DORM (Dorman Products) Cyclically Adjusted PB Ratio: 3.87 (As of Aug. 15, 2026) — 22% Below Median

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DORM Dorman Products Inc DORM
90 GF Score
Price $136.40
GF Value $128.05
Valuation Fairly Valued
! 2 Warning Signs
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What is Dorman Products Cyclically Adjusted PB Ratio?

Dorman Products DORM +2.49% 90 Cyclically Adjusted PB Ratio is 3.87 as of Aug. 15, 2026, which is 22% below its 10-year median of 4.99. GuruFocus rates DORM with a GF Score™ of 90/100 and a GF Value™ of $128.05 (Fairly Valued). The stock has 2 warning signs investors should review. Among 982 Vehicles & Parts companies, Dorman Products ranks worse than 83.6% on this metric.

As of today (2026-08-15), Dorman Products's current share price is $136.40. Dorman Products's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $35.28. Dorman Products's Cyclically Adjusted PB Ratio for today is 3.87.

The historical rank and industry rank for Dorman Products's Cyclically Adjusted PB Ratio or its related term are showing as below:

DORM' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.6   Med: 4.99   Max: 8.28
Current: 3.87

During the past years, Dorman Products's highest Cyclically Adjusted PB Ratio was 8.28. The lowest was 2.60. And the median was 4.99.

DORM's Cyclically Adjusted PB Ratio is ranked worse than
83.6% of 982 companies
in the Vehicles & Parts industry
Industry Median: 1.26 vs DORM: 3.87

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 $51.070. 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 $35.28 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Dorman Products  (NAS:DORM) 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

Dorman Products Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 5.64 3.47 3.18 4.41 3.75

Dorman Products Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio 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 3.92 4.84 3.75 3.05 3.87

DORM 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.


DORM
90GF Score
Dorman Products Inc DORM
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=136.40/35.28
=3.87

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Dorman Products's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=51.07/333.9520*333.9520
=51.070

Current CPI (Jun. 2026) = 333.9520.

Dorman Products Quarterly Data

Book Value per Share CPI Adj_Book
201609 16.732 241.428 23.144
201612 17.430 241.432 24.109
201703 17.997 243.801 24.652
201706 18.294 244.955 24.941
201709 18.582 246.819 25.142
201712 18.909 246.524 25.615
201803 19.614 249.554 26.247
201806 20.286 251.989 26.884
201809 21.181 252.439 28.020
201812 22.046 251.233 29.305
201903 22.516 254.202 29.580
201906 22.889 256.143 29.842
201909 23.563 256.759 30.647
201912 23.760 256.974 30.877
202003 24.399 258.115 31.568
202006 24.881 257.797 32.231
202009 25.735 260.280 33.019
202012 26.534 260.474 34.019
202103 27.519 264.877 34.695
202106 28.000 271.696 34.416
202109 28.571 274.310 34.783
202112 29.509 278.802 35.346
202203 30.476 287.504 35.400
202206 31.534 296.311 35.540
202209 32.498 296.808 36.565
202212 33.172 296.797 37.325
202303 33.339 301.836 36.886
202306 34.492 305.109 37.753
202309 35.827 307.789 38.872
202312 37.323 306.746 40.633
202403 37.872 312.332 40.494
202406 39.047 314.175 41.505
202409 40.456 315.301 42.849
202412 42.317 315.605 44.777
202503 43.793 319.799 45.731
202506 45.857 322.561 47.476
202509 48.511 324.800 49.878
202512 48.601 324.054 50.085
202603 48.838 330.213 49.391
202606 51.070 333.952 51.070

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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 3.87 mean?
Dorman Products (DORM) has a Cyclically Adjusted PB Ratio of 3.87 as of Aug. 15, 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 22% below median its historical median of 4.99. 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 #821 out of 982 companies in the Vehicles & Parts industry, placing it in the top 83.6%.
Is Dorman Products' Cyclically Adjusted PB Ratio too high?
Dorman Products' current Cyclically Adjusted PB Ratio of 3.87 is 22% below median its 10-year median of 4.99. 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 3.87 is 207.1% above this industry median. Based on the distribution chart, Dorman Products ranks #821 out of 982 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Dorman Products has a GF Score™ of 90/100 and is considered Fairly Valued, 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 #821 out of 982 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 3.87 is 207.1% 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 4.99 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 982 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 3.87 is 207.1% 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 3.87, which is 22% below median its own 10-year median of 4.99. 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?
Based on GuruFocus' analysis, Dorman Products (DORM) is currently considered Fairly Valued. The stock's GF Value™ is $128.05, compared to a current price of $136.40 — trading 6.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.87, which is 22% below median its 10-year median of 4.99 and 207.1% above the Vehicles & Parts industry median of 1.26. Dorman Products' overall GF Score™ is 90/100 with 2 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 Dorman Products (DORM), the current Cyclically Adjusted PB Ratio is 3.87 as of Aug. 15, 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 (DORM) Overvalued in 2026?

Based on GuruFocus' analysis, Dorman Products stock appears to be overvalued. The current stock price of $136.40 is trading 6.5% above its estimated GF Value™ of $128.05. GuruFocus considers Dorman Products to be Fairly Valued.

Key valuation signals for DORM:

  • Cyclically Adjusted PB Ratio: 3.87 (22% below median its 10-year median of 4.99)
  • GF Value™: $128.05 vs. price of $136.40 (6.5% above fair value)
  • GF Score™: 90/100 with 2 warning signs
  • Industry Position: 207.1% above the Vehicles & Parts median (#821 of 982)

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


Dorman Products Business Description

Other Exchanges RAB:Germany
Address 3400 East Walnut Street, Colmar, PA, USA, 18915
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.
90GF Score

Get the complete analysis for DORM

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$136.40
Price
$128.05
GF Value