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Allison Transmission HoldingsALSN -1.31%96 Cyclically Adjusted PB Ratio is 10.69 as of Aug. 19, 2026, which is 64% above its 10-year median of 6.53. GuruFocus rates ALSN with a GF Score™ of 96/100 and a GF Value™ of $143.30 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 968 Vehicles & Parts companies, Allison Transmission Holdings ranks worse than 97.11% on this metric.
The historical rank and industry rank for Allison Transmission Holdings's Cyclically Adjusted PB Ratio or its related term are showing as below:
ALSN'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 4.27 Med: 6.53 Max: 13.15
Current: 10.7
During the past years, Allison Transmission Holdings's highest Cyclically Adjusted PB Ratio was 13.15. The lowest was 4.27. And the median was 6.53.
ALSN's Cyclically Adjusted PB Ratio is ranked worse than 97.11% of 968
companies
in the Vehicles & Parts industry
Industry Median: 1.27
vs ALSN: 10.70
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Allison Transmission Holdings's adjusted book value per share data for the three months ended in Jun. 2026 was $23.940. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $11.73 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Allison Transmission Holdings (NYSE:ALSN) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Allison Transmission Holdings Cyclically Adjusted PB Ratio Related Terms
Allison Transmission Holdings Cyclically Adjusted PB Ratio Historical Data
* 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.
Allison Transmission Holdings Cyclically Adjusted PB Ratio Chart
ALSN vs ALV, AUR, APTV: Cyclically Adjusted PB Ratio Comparison
For the Auto Parts subindustry, Allison Transmission Holdings's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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.
Allison Transmission Holdings Cyclically Adjusted PB Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Allison Transmission Holdings's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Allison Transmission Holdings's Cyclically Adjusted PB Ratio falls into.
Allison Transmission Holdings Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
* 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PB Ratio of 10.69 mean?
Allison Transmission Holdings (ALSN) has a Cyclically Adjusted PB Ratio of 10.69 as of Aug. 19, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Allison Transmission Holdings and its competitors. This is 64% above median its historical median of 6.53. Over the past decade, Allison Transmission Holdings' Cyclically Adjusted PB Ratio has ranged from 4.27 to 13.15. According to the industry distribution chart, Allison Transmission Holdings ranks #940 out of 968 companies in the Vehicles & Parts industry, placing it in the top 97.1%.
Is Allison Transmission Holdings' Cyclically Adjusted PB Ratio too high?
Allison Transmission Holdings' current Cyclically Adjusted PB Ratio of 10.69 is 64% above median its 10-year median of 6.53. Over the past 10 years, this metric has ranged from a low of 4.27 to a high of 13.15. The Vehicles & Parts industry median Cyclically Adjusted PB Ratio is 1.27. Allison Transmission Holdings' value of 10.69 is 741.7% above this industry median. Based on the distribution chart, Allison Transmission Holdings ranks #940 out of 968 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Allison Transmission Holdings has a GF Score™ of 96/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Allison Transmission Holdings' Cyclically Adjusted PB Ratio compare to ALV and AUR?
According to the Vehicles & Parts industry distribution chart, Allison Transmission Holdings ranks #940 out of 968 companies for Cyclically Adjusted PB Ratio. This places Allison Transmission Holdings in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.27. Allison Transmission Holdings' value of 10.69 is 741.7% above this benchmark. Historically, Allison Transmission Holdings' own Cyclically Adjusted PB Ratio has ranged from 4.27 to 13.15 over the past decade. While the company's 10-year median is 6.53 vs. the industry median of 1.27, Allison Transmission Holdings 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 Cyclically Adjusted PB Ratio for a Vehicles & Parts company?
The median Cyclically Adjusted PB Ratio among Vehicles & Parts companies is 1.27, based on 968 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Allison Transmission Holdings's current Cyclically Adjusted PB Ratio of 10.69 is 741.7% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Allison Transmission Holdings and its competitors. For the Vehicles & Parts industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Allison Transmission Holdings's current Cyclically Adjusted PB Ratio is 10.69, which is 64% above median its own 10-year median of 6.53. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Allison Transmission Holdings stock overvalued right now?
Based on GuruFocus' analysis, Allison Transmission Holdings (ALSN) is currently considered Modestly Undervalued. The stock's GF Value™ is $143.30, compared to a current price of $125.45 — trading 12.5% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 10.69, which is 64% above median its 10-year median of 6.53 and 741.7% above the Vehicles & Parts industry median of 1.27. Allison Transmission Holdings' overall GF Score™ is 96/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Allison Transmission Holdings (ALSN), the current Cyclically Adjusted PB Ratio is 10.69 as of Aug. 19, 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 Allison Transmission Holdings (ALSN) Overvalued in 2026?
Based on GuruFocus' analysis, Allison Transmission Holdings stock appears to be undervalued.
The current stock price of $125.45 is trading 12.5% below its estimated GF Value™ of $143.30.
GuruFocus considers Allison Transmission Holdings to be Modestly Undervalued.
Key valuation signals for ALSN:
Cyclically Adjusted PB Ratio: 10.69 (64% above median its 10-year median of 6.53)
GF Value™: $143.30 vs. price of $125.45 (12.5% below fair value)
Industry Position: 741.7% above the Vehicles & Parts median (#940 of 968)
No single metric tells the full story. See the ALSN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Allison Transmission is the largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles. Its automatic transmissions allow customers to achieve better fuel and operator efficiency than less expensive manual and automated manual transmissions. Allison serves several end markets, including on- and off-highway equipment and military vehicles. Its on-highway business commands approximately 60% global market share. The company's transmissions can be found in Class 4-8 trucks, buses, and a limited number of large passenger vehicles (heavy-duty pickup trucks and motorhomes). Allison also produces commercial hybrid propulsion systems and is developing fully electric powertrains.
96GF Score
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