Proto Labs (STU:PRZ) Interest Coverage: N/A (As of Mar. 2026)


STU:PRZ Proto Labs Inc STU:PRZ
71 GF Score
Price €64.80
GF Value €38.20
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Proto Labs Interest Coverage?

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 by its Interest Expense. Proto Labs's Operating Income for the three months ended in Mar. 2026 was €9.7 Mil. Proto Labs's Interest Expense for the three months ended in Mar. 2026 was €0.0 Mil. GuruFocus does not calculate '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.

The historical rank and industry rank for Proto Labs's Interest Coverage or its related term are showing as below:


STU:PRZ's Interest Coverage is not ranked *
in the Industrial Products industry.
Industry Median: 14.72
* Ranked among companies with meaningful Interest Coverage only.

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

Proto Labs  (STU:PRZ) Interest Coverage Explanation

Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.

Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .

Proto Labs Interest Coverage Related Terms

Proto Labs Interest Coverage Historical Data

* Premium members only.

The historical data trend for Proto Labs's Interest Coverage 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.

Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.

Proto Labs Interest Coverage Chart

Proto Labs Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Coverage
Get a 7-Day Free Trial Premium Member Only Premium Member Only N/A N/A N/A N/A N/A

Proto Labs Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Interest Coverage 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 N/A N/A N/A N/A N/A

STU:PRZ vs RYZ, WOR, MEC: Interest Coverage Comparison

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

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

* The bar in red indicates where Proto Labs's Interest Coverage falls into.


STU:PRZ
71GF Score
Proto Labs Inc STU:PRZ
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
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Proto Labs Interest Coverage Calculation

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:

If Interest Expense is negative and Operating Income is positive, then

Interest Coverage=-1* Operating Income /Interest Expense

Else if Interest Expense is negative and Operating Income is negative, then

The company did not have earnings to cover the interest expense.

Else if Interest Expense is 0 and Long-Term Debt & Capital Lease Obligation is 0, then

The company had no debt (1).


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

Proto Labs's Interest Coverage for the fiscal year that ended in Dec. 2025 is calculated as

Here, for the fiscal year that ended in Dec. 2025, Proto Labs's Interest Expense was €0.0 Mil. Its Operating Income was €22.4 Mil. And its Long-Term Debt & Capital Lease Obligation was €1.4 Mil.

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

Proto Labs's Interest Coverage for the quarter that ended in Mar. 2026 is calculated as

Here, for the three months ended in Mar. 2026, Proto Labs's Interest Expense was €0.0 Mil. Its Operating Income was €9.7 Mil. And its Long-Term Debt & Capital Lease Obligation was €1.2 Mil.

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

* 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.

The higher the ratio, the stronger the company's Financial Strength is.

Is Proto Labs (STU:PRZ) Overvalued in 2026?

Based on GuruFocus' analysis, Proto Labs stock appears to be overvalued. The current stock price of €64.80 is trading 69.6% above its estimated GF Value™ of €38.20. GuruFocus considers Proto Labs to be Significantly Overvalued.

Key valuation signals for STU:PRZ:

  • Interest Coverage: N/A
  • GF Value™: €38.20 vs. price of €64.80 (69.6% above fair value)
  • GF Score™: 71/100 with 7 warning signs

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

Proto Labs Business Description

Other Exchanges PRLB:USA0KRR:UKPRLB:Austria
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.
71GF Score

Get the complete analysis for STU:PRZ

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

€64.80
Price
€38.20
GF Value