Proto Labs (WBO:PRLB) Financial Strength: 9 (As of Jun. 2026) — 13% Above Median

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Founder & CEO of GuruFocus
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.

WBO:PRLB Proto Labs Inc WBO:PRLB
62 GF Score
Price €78.70
GF Value €40.05
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Proto Labs Financial Strength?

Proto Labs WBO:PRLB -0.32% 62 Financial Strength is 9 as of Jun. 2026, which is 13% above its 10-year median of 8.00. GuruFocus rates WBO:PRLB with a GF Score™ of 62/100 and a GF Value™ of €40.05 (Significantly Overvalued). The stock has 7 warning signs investors should review.

Proto Labs has the Financial Strength Rank of 9. It shows strong financial strength and is unlikely to fall into distressed situations.

Good Sign:

Proto Labs Inc shows strong financial strength.

GuruFocus Financial Strength Rank measures how strong a company's financial situation is. It is rated on a scale of 1 to 10 and is based on these factors:

1. The debt burden that the company has as measured by its Interest Coverage (current year). The higher, the better.
2. Debt to revenue ratio. The lower, the better.
3. Altman Z-Score.
4. Other debt related ratios.

A higher score indicates a stronger financial position, with companies rated 7 or above considered financially stable and unlikely to face distress. Conversely, a score of 3 or below suggests potential financial difficulties, indicating a higher risk of distress.

GuruFocus does not calculate Proto Labs's interest coverage with the available data. Proto Labs's debt to revenue ratio for the quarter that ended in Jun. 2026 was 0.00. As of today, Proto Labs's Altman Z-Score is 14.72.


Proto Labs  (WBO:PRLB) Financial Strength Explanation

The rank is rated on a scale of 1 to 10. A higher score indicates a stronger financial position, with companies rated 7 or above considered financially stable and unlikely to face distress. Conversely, a score of 3 or below suggests potential financial difficulties, indicating a higher risk of distress.

Proto Labs has the Financial Strength Rank of 9. It shows strong financial strength and is unlikely to fall into distressed situations.


Proto Labs Financial Strength Related Terms


WBO:PRLB vs RYZ, WOR, MEC: Financial Strength Comparison

For the Metal Fabrication subindustry, Proto Labs's Financial Strength, along with its competitors' market caps and Financial Strength 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 Financial Strength vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Proto Labs's Financial Strength distribution charts can be found below:

* The bar in red indicates where Proto Labs's Financial Strength falls into.


WBO:PRLB
62GF Score
Proto Labs Inc WBO:PRLB
Financial Strength is just one metric. See GF Score™, valuation, warning signs, and more.
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Proto Labs Financial Strength Calculation

GuruFocus Financial Strength Rank measures how strong a company's financial situation is. It is based on these factors

A company ranks high with financial strength is likely to withstand any business slowdowns and recessions.

1. The debt burden that the company has as measured by its Interest Coverage (current year). The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:

Proto Labs's Interest Expense for the months ended in Jun. 2026 was €0.0 Mil. Its Operating Income for the months ended in Jun. 2026 was €11.5 Mil. And its Long-Term Debt & Capital Lease Obligation for the quarter that ended in Jun. 2026 was €1.0 Mil.

Proto Labs's Interest Coverage for the quarter that ended in Jun. 2026 is

GuruFocus does not calculate Proto Labs's interest coverage with the available data.

The higher the ratio, the stronger the company's financial strength is.

Good Sign:

Ben Graham prefers companies' interest coverage to be at least 5. Proto Labs Inc has enough cash to cover all of its debt. Its financial situation is stable.

2. Debt to revenue ratio. The lower, the better.

Proto Labs's Debt to Revenue Ratio for the quarter that ended in Jun. 2026 is

Debt to Revenue Ratio=Total Debt (Q: Jun. 2026 ) / Revenue
=(Short-Term Debt & Capital Lease Obligation + Long-Term Debt & Capital Lease Obligation) / Revenue
=(0.917 + 1.029) / 518.512
=0.00

3. Altman Z-Score.

Z-Score model is an accurate forecaster of failure up to two years prior to distress. It can be considered the assessment of the distress of industrial corporations.

The zones of discrimination were as such:

When Z-Score is less than 1.81, it is in Distress Zones.
When Z-Score is greater than 2.99, it is in Safe Zones.
When Z-Score is between 1.81 and 2.99, it is in Grey Zones.

Proto Labs has a Z-score of 14.72, indicating it is in Safe Zones. This implies the Z-Score is strong.

Good Sign:

Altman Z-score of 14.72 is strong.

* 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.

Frequently Asked Questions Learn more about Financial Strength →
What does a Financial Strength of 9 mean?
Proto Labs (WBO:PRLB) has a Financial Strength of 9 as of Jun. 2026. The financial strength rank measures the strength of a company's balance sheet based on revenue and debt. View historical data on Proto Labs and its competitors. This is 13% above median its historical median of 8.00. Over the past decade, Proto Labs' Financial Strength has ranged from 2.00 to 10.00.
Is Proto Labs' Financial Strength too high?
Proto Labs' current Financial Strength of 9 is 13% above median its 10-year median of 8.00. Over the past 10 years, this metric has ranged from a low of 2.00 to a high of 10.00. Overall, Proto Labs has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Proto Labs' Financial Strength compare to RYZ and WOR?
Proto Labs' Financial Strength of 9 can be compared against companies in the Industrial Products industry. Historically, Proto Labs' own Financial Strength has ranged from 2.00 to 10.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Financial Strength for an Industrial Products company?
A good Financial Strength depends on the Industrial Products industry context. However, Financial Strength 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 Financial Strength mean?
A high Financial Strength can signal that a stock is expensive relative to its fundamentals. The financial strength rank measures the strength of a company's balance sheet based on revenue and debt. View historical data on Proto Labs and its competitors. Proto Labs's current Financial Strength is 9, which is 13% above median its own 10-year median of 8.00. 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 €40.05, compared to a current price of €78.70 — trading 96.5% above its estimated fair value. The current Financial Strength is 9, which is 13% above median its 10-year median of 8.00. Proto Labs' overall GF Score™ is 62/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Financial Strength calculated?
Financial Strength is calculated from a company's financial statements. For Proto Labs (WBO:PRLB), the current Financial Strength is 9 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 Proto Labs (WBO:PRLB) Overvalued in 2026?

Based on GuruFocus' analysis, Proto Labs stock appears to be overvalued. The current stock price of €78.70 is trading 96.5% above its estimated GF Value™ of €40.05. GuruFocus considers Proto Labs to be Significantly Overvalued.

Key valuation signals for WBO:PRLB:

  • Financial Strength: 9 (13% above median its 10-year median of 8.00)
  • GF Value™: €40.05 vs. price of €78.70 (96.5% above fair value)
  • GF Score™: 62/100 with 7 warning signs

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 Business Description

Other Exchanges PRLB:USA0KRR:UKPRZ:Germany
Address 5540 Pioneer Creek Drive, Maple Plain, MN, USA, 55359
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.
62GF Score

Get the complete analysis for WBO:PRLB

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

€78.70
Price
€40.05
GF Value