Ducommun (STU:DUM) Tariff Resilience Score: 6/10 (As of Jul. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
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.

STU:DUM Ducommun Inc STU:DUM
67 GF Score
Price €147.80
GF Value €56.67
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Ducommun Tariff Resilience Score?

Ducommun STU:DUM +0.27% 67 Tariff Resilience Score is 6 as of Jul. 21, 2026. GuruFocus rates STU:DUM with a GF Score™ of 67/100 and a GF Value™ of €56.67 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 339 Aerospace & Defense companies, Ducommun ranks better than 91.74% on this metric.

Ducommun has the Tariff Resilience Score of 6, which implies that the company might have Average Resilient.

Ducommun has Ducommun Inc's aerospace and defense focus involves global supply chains, but government contracts often include tariff protections. Historical impacts have been mitigated by strategic sourcing and pricing adjustments.

Tariff Resilience Score is a ranking system developed by GuruFocus to measure a company's exposure to international trade tariffs, rated on a scale from 0 to 10. It takes into account key factors such as global supply chain dependencies, manufacturing locations versus sales markets, import / export balance and percentage of revenue, and more.

The company's exposure to international trade tariffs based on these criteria:

1. Global supply chain dependencies
2. Manufacturing locations versus sales markets
3. Import/export balance and percentage of revenue
4. Historical impact from previous tariff changes
5. Available mitigation strategies (alternative suppliers, pricing power)
6. Industry-specific tariff exemptions or vulnerabilities

Based on the research, GuruFocus believes Ducommun might have Average Resilient.

Ducommun  (STU:DUM) Tariff Resilience Score Explanation

The Tariff Resilience Score ranges from 0 to 10, with 10 as the most resilient. GuruFocus divided Moat Score into following 3 categories:

Tariff Resilience Score Resilience Level
7 - 10Highly Resilient
4 - 6Average Resilient
0 - 3Highly Vulnerable

Ducommun Tariff Resilience Score Related Terms

STU:DUM vs VVX, LUNR, RDW: Tariff Resilience Score Comparison

For the Aerospace & Defense subindustry, Ducommun's Tariff Resilience Score, along with its competitors' market caps and Tariff Resilience Score 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.

Ducommun Tariff Resilience Score vs Aerospace & Defense Industry

For the Aerospace & Defense industry and Industrials sector, Ducommun's Tariff Resilience Score distribution charts can be found below:

* The bar in red indicates where Ducommun's Tariff Resilience Score falls into.


STU:DUM
67GF Score
Ducommun Inc STU:DUM
Tariff Resilience Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis
What does a Tariff Resilience Score of 6 mean?
Ducommun (STU:DUM) has a Tariff Resilience Score of 6 as of Jul. 21, 2026. Tariff Score is a ranking system developed by GuruFocus to measure a company's exposure to international trade tariffs, rated on a scale from 0 to 10. It takes into account key factors such as global supply chain dependencies, manufacturing locations versus sales markets, import / export balance and percentage of revenue, and more. According to the industry distribution chart, Ducommun ranks #28 out of 339 companies in the Aerospace & Defense industry, placing it in the top 8.3%.
Is Ducommun's Tariff Resilience Score too high?
Ducommun's current Tariff Resilience Score is 6. Based on the distribution chart, Ducommun ranks #28 out of 339 companies in the Aerospace & Defense industry, which is in the top quartile — a strong position relative to peers. Overall, Ducommun has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ducommun's Tariff Resilience Score compare to VVX and LUNR?
According to the Aerospace & Defense industry distribution chart, Ducommun ranks #28 out of 339 companies for Tariff Resilience Score. This places Ducommun in the top 8% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tariff Resilience Score for an Aerospace & Defense company?
A good Tariff Resilience Score depends on the Aerospace & Defense industry context. However, Tariff Resilience Score 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 Tariff Resilience Score mean?
A high Tariff Resilience Score can signal that a stock is expensive relative to its fundamentals. Tariff Score is a ranking system developed by GuruFocus to measure a company's exposure to international trade tariffs, rated on a scale from 0 to 10. It takes into account key factors such as global supply chain dependencies, manufacturing locations versus sales markets, import / export balance and percentage of revenue, and more. Ducommun's current Tariff Resilience Score is 6. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ducommun stock overvalued right now?
Based on GuruFocus' analysis, Ducommun (STU:DUM) is currently considered Significantly Overvalued. The stock's GF Value™ is €56.67, compared to a current price of €147.80 — trading 160.8% above its estimated fair value. The current Tariff Resilience Score is 6. Ducommun's overall GF Score™ is 67/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tariff Resilience Score calculated?
Tariff Resilience Score is calculated from a company's financial statements. For Ducommun (STU:DUM), the current Tariff Resilience Score is 6 as of Jul. 21, 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 Ducommun (STU:DUM) Overvalued in 2026?

Based on GuruFocus' analysis, Ducommun stock appears to be overvalued. The current stock price of €147.80 is trading 160.8% above its estimated GF Value™ of €56.67. GuruFocus considers Ducommun to be Significantly Overvalued.

Key valuation signals for STU:DUM:

  • Tariff Resilience Score: 6
  • GF Value™: €56.67 vs. price of €147.80 (160.8% above fair value)
  • GF Score™: 67/100 with 6 warning signs

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

Ducommun Business Description

Other Exchanges DCO:USADUM:Germany
Address 600 Anton Boulevard, Suite 1100, Costa Mesa, CA, USA, 92626-7100
Ducommun Inc provides engineering & manufacturing services for high-performance products & high-cost-of failure applications used in the aerospace and defense, industrial, medical & other industries. The company's reportable segments are Structural Systems & Electronic Systems. Structural Systems designs, engineers, and manufactures various sizes of complex contoured aerostructure components and assemblies, and supplies composite and metal-bonded structures and assemblies. Electronic Systems designs, engineers and manufactures high-reliability electronic and electromechanical products used in technology-driven markets, including A&D and Industrial end-use markets. It generates a maximum of its revenue from the Electronic Systems.
67GF Score

Get the complete analysis for STU:DUM

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

€147.80
Price
€56.67
GF Value