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Dorman ProductsSTU:RAB +3.36%88 Cyclically Adjusted PB Ratio is 4.00 as of Aug. 06, 2026, which is 20% below its 10-year median of 5.01. GuruFocus rates STU:RAB with a GF Score™ of 88/100 and a GF Value™ of €111.74. The stock has 1 warning sign investors should review. Among 1,013 Vehicles & Parts companies, Dorman Products ranks worse than 84.8% on this metric.
The historical rank and industry rank for Dorman Products's Cyclically Adjusted PB Ratio or its related term are showing as below:
STU:RAB'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.6 Med: 5.01 Max: 8.28
Current: 4.01
During the past years, Dorman Products's highest Cyclically Adjusted PB Ratio was 8.28. The lowest was 2.60. And the median was 5.01.
STU:RAB's Cyclically Adjusted PB Ratio is ranked worse than 84.8% of 1013
companies
in the Vehicles & Parts industry
Industry Median: 1.26
vs STU:RAB: 4.01
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.
Dorman Products's adjusted book value per share data for the three months ended in Jun. 2026 was €44.329. 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 €30.77 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Dorman Products (STU:RAB) 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.
Dorman Products Cyclically Adjusted PB Ratio Related Terms
Dorman Products Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Dorman Products's Cyclically Adjusted PB Ratio 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.
Dorman Products Cyclically Adjusted PB Ratio Chart
STU:RAB vs ATMU, AAP, GNTX: Cyclically Adjusted PB Ratio Comparison
For the Auto Parts subindustry, Dorman Products'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.
Dorman Products Cyclically Adjusted PB Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Dorman Products's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Dorman Products's Cyclically Adjusted PB Ratio falls into.
Dorman Products 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.
Dorman Products's Cyclically Adjusted PB Ratio for today is calculated as
* 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 4.00 mean?
Dorman Products (STU:RAB) has a Cyclically Adjusted PB Ratio of 4.00 as of Aug. 06, 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 Dorman Products and its competitors. This is 20% below median its historical median of 5.01. Over the past decade, Dorman Products' Cyclically Adjusted PB Ratio has ranged from 2.60 to 8.28. According to the industry distribution chart, Dorman Products ranks #859 out of 1013 companies in the Vehicles & Parts industry, placing it in the top 84.8%.
Is Dorman Products' Cyclically Adjusted PB Ratio too high?
Dorman Products' current Cyclically Adjusted PB Ratio of 4.00 is 20% below median its 10-year median of 5.01. Over the past 10 years, this metric has ranged from a low of 2.60 to a high of 8.28. The Vehicles & Parts industry median Cyclically Adjusted PB Ratio is 1.26. Dorman Products' value of 4.00 is 217.5% above this industry median. Based on the distribution chart, Dorman Products ranks #859 out of 1013 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Dorman Products has a GF Score™ of 88/100, reflecting its overall financial health beyond just this single metric.
How does Dorman Products' Cyclically Adjusted PB Ratio compare to ATMU and AAP?
According to the Vehicles & Parts industry distribution chart, Dorman Products ranks #859 out of 1013 companies for Cyclically Adjusted PB Ratio. This places Dorman Products in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.26. Dorman Products' value of 4.00 is 217.5% above this benchmark. Historically, Dorman Products' own Cyclically Adjusted PB Ratio has ranged from 2.60 to 8.28 over the past decade. While the company's 10-year median is 5.01 vs. the industry median of 1.26, Dorman Products 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 1.26, based on 1,013 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. Dorman Products's current Cyclically Adjusted PB Ratio of 4.00 is 217.5% 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 Dorman Products and its competitors. For the Vehicles & Parts industry, the median Cyclically Adjusted PB Ratio is 1.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Dorman Products's current Cyclically Adjusted PB Ratio is 4.00, which is 20% below median its own 10-year median of 5.01. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Dorman Products stock overvalued right now?
Dorman Products (STU:RAB) has a current Cyclically Adjusted PB Ratio of 4.00. The stock's GF Value™ is €111.74, compared to a current price of €123.00 — trading 10.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.00, which is 20% below median its 10-year median of 5.01 and 217.5% above the Vehicles & Parts industry median of 1.26. Dorman Products' overall GF Score™ is 88/100 with 1 warning sign 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 Dorman Products (STU:RAB), the current Cyclically Adjusted PB Ratio is 4.00 as of Aug. 06, 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 Dorman Products (STU:RAB) Overvalued in 2026?
Based on GuruFocus' analysis, Dorman Products stock appears to be overvalued.
The current stock price of €123.00 is trading 10.1% above its estimated GF Value™ of €111.74.
Key valuation signals for STU:RAB:
Cyclically Adjusted PB Ratio: 4.00 (20% below median its 10-year median of 5.01)
GF Value™: €111.74 vs. price of €123.00 (10.1% above fair value)
Industry Position: 217.5% above the Vehicles & Parts median (#859 of 1013)
No single metric tells the full story. See the STU:RAB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Dorman Products Inc is a supplier of original equipment parts for automobiles. It offers automotive and heavy-duty replacement parts, automotive hardware, brake parts, and fasteners for the automotive and heavy-duty aftermarket. The products are sold under the Dorman brand and its sub-brands OE Solutions, Help!, Conduct-Tite, Super ATV, etc., through aftermarket retailers, warehouse distributors, specialty markets, and salvage yards. The company operates through three business segments, which include Light Duty, Heavy Duty, and Specialty Vehicle. A majority of its revenue is generated from the Light Duty segment, which designs and markets replacement parts and fasteners mainly for passenger cars and light trucks. Geographically, it derives key revenue from the United States.
88GF Score
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