's revenue is selling silicon wafers to chipmakers like TSMC and Texas Instruments. It also derives sales from gallium nitride products and green energy. GlobalWafers runs 18 production sites in nine countries across Asia, North America, and Europe. GlobalWafers is headquartered in Hsinchu, Taiwan, and employs over 7,084 people as of March 31, 2026. GlobalWafers had nearly 17% market share in silicon wafers in 2025.
72GF Score

Get the complete analysis for ROCO:6488

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

NT$915.00
Price
NT$413.14
GF Value