Edison Opto (TPE:3591) Beneish M-Score: -3.06 (As of Jul. 08, 2026)


TPE:3591 Edison Opto Corp TPE:3591
76 GF Score
Price NT$26.10
GF Value NT$26.79
Valuation Fairly Valued
! 9 Warning Signs
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What is Edison Opto Beneish M-Score?

Edison Opto TPE:3591 +0.19% 76 Beneish M-Score is -3.06 as of Jul. 08, 2026. GuruFocus rates TPE:3591 with a GF Score™ of 76/100 and a GF Value™ of NT$26.79 (Fairly Valued). The stock has 9 warning signs investors should review. Among 2,405 Hardware companies, Edison Opto ranks better than 84.53% 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 -3.06 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

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

TPE:3591' s Beneish M-Score Range Over the Past 10 Years
Min: -3.35   Med: -2.83   Max: -2.05
Current: -3.06

During the past 13 years, the highest Beneish M-Score of Edison Opto was -2.05. The lowest was -3.35. And the median was -2.83.


Edison Opto Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Edison Opto'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.

Edison Opto Beneish M-Score Chart

Edison Opto 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 -2.78 -2.80 -2.38 -2.05 -3.06

Edison Opto 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 -2.05 -2.32 -2.82 -2.71 -3.06

TPE:3591 vs APH, GLW: Beneish M-Score Comparison

For the Electronic Components subindustry, Edison Opto'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.


Edison Opto Beneish M-Score vs Hardware Industry

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

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


TPE:3591
76GF Score
Edison Opto Corp TPE:3591
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Edison Opto 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 Edison Opto 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 * 0.9553+0.528 * 1.1641+0.404 * 0.4988+0.892 * 0.9019+0.115 * 1.083
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 1.124+4.679 * -0.057443-0.327 * 1.1569
=-3.06

* 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$685 Mil.
Revenue was 552.793 + 568.005 + 614.243 + 572.783 = NT$2,308 Mil.
Gross Profit was 118.717 + 104.163 + 134.485 + 132.594 = NT$490 Mil.
Total Current Assets was NT$2,306 Mil.
Total Assets was NT$4,103 Mil.
Property, Plant and Equipment(Net PPE) was NT$1,739 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$117 Mil.
Selling, General, & Admin. Expense(SGA) was NT$348 Mil.
Total Current Liabilities was NT$627 Mil.
Long-Term Debt & Capital Lease Obligation was NT$463 Mil.
Net Income was -17.906 + -24.898 + -17.26 + 12.827 = NT$-47 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = NT$0 Mil.
Cash Flow from Operations was 116.936 + 37.732 + 13.404 + 20.402 = NT$188 Mil.
Total Receivables was NT$795 Mil.
Revenue was 675.452 + 675.195 + 668.68 + 539.463 = NT$2,559 Mil.
Gross Profit was 163.461 + 165.05 + 167.57 + 136.32 = NT$632 Mil.
Total Current Assets was NT$2,376 Mil.
Total Assets was NT$4,185 Mil.
Property, Plant and Equipment(Net PPE) was NT$1,691 Mil.
Depreciation, Depletion and Amortization(DDA) was NT$124 Mil.
Selling, General, & Admin. Expense(SGA) was NT$343 Mil.
Total Current Liabilities was NT$677 Mil.
Long-Term Debt & Capital Lease Obligation was NT$284 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)
=(685.026 / 2307.824) / (795.077 / 2558.79)
=0.296828 / 0.310724
=0.9553

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)
=(632.401 / 2558.79) / (489.959 / 2307.824)
=0.247148 / 0.212303
=1.1641

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 - (2306.441 + 1739.33) / 4103.41) / (1 - (2376.354 + 1691.125) / 4185.351)
=0.014047 / 0.028163
=0.4988

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
=2307.824 / 2558.79
=0.9019

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))
=(123.541 / (123.541 + 1691.125)) / (116.676 / (116.676 + 1739.33))
=0.068079 / 0.062864
=1.083

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)
=(347.795 / 2307.824) / (343.061 / 2558.79)
=0.150703 / 0.134072
=1.124

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)
=((463.137 + 626.969) / 4103.41) / ((283.611 + 677.441) / 4185.351)
=0.265659 / 0.229623
=1.1569

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
=(-47.237 - 0 - 188.474) / 4103.41
=-0.057443

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.

Edison Opto has a M-score of -3.06 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 -3.06 mean?
Edison Opto (TPE:3591) has a Beneish M-Score of -3.06 as of Jul. 08, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Edison Opto and its competitors. According to the industry distribution chart, Edison Opto ranks #372 out of 2405 companies in the Hardware industry, placing it in the top 15.5%.
Is Edison Opto's Beneish M-Score too high?
Edison Opto's current Beneish M-Score is -3.06. Based on the distribution chart, Edison Opto ranks #372 out of 2405 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Edison Opto has a GF Score™ of 76/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Edison Opto's Beneish M-Score compare to APH and GLW?
According to the Hardware industry distribution chart, Edison Opto ranks #372 out of 2405 companies for Beneish M-Score. This places Edison Opto in the top 16% of its industry — outperforming the majority of peers. 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 Edison Opto and its competitors. Edison Opto's current Beneish M-Score is -3.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Edison Opto stock overvalued right now?
Based on GuruFocus' analysis, Edison Opto (TPE:3591) is currently considered Fairly Valued. The stock's GF Value™ is NT$26.79, compared to a current price of NT$26.10 — trading 2.6% below its estimated fair value. The current Beneish M-Score is -3.06. Edison Opto's overall GF Score™ is 76/100 with 9 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 Edison Opto (TPE:3591), the current Beneish M-Score is -3.06 as of Jul. 08, 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 Edison Opto (TPE:3591) Overvalued in 2026?

Based on GuruFocus' analysis, Edison Opto stock appears to be undervalued. The current stock price of NT$26.10 is trading 2.6% below its estimated GF Value™ of NT$26.79. GuruFocus considers Edison Opto to be Fairly Valued.

Key valuation signals for TPE:3591:

  • Beneish M-Score: -3.06
  • GF Value™: NT$26.79 vs. price of NT$26.10 (2.6% below fair value)
  • GF Score™: 76/100 with 9 warning signs

No single metric tells the full story. See the TPE:3591 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Edison Opto Business Description

Address Qiaohe Road, 17th Floor, No. 17, Zhonghe District, New Taipei, TWN, 235029
Edison Opto Corp is engaged in manufacturing, selling, researching, and developing LED components, modules, and finished products in general lighting and automotive lighting areas. The company's operating segments include The Company; Edison Opto (Dong Guan) Co. Ltd; Yangzhou Edison Opto Corporation; Yangzhou Edison-Litek Opto Corporation; Edison-Litek Opto Corporation, and other subsidiaries. It generates maximum revenue from the Company segment.
76GF Score

Get the complete analysis for TPE:3591

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

NT$26.10
Price
NT$26.79
GF Value