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Ducommun Inc (DCO) stock analysis

DCONYSEAircraft Parts & Auxiliary Equipment, NECFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Oct 3, 2026Last filing: 10-Q on Nov 5, 2026Score 7/3046% above fair value
$145.19−0.39 (-0.27%)

Close on Nov 11, 2026Market cap $2.19BP/E 42.2Yield –

StockData Score

Prices as of Nov 11, 2026How the score works

Value0Growth1Performance2Health4Dividend0

Weak7 of 30 checks passed

Ducommun passes 7 of the 30 checks behind our score; 10 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.

Valuation
0/6
Growth
1/6
Past performance
2/6
Financial health
4/6
Dividend
0/6

What stands out

  • Low debt

    Debt is 35.2% of shareholders' equity, under the 40% we consider low.

  • Low bankruptcy risk

    The Altman Z-score is 4.31; above 3 is the safe zone and below 1.8 the distress zone.

  • Gross margin improving

    Gross margin was 27.8% over the last twelve months, against 25.9% a year earlier.

  • Net margin above its 5-year average

    Net margin was 6.1% over the last twelve months, against a 5-year average of 5.1%.

What to watch

  • Margin of safety under 20%

    The price is 46.0% above fair value, so there is no margin of safety.

  • Trading above fair value

    The share price of $145.19 is above our fair value estimate of $99.45.

  • Return on equity under 15%

    Return on equity was 7.9% over the last twelve months and averaged 8.0% over five years; we look for 15% on both.

  • Return on capital under 10%

    Return on invested capital was 7.8%, below the 10% that usually covers the cost of capital.

Valuation0/6
  • P/E above its 5-year median

    Ducommun's P/E of 42.2 is above its own 5-year median of 25.1.

  • P/E above the industry

    Ducommun's P/E of 42.2 is above the Aircraft and Parts median of 27.6.

  • EV/EBITDA above its 5-year median

    Ducommun's EV/EBITDA of 20.0 is above its 5-year median of 14.3.

  • P/B above the industry

    Ducommun's price-to-book of 3.07 is above the Aircraft and Parts median of 2.88.

  • Trading above fair value

    The share price of $145.19 is above our fair value estimate of $99.45.

  • Margin of safety under 20%

    The price is 46.0% above fair value, so there is no margin of safety.

Growth1/6
  • Revenue growing under 10% a year

    Revenue grew 5.0% a year over the last three fiscal years, short of the 10% we look for.

  • EPS growth over 3 years

    Needs positive EPS three years ago and today.

  • Earnings acceleration

    Needs positive net income now, a year ago and five years ago.

  • Growing slower than the industry

    Revenue grew 9.0% over the last twelve months; the Aircraft and Parts median is 16.9%.

  • Guidance issued

    The latest outlook (VISION 2027 Adjusted EBITDA, May 12, 2026) was issued for the first time, so it neither adds nor takes away points.

  • Gross margin improving

    Gross margin was 27.8% over the last twelve months, against 25.9% a year earlier.

Past performance2/6
  • Return on equity under 15%

    Return on equity was 7.9% over the last twelve months and averaged 8.0% over five years; we look for 15% on both.

  • Return on capital under 10%

    Return on invested capital was 7.8%, below the 10% that usually covers the cost of capital.

  • Return on equity below the industry

    Ducommun's return on equity of 7.9% is below the Aircraft and Parts median of 9.1%.

  • Earnings over 5 years

    Needs positive net income five years ago and in the latest year.

  • Net margin above its 5-year average

    Net margin was 6.1% over the last twelve months, against a 5-year average of 5.1%.

  • Net margin above the industry

    Ducommun's net margin of 6.1% is above the Aircraft and Parts median of 5.5%.

Financial health4/6
  • Low debt

    Debt is 35.2% of shareholders' equity, under the 40% we consider low.

  • Debt falling against equity

    Debt to equity fell from 97.4% five years ago to 35.2%.

  • Debt not well covered by cash flow

    Operating cash flow over the last twelve months equals 1.1% of total debt; we look for at least 20%.

  • Interest coverage

    Interest expense is not reported separately.

  • Short-term assets cover short-term debts

    Current assets are 3.04 times current liabilities.

  • Low bankruptcy risk

    The Altman Z-score is 4.31; above 3 is the safe zone and below 1.8 the distress zone.

Dividend0/6
  • No dividend

    Ducommun has not paid a dividend in the last twelve months.

  • Yield against Treasuries

    No dividend.

  • Yield against the market

    No dividend.

  • Dividend stability

    No dividend.

  • Earnings cover

    No dividend.

  • Cash-flow cover

    No dividend.

Scores of similar companies

Our estimate per share

$99.45

The share price is 46% above this estimate.

20%+ below
Near fair value
20%+ above
$145.19Price$99.45Fair value
MethodMultiple usedOwn 5Y medianIndustry medianValue per shareWeight
P/E26.4×25.1×27.6×$90.7247%
EV/EBITDA15.5×14.3×16.8×$109.4641%
P/B2.1×1.3×2.9×$99.3412%
Fair value$99.45100%

Valuation over time

Using the earnings and balance sheet published at each date, not today's.

  • P/E at month end
  • Own 5-year median 25.1
  • Aircraft and Parts median 27.6

An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.

Market risk

From the past year of daily prices.

Liquidity

Low risk

Average value traded per day
$28.70M
Value traded per 1% price move
$15.56M

Downside

Medium risk

Typical loss in a bad month
17.5%
Volatility (annualized)
43%
Sharpe ratio, 1 year
1.09
Beta to the S&P 500 (5Y)
0.91

Typical bad-month loss, week by week

25%: high

Margins

Share of revenue, fiscal years 2011 to 2025

Gross margin

26.9%+5.0 pts over 5 years

Operating margin

-4.3%−11.6 pts over 5 years

Net margin

-4.5%−9.2 pts over 5 years

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