Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
During the past 12 months, Custom Truck One Source's average Book Value per Share Growth Rate was 2.90% per year.
During the past 3 years, the average Book Value per Share Growth Rate was -0.40% 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 average Book Value per Share growth rate.
During the past 9 years, the highest 3-Year average Book Value per Share Growth Rate of Custom Truck One Source was 2.00% per year. The lowest was -23.70% per year. And the median was -0.40% per year.
Custom Truck One Source (NYSE:CTOS) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Custom Truck One Source 3-Year Book Growth Rate Related Terms
CTOS vs VSTS, MGRC, LIME: 3-Year Book Growth Rate Comparison
For the Rental & Leasing Services subindustry, Custom Truck One Source's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.
Custom Truck One Source 3-Year Book Growth Rate vs Business Services Industry
For the Business Services industry and Industrials sector, Custom Truck One Source's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Custom Truck One Source's 3-Year Book Growth Rate falls into.
Custom Truck One Source 3-Year Book Growth Rate Calculation
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
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 average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of -0.40% mean?
Custom Truck One Source (CTOS) has a 3-Year Book Growth Rate of -0.40% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Custom Truck One Source and its competitors. According to the industry distribution chart, Custom Truck One Source ranks #707 out of 995 companies in the Business Services industry, placing it in the top 71.1%.
Is Custom Truck One Source's 3-Year Book Growth Rate too high?
Custom Truck One Source's current 3-Year Book Growth Rate is -0.40%. Based on the distribution chart, Custom Truck One Source ranks #707 out of 995 companies in the Business Services industry, which is below the industry midpoint. Overall, Custom Truck One Source has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Custom Truck One Source's 3-Year Book Growth Rate compare to VSTS and MGRC?
According to the Business Services industry distribution chart, Custom Truck One Source ranks #707 out of 995 companies for 3-Year Book Growth Rate. This places Custom Truck One Source in the lower half of its industry. The industry median 3-Year Book Growth Rate is 5.30. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a Business Services company?
The median 3-Year Book Growth Rate among Business Services companies is 5.30, based on 995 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Custom Truck One Source and its competitors. For the Business Services industry, the median 3-Year Book Growth Rate is 5.30 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Custom Truck One Source's current 3-Year Book Growth Rate is -0.40%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Custom Truck One Source stock overvalued right now?
Based on GuruFocus' analysis, Custom Truck One Source (CTOS) is currently considered Significantly Overvalued. The stock's GF Value™ is $6.46, compared to a current price of $11.06 — trading 71.2% above its estimated fair value. The current 3-Year Book Growth Rate is -0.40%. Custom Truck One Source's overall GF Score™ is 74/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Custom Truck One Source (CTOS), the current 3-Year Book Growth Rate is -0.40% 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 Custom Truck One Source (CTOS) Overvalued in 2026?
Based on GuruFocus' analysis, Custom Truck One Source stock appears to be overvalued.
The current stock price of $11.06 is trading 71.2% above its estimated GF Value™ of $6.46.
GuruFocus considers Custom Truck One Source to be Significantly Overvalued.
Key valuation signals for CTOS:
3-Year Book Growth Rate: -0.40%
GF Value™: $6.46 vs. price of $11.06 (71.2% above fair value)
No single metric tells the full story. See the CTOS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Custom Truck One Source Inc is a one-stop-shop provider of specialty equipment in the electric utility transmission and distribution, forestry, telecom, waste management, rail, and infrastructure end-markets in North America. The company's segment includes Equipment Rental Solutions (ERS), Truck and Equipment Sales (TES), and Aftermarket Parts and Services (APS). It generates maximum revenue from the TES segment. Geographically, it derives a majority revenue from the United States.
74GF Score
Get the complete analysis for CTOS
3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
CTOS has been successfully added to your 
