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Proto LabsWBO:PRLB +1.61%60 Debt-to-Equity is 0.00 as of Mar. 2026. GuruFocus rates WBO:PRLB with a GF Score™ of 60/100 and a GF Value™ of €38.16 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 2,682 Industrial Products companies, Proto Labs ranks worse than 37285.57% on this metric.
A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.
The historical rank and industry rank for Proto Labs's Debt-to-Equity or its related term are showing as below:
During the past 13 years, the highest Debt-to-Equity Ratio of Proto Labs was 0.03. The lowest was 0.00. And the median was 0.01.
WBO:PRLB's Debt-to-Equity is not ranked *
in the Industrial Products industry.
Industry Median: 0.28 * Ranked among companies with meaningful Debt-to-Equity only.
Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.
Proto Labs Debt-to-Equity Related Terms
Proto Labs Debt-to-Equity Historical Data
* Premium members only.
The historical data trend for Proto Labs's Debt-to-Equity 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.
WBO:PRLB vs RYZ, WOR, MEC: Debt-to-Equity Comparison
For the Metal Fabrication subindustry, Proto Labs's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity 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.
Proto Labs Debt-to-Equity vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Proto Labs's Debt-to-Equity distribution charts can be found below:
* The bar in red indicates where Proto Labs's Debt-to-Equity falls into.
* 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.
Proto Labs (WBO:PRLB) has a Debt-to-Equity of 0.00 as of Mar. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Proto Labs and its competitors. According to the industry distribution chart, Proto Labs ranks #999999 out of 2682 companies in the Industrial Products industry.
Is Proto Labs' Debt-to-Equity too high?
Proto Labs' current Debt-to-Equity is 0.00. Based on the distribution chart, Proto Labs ranks #999999 out of 2682 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Proto Labs has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Proto Labs' Debt-to-Equity compare to RYZ and WOR?
According to the Industrial Products industry distribution chart, Proto Labs ranks #999999 out of 2682 companies for Debt-to-Equity. This places Proto Labs in the lower half of its industry. The industry median Debt-to-Equity is 0.28. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for an Industrial Products company?
The median Debt-to-Equity among Industrial Products companies is 0.28, based on 2,682 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity 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 Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Proto Labs and its competitors. For the Industrial Products industry, the median Debt-to-Equity is 0.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Proto Labs's current Debt-to-Equity is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Proto Labs stock overvalued right now?
Based on GuruFocus' analysis, Proto Labs (WBO:PRLB) is currently considered Significantly Overvalued. The stock's GF Value™ is €38.16, compared to a current price of €69.60 — trading 82.4% above its estimated fair value. The current Debt-to-Equity is 0.00. Proto Labs' overall GF Score™ is 60/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For Proto Labs (WBO:PRLB), the current Debt-to-Equity is 0.00 as of Mar. 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 Proto Labs (WBO:PRLB) Overvalued in 2026?
Based on GuruFocus' analysis, Proto Labs stock appears to be overvalued.
The current stock price of €69.60 is trading 82.4% above its estimated GF Value™ of €38.16.
GuruFocus considers Proto Labs to be Significantly Overvalued.
Key valuation signals for WBO:PRLB:
Debt-to-Equity: 0.00
GF Value™: €38.16 vs. price of €69.60 (82.4% above fair value)
No single metric tells the full story. See the WBO:PRLB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. The Lab uses injection molding, computer numerical control machining, and 3-D printing, and sheet metal to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. Geographically, a majority of the company's revenue is derived from the United States and the rest from Europe.
60GF Score
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