DORM (Dorman Products) Cyclically Adjusted Book per Share: $35.28 (As of Jun. 2026)

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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 Book per Share?

Dorman Products DORM +2.49% 90 Cyclically Adjusted Book per Share is $35.28 as of Jun. 2026. 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.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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 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.

During the past 12 months, Dorman Products's average Cyclically Adjusted Book Growth Rate was 12.70% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 12.10% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 14.00% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 14.70% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Dorman Products was 15.80% per year. The lowest was 8.30% per year. And the median was 13.40% per year.

As of today (2026-08-15), Dorman Products's current stock 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 of today is 3.87.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Dorman Products was 8.28. The lowest was 2.60. And the median was 4.99.


Dorman Products  (NAS:DORM) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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 Cyclically Adjusted PB Ratio of 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Dorman Products was 8.28. The lowest was 2.60. And the median was 4.99.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Dorman Products Cyclically Adjusted Book per Share Related Terms


Dorman Products Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Dorman Products's Cyclically Adjusted Book per Share 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 Book per Share Chart

Dorman Products Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 20.02 23.30 26.24 29.35 32.86

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 Book per Share 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 31.30 32.23 32.86 34.17 35.28

DORM vs ATMU, AAP, GNTX: Cyclically Adjusted Book per Share 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 Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
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Dorman Products Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

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.

What does a Cyclically Adjusted Book per Share of $35.28 mean?
Dorman Products (DORM) has a Cyclically Adjusted Book per Share of $35.28 as of Jun. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Dorman Products and its competitors.
Is Dorman Products' Cyclically Adjusted Book per Share too high?
Dorman Products' current Cyclically Adjusted Book per Share is $35.28. 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 Book per Share compare to ATMU and AAP?
Dorman Products' Cyclically Adjusted Book per Share of $35.28 can be compared against companies in the Vehicles & Parts industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Vehicles & Parts company?
A good Cyclically Adjusted Book per Share depends on the Vehicles & Parts industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Dorman Products and its competitors. Dorman Products's current Cyclically Adjusted Book per Share is $35.28. 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 Book per Share is $35.28. 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 Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Dorman Products (DORM), the current Cyclically Adjusted Book per Share is $35.28 as of Jun. 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 Book per Share: $35.28
  • GF Value™: $128.05 vs. price of $136.40 (6.5% above fair value)
  • GF Score™: 90/100 with 2 warning signs

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 Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$136.40
Price
$128.05
GF Value