Joby Aviation (STU:8TQ) Beneish M-Score: 618.81 (As of Jul. 29, 2026) — 3725% Above Median

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STU:8TQ Joby Aviation Inc STU:8TQ
30 GF Score
Price €6.35
! 4 Warning Signs
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What is Joby Aviation Beneish M-Score?

Joby Aviation STU:8TQ -1.55% 30 Beneish M-Score is 618.81 as of Jul. 29, 2026, which is 3725% above its 10-year median of 16.18. GuruFocus rates STU:8TQ with a GF Score™ of 30/100. The stock has 4 warning signs investors should review. Among 967 Transportation companies, Joby Aviation ranks worse than 100% 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 618.81 higher than -1.78, which implies that the company might have manipulated its financial results.

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

STU:8TQ' s Beneish M-Score Range Over the Past 10 Years
Min: -3.6   Med: 16.18   Max: 618.81
Current: 618.81

During the past 6 years, the highest Beneish M-Score of Joby Aviation was 618.81. The lowest was -3.60. And the median was 16.18.


Joby Aviation Beneish M-Score Historical Data

* Premium members only.

The historical data trend for Joby Aviation'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.

Joby Aviation Beneish M-Score Chart

Joby Aviation Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beneish M-Score
Get a 7-Day Free Trial 0.00 0.00 0.00 18.42 346.14

Joby Aviation 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 6.24 -3.60 13.94 346.14 618.81

STU:8TQ vs CAAP, ASLE, UP: Beneish M-Score Comparison

For the Airports & Air Services subindustry, Joby Aviation'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.


Joby Aviation Beneish M-Score vs Transportation Industry

For the Transportation industry and Industrials sector, Joby Aviation's Beneish M-Score distribution charts can be found below:

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


STU:8TQ
30GF Score
Joby Aviation Inc STU:8TQ
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Joby Aviation 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 Joby Aviation 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 * 0.0017+0.528 * 1.4186+0.404 * 0.7658+0.892 * 639.9327+0.115 * 1.2689
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.0024+4.679 * -0.066953-0.327 * 4.268
=565.48

* 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 (Mar26) TTM:Last Year (Mar25) TTM:
Total Receivables was €9.95 Mil.
Revenue was 20.973 + 26.334 + 19.233 + 0.013 = €66.55 Mil.
Gross Profit was 4.708 + 9.888 + 10.662 + 0.004 = €25.26 Mil.
Total Current Assets was €2,172.52 Mil.
Total Assets was €2,532.42 Mil.
Property, Plant and Equipment(Net PPE) was €210.12 Mil.
Depreciation, Depletion and Amortization(DDA) was €36.11 Mil.
Selling, General, & Admin. Expense(SGA) was €167.65 Mil.
Total Current Liabilities was €98.51 Mil.
Long-Term Debt & Capital Lease Obligation was €636.08 Mil.
Net Income was -95.107 + -103.792 + -341.845 + -281.492 = €-822.24 Mil.
Non Operating Income was 91.702 + 61.978 + -195.235 + -144.401 = €-185.96 Mil.
Cash Flow from Operations was -124.94 + -130.805 + -118.592 + -92.39 = €-466.73 Mil.
Total Receivables was €9.03 Mil.
Revenue was 0 + 0.053 + 0.025 + 0.026 = €0.10 Mil.
Gross Profit was 0 + 0.032 + 0.012 + 0.012 = €0.06 Mil.
Total Current Assets was €778.37 Mil.
Total Assets was €1,002.72 Mil.
Property, Plant and Equipment(Net PPE) was €146.91 Mil.
Depreciation, Depletion and Amortization(DDA) was €33.59 Mil.
Selling, General, & Admin. Expense(SGA) was €109.73 Mil.
Total Current Liabilities was €43.94 Mil.
Long-Term Debt & Capital Lease Obligation was €24.21 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)
=(9.946 / 66.553) / (9.034 / 0.104)
=0.149445 / 86.865385
=0.0017

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)
=(0.056 / 0.104) / (25.262 / 66.553)
=0.538462 / 0.379577
=1.4186

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 - (2172.524 + 210.12) / 2532.421) / (1 - (778.369 + 146.911) / 1002.717)
=0.059144 / 0.077227
=0.7658

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
=66.553 / 0.104
=639.9327

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))
=(33.588 / (33.588 + 146.911)) / (36.108 / (36.108 + 210.12))
=0.186084 / 0.146645
=1.2689

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)
=(167.648 / 66.553) / (109.73 / 0.104)
=2.519015 / 1055.096154
=0.0024

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)
=((636.081 + 98.505) / 2532.421) / ((24.212 + 43.937) / 1002.717)
=0.290073 / 0.067964
=4.268

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
=(-822.236 - -185.956 - -466.727) / 2532.421
=-0.066953

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.

Joby Aviation has a M-score of 565.48 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 618.81 mean?
Joby Aviation (STU:8TQ) has a Beneish M-Score of 618.81 as of Jul. 29, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on Joby Aviation and its competitors. This is 3725% above median its historical median of 16.18. According to the industry distribution chart, Joby Aviation ranks #967 out of 967 companies in the Transportation industry.
Is Joby Aviation's Beneish M-Score too high?
Joby Aviation's current Beneish M-Score of 618.81 is 3725% above median its 10-year median of 16.18. Based on the distribution chart, Joby Aviation ranks #967 out of 967 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, Joby Aviation has a GF Score™ of 30/100, reflecting its overall financial health beyond just this single metric.
How does Joby Aviation's Beneish M-Score compare to CAAP and ASLE?
According to the Transportation industry distribution chart, Joby Aviation ranks #967 out of 967 companies for Beneish M-Score. This places Joby Aviation 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 Transportation company?
A good Beneish M-Score depends on the Transportation 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 Joby Aviation and its competitors. Joby Aviation's current Beneish M-Score is 618.81, which is 3725% above median its own 10-year median of 16.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Joby Aviation stock overvalued right now?
Joby Aviation (STU:8TQ) has a current Beneish M-Score of 618.81. The current Beneish M-Score is 618.81, which is 3725% above median its 10-year median of 16.18. Joby Aviation's overall GF Score™ is 30/100 with 4 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 Joby Aviation (STU:8TQ), the current Beneish M-Score is 618.81 as of Jul. 29, 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.

Joby Aviation Business Description

Other Exchanges JOBY:USA1JOBY:Italy
Address 333 Encinal Street, Santa Cruz, CA, USA, 95060
Joby Aviation Inc is a transportation company developing an all-electric, vertical take-off and landing (eVTOL) air taxi for commercial passenger service. Its Joby eVTOL aircraft is designed to transport a pilot and up to four passengers or an expected payload of up to 1,000 pounds at speeds of up to 200 mph. The aircraft is optimized for urban routes, with a target range of up to 100 miles on a single charge. The company is also developing an app-based platform that will help consumers to book rides directly through its service. It has one operating and reportable segment, air transportation and related services. The company's revenue consists of passenger revenue, which includes revenue generated from the transportation of passengers via helicopter or fixed wing aircraft.
30GF Score

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

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