AAOI (Applied Optoelectronics) Beneish M-Score: -1.21 (As of Jun. 25, 2026)


AAOI Applied Optoelectronics Inc AAOI
46 GF Score
Price $146.97
GF Value $20.27
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Applied Optoelectronics Beneish M-Score?

Applied Optoelectronics AAOI -0.30% 46 Beneish M-Score is -1.21 as of Jun. 25, 2026. GuruFocus rates AAOI with a GF Score™ of 46/100 and a GF Value™ of $20.27 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 2,403 Hardware companies, Applied Optoelectronics ranks worse than 91.47% 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 -1.21 higher than -1.78, which implies that the company might have manipulated its financial results.

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

AAOI' s Beneish M-Score Range Over the Past 10 Years
Min: -3.44   Med: -2.64   Max: 0.1
Current: -1.21

During the past 13 years, the highest Beneish M-Score of Applied Optoelectronics was 0.10. The lowest was -3.44. And the median was -2.64.


Applied Optoelectronics Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Applied Optoelectronics'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.

Applied Optoelectronics Beneish M-Score Chart

Applied Optoelectronics 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 -2.60 -2.96 -3.26 -1.41 -0.63

Applied Optoelectronics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 -0.73 0.10 -0.17 -0.63 -1.21

AAOI vs VIAV, ZBRA, VSAT: Beneish M-Score Comparison

For the Communication Equipment subindustry, Applied Optoelectronics'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.


Applied Optoelectronics Beneish M-Score vs Hardware Industry

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

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


AAOI
46GF Score
Applied Optoelectronics Inc AAOI
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Applied Optoelectronics 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 Applied Optoelectronics 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 * 1.0635+0.528 * 0.9266+0.404 * 0.9643+0.892 * 1.6432+0.115 * 1.3152
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.8589+4.679 * 0.103656-0.327 * 0.5641
=-1.21

* 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 (Mar26) TTM:Last Year (Mar25) TTM:
Total Receivables was $299.0 Mil.
Revenue was 151.144 + 134.274 + 118.63 + 102.952 = $507.0 Mil.
Gross Profit was 43.916 + 41.944 + 33.263 + 31.162 = $150.3 Mil.
Total Current Assets was $992.6 Mil.
Total Assets was $1,565.9 Mil.
Property, Plant and Equipment(Net PPE) was $491.0 Mil.
Depreciation, Depletion and Amortization(DDA) was $31.2 Mil.
Selling, General, & Admin. Expense(SGA) was $115.6 Mil.
Total Current Liabilities was $259.4 Mil.
Long-Term Debt & Capital Lease Obligation was $200.5 Mil.
Net Income was -14.281 + -2.022 + -17.936 + -9.098 = $-43.3 Mil.
Non Operating Income was -1.229 + 0.867 + -2.517 + 6.095 = $3.2 Mil.
Cash Flow from Operations was -85.353 + -29.577 + -28.462 + -65.474 = $-208.9 Mil.
Total Receivables was $171.1 Mil.
Revenue was 99.859 + 100.271 + 65.151 + 43.27 = $308.6 Mil.
Gross Profit was 30.544 + 28.729 + 15.917 + 9.562 = $84.8 Mil.
Total Current Assets was $358.8 Mil.
Total Assets was $644.7 Mil.
Property, Plant and Equipment(Net PPE) was $250.7 Mil.
Depreciation, Depletion and Amortization(DDA) was $21.4 Mil.
Selling, General, & Admin. Expense(SGA) was $81.9 Mil.
Total Current Liabilities was $191.0 Mil.
Long-Term Debt & Capital Lease Obligation was $144.6 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)
=(298.996 / 507) / (171.101 / 308.551)
=0.589736 / 0.554531
=1.0635

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)
=(84.752 / 308.551) / (150.285 / 507)
=0.274677 / 0.29642
=0.9266

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 - (992.577 + 490.952) / 1565.879) / (1 - (358.842 + 250.669) / 644.668)
=0.05259 / 0.054535
=0.9643

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
=507 / 308.551
=1.6432

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))
=(21.379 / (21.379 + 250.669)) / (31.2 / (31.2 + 490.952))
=0.078585 / 0.059753
=1.3152

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)
=(115.587 / 507) / (81.899 / 308.551)
=0.227982 / 0.265431
=0.8589

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)
=((200.499 + 259.428) / 1565.879) / ((144.648 + 191.007) / 644.668)
=0.293718 / 0.520663
=0.5641

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
=(-43.337 - 3.216 - -208.866) / 1565.879
=0.103656

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.

Applied Optoelectronics has a M-score of -1.21 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 -1.21 mean?
Applied Optoelectronics (AAOI) has a Beneish M-Score of -1.21 as of Jun. 25, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Applied Optoelectronics and its competitors. According to the industry distribution chart, Applied Optoelectronics ranks #2198 out of 2403 companies in the Hardware industry, placing it in the top 91.5%.
Is Applied Optoelectronics' Beneish M-Score too high?
Applied Optoelectronics' current Beneish M-Score is -1.21. Based on the distribution chart, Applied Optoelectronics ranks #2198 out of 2403 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Applied Optoelectronics has a GF Score™ of 46/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Applied Optoelectronics' Beneish M-Score compare to VIAV and ZBRA?
According to the Hardware industry distribution chart, Applied Optoelectronics ranks #2198 out of 2403 companies for Beneish M-Score. This places Applied Optoelectronics 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 Applied Optoelectronics and its competitors. Applied Optoelectronics's current Beneish M-Score is -1.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Applied Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, Applied Optoelectronics (AAOI) is currently considered Significantly Overvalued. The stock's GF Value™ is $20.27, compared to a current price of $146.97 — trading 625.1% above its estimated fair value. The current Beneish M-Score is -1.21. Applied Optoelectronics' overall GF Score™ is 46/100 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 Applied Optoelectronics (AAOI), the current Beneish M-Score is -1.21 as of Jun. 25, 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 Applied Optoelectronics (AAOI) Overvalued in 2026?

Based on GuruFocus' analysis, Applied Optoelectronics stock appears to be overvalued. The current stock price of $146.97 is trading 625.1% above its estimated GF Value™ of $20.27. GuruFocus considers Applied Optoelectronics to be Significantly Overvalued.

Key valuation signals for AAOI:

  • Beneish M-Score: -1.21
  • GF Value™: $20.27 vs. price of $146.97 (625.1% above fair value)
  • GF Score™: 46/100 with 7 warning signs

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


Applied Optoelectronics Business Description

Address 13139 Jess Pirtle Boulevard, Sugar Land, TX, USA, 77478
Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to meet turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.
46GF Score

Get the complete analysis for AAOI

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

$146.97
Price
$20.27
GF Value