Blue BirdSTU:4RB +1.05%80 Altman Z2-Score is 5.18 as of Jul. 01, 2026, which is 5080% above its 10-year median of 0.10. GuruFocus rates STU:4RB with a GF Score™ of 80/100 and a GF Value™ of €44.23 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 208 Farm & Heavy Construction Machinery companies, Blue Bird ranks better than 64.42% on this metric.
Altman Z2-Score, also known as Z"-Score, is used to predict the likelihood that a non-manufacturing company (excluding property/financial company) will face bankruptcy within a two-year period.
Good Sign:
Blue Bird has a Altman Z2-Score of 5.18, indicating it is in Safe Zones. This implies the Altman Z2-Score is strong.
The zones of discrimination were as such:
When Altman Z2-Score <= 1.1, it is in Distress Zones.
When Altman Z2-Score >= 2.6, it is in Safe Zones.
When Altman Z2-Score is between 1.1 and 2.6, it is in Grey Zones.
The historical rank and industry rank for Blue Bird's Altman Z2-Score or its related term are showing as below:
STU:4RB'
s Altman Z2-Score Range Over the Past 10 Years
Min: -2.25 Med: 0.1 Max: 5.19
Current: 5.19
During the past 13 years, Blue Bird's highest Altman Z2-Score was 5.19. The lowest was -2.25. And the median was 0.10.
Blue Bird (STU:4RB) Altman Z2-Score Explanation
The original Z-Score model was based on publicly traded manufacturing companies while the Z2-Score, also known as Z"-score can be used for any type of company excluding property/financial companies. Both Z-Score and Z2-Score describes the financial health of a company, and its likelihood of financial distress.
X1: The Working Capital/Total Assets (WC/TA) ratio is a measure of the net liquid assets of the firm relative to the total capitalization. Working capital is defined as the difference between current assets and current liabilities. Ordinarily, a firm experiencing consistent operating losses will have shrinking current assets in relation to total assets. Altman found this one proved to be the most valuable liquidity ratio comparing with the current ratio and the quick ratio. This is however the least significant of the five factors.
X2: Retained Earnings/Total Assets: the RE/TA ratio measures the leverage of a firm. Retained earnings is the account which reports the total amount of reinvested earnings and/or losses of a firm over its entire life. Those firms with high RE, relative to TA, have financed their assets through retention of profits and have not utilized as much debt.
X3, Earnings Before Interest and Taxes/Total Assets (EBIT/TA): This ratio is a measure of the true productivity of the firm's assets, independent of any tax or leverage factors. Since a firm's ultimate existence is based on the earning power of its assets, this ratio appears to be particularly appropriate for studies dealing with corporate failure. This ratio continually outperforms other profitability measures, including cash flow.
Altman Z2-Score does not apply to financial companies.
Blue Bird Altman Z2-Score Related Terms
Blue Bird Altman Z2-Score Historical Data
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The historical data trend for Blue Bird's Altman Z2-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.
STU:4RB vs ALG, ASTE, LNN: Altman Z2-Score Comparison
For the Farm & Heavy Construction Machinery subindustry, Blue Bird's Altman Z2-Score, along with its competitors' market caps and Altman Z2-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.
Blue Bird Altman Z2-Score vs Farm & Heavy Construction Machinery Industry
For the Farm & Heavy Construction Machinery industry and Industrials sector, Blue Bird's Altman Z2-Score distribution charts can be found below:
* The bar in red indicates where Blue Bird's Altman Z2-Score falls into.
Altman Z-Score model is an accurate forecaster of failure up to two years prior to distress. It can be considered the assessment of the distress of industrial corporations.
Z2-Score, also known as Z"-Score is the Z-Score for non-manufacturing companies excluding property/financial companies.
Blue Bird's Altman Z2-Score for today is calculated with this formula:
Z
=
6.56
*
X1
+
3.26
*
X2
+
6.72
*
X3
+
1.05
*
X4_2
=
6.56
*
0.3079
+
3.26
*
0.1861
+
6.72
*
0.2614
+
1.05
*
0.7611
=
5.18
* 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. GuruFocus does not calculate Altman Z2-Score when X4_2 value is 0.
Blue Bird (STU:4RB) has a Altman Z2-Score of 5.18 as of Jul. 01, 2026. Z2-Score is the Z-Score for non-manufacturing companies excluding property/financial companies, which measures a company's bankruptcy risk. View historical data on Blue Bird and its competitors. This is 5080% above median its historical median of 0.10. According to the industry distribution chart, Blue Bird ranks #74 out of 208 companies in the Farm & Heavy Construction Machinery industry, placing it in the top 35.6%.
Is Blue Bird's Altman Z2-Score too high?
Blue Bird's current Altman Z2-Score of 5.18 is 5080% above median its 10-year median of 0.10. The Farm & Heavy Construction Machinery industry median Altman Z2-Score is 4.00. Blue Bird's value of 5.18 is 29.7% above this industry median. Based on the distribution chart, Blue Bird ranks #74 out of 208 companies in the Farm & Heavy Construction Machinery industry, which is above the industry midpoint. Overall, Blue Bird has a GF Score™ of 80/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Blue Bird's Altman Z2-Score compare to ALG and ASTE?
According to the Farm & Heavy Construction Machinery industry distribution chart, Blue Bird ranks #74 out of 208 companies for Altman Z2-Score. This puts Blue Bird in the upper half of its industry. The industry median Altman Z2-Score is 4.00. Blue Bird's value of 5.18 is 29.7% above this benchmark. While the company's 10-year median is 0.10 vs. the industry median of 4.00, Blue Bird has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Altman Z2-Score for a Farm & Heavy Construction Machinery company?
The median Altman Z2-Score among Farm & Heavy Construction Machinery companies is 4.00, based on 208 companies in the industry. Companies in the top quartile (top 25%) have a Altman Z2-Score significantly above this median, while those in the bottom quartile fall well below. However, Altman Z2-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Blue Bird's current Altman Z2-Score of 5.18 is 29.7% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Altman Z2-Score mean?
A high Altman Z2-Score can signal that a stock is expensive relative to its fundamentals. Z2-Score is the Z-Score for non-manufacturing companies excluding property/financial companies, which measures a company's bankruptcy risk. View historical data on Blue Bird and its competitors. For the Farm & Heavy Construction Machinery industry, the median Altman Z2-Score is 4.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Blue Bird's current Altman Z2-Score is 5.18, which is 5080% above median its own 10-year median of 0.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Blue Bird stock overvalued right now?
Based on GuruFocus' analysis, Blue Bird (STU:4RB) is currently considered Significantly Overvalued. The stock's GF Value™ is €44.23, compared to a current price of €69.10 — trading 56.2% above its estimated fair value. The current Altman Z2-Score is 5.18, which is 5080% above median its 10-year median of 0.10 and 29.7% above the Farm & Heavy Construction Machinery industry median of 4.00. Blue Bird's overall GF Score™ is 80/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Altman Z2-Score calculated?
Altman Z2-Score is calculated from a company's financial statements. For Blue Bird (STU:4RB), the current Altman Z2-Score is 5.18 as of Jul. 01, 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 Blue Bird (STU:4RB) Overvalued in 2026?
Based on GuruFocus' analysis, Blue Bird stock appears to be overvalued.
The current stock price of €69.10 is trading 56.2% above its estimated GF Value™ of €44.23.
GuruFocus considers Blue Bird to be Significantly Overvalued.
Key valuation signals for STU:4RB:
Altman Z2-Score: 5.18 (5080% above median its 10-year median of 0.10)
GF Value™: €44.23 vs. price of €69.10 (56.2% above fair value)
Industry Position: 29.7% above the Farm & Heavy Construction Machinery median (#74 of 208)
No single metric tells the full story. See the STU:4RB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Blue Bird Corp is an American bus manufacturing company. It is an independent designer and manufacturer of school buses. The company operates in two segments; the Bus segment which involves the design, engineering, manufacture, and sales of school buses and extended warranties; and the Parts segment which includes the sales of replacement bus parts. Geographically, the company generates a majority of its revenue from its customers in the United States and the rest from Canada and Rest of the world.
80GF Score
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