LUD vs MEC vs ACA Stock Comparison

Luda Technology, Mayville Engineering Company and Arcosa Prices as of Oct 26, 2026 Peers: Industry group
ACA Arcosa, Inc.
$149.18 +1.7% 1M +61.6% 1Y
Market cap
$7.33B
P/E
14.9x
Revenue (TTM)
$2.74B
Div. yield
0.13%
Metal Fabrication Industrials
10 wins

Head to Head

11 decided of 12

Arcosa leads on 10 of the 12 questions below (Arcosa 10, Mayville Engineering Company 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionLUDMECACALeader
Larger companyMarket capitalisation $86.19M $316.25M $7.33B ACA
Cheaper on earningsLower P/E, profitable companies only 155.0x -18.3x 14.9x ACA
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 54.6x 33.6x ACA
Faster revenue growthRevenue growth, trailing twelve months — +11.8% +9.7% MEC
More profitableNet margin, trailing twelve months — -3.0% 17.9% ACA
Better return on capitalReturn on invested capital — -1.8% 6.5% ACA
Less leveragedLower net debt / EBITDA — 3.9x 1.8x ACA
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.13% –
Better 1-year returnPrice return, last 12 months -56.0% -20.7% +61.6% ACA
Better 5-year returnAnnualised price return, 5 years — -5.9%/yr +23.0%/yr ACA
Less volatileAnnualised volatility, 1 year 144.4% 54.6% 31.7% ACA
Higher overall scoreMean of the five percentile scores vs peers — 28/100 56/100 ACA

Percentile Scorecard

LUDMECACA

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisLUDMECACA
Valuation 18 #166 of 203 48 #106 of 203 49 #105 of 203
Growth – 11 #167 of 187 82 #34 of 187
Profitability – 23 #142 of 185 51 #91 of 185
Financial Health 40 #132 of 219 31 #151 of 219 58 #92 of 219
Shareholder Returns – – 41 #90 of 153
Overall – 28 56
  • LUD ranked among 222 companies in Machinery
  • MEC ranked among 222 companies in Machinery
  • ACA ranked among 222 companies in Machinery

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodLUDMECACASPY
1 month -3.0%-23.8%+1.7% -0.8%
3 months -10.8%-55.5%+2.9% +3.5%
6 months -28.8%-39.9%+24.1% +7.0%
Year to date -39.6%-30.0%+40.3% +12.2%
1 year -56.0%-20.7%+61.6% +13.0%
3 years —+22.1%+117.4% +86.3%
3 years, per year —+6.9%+29.6% +23.1%
5 years —-26.2%+181.9% +68.6%
5 years, per year —-5.9%+23.0% +11.0%

Risk

MeasureLUDMECACASPY
Volatility, 1Y 144.4%54.6%31.7% 12.7%
Downside volatility, 1Y 142.1%53.1%32.9% 12.7%
Beta vs S&P 500, 1Y 1.231.550.95 1.00
Return / volatility, 1Y -0.39-0.381.94 1.02
Max drawdown, 5Y -83.8%-66.7%-36.7% -25.4%
From 52-week high -67.3%-65.1%0.0% -1.8%
52-week high $11.85$37.54$149.18 $779.14
52-week low $3.20$12.73$92.25 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleLUDMECACA
P/E now vs peer median 155.0xmedian 26.0x -17.2xmedian 26.0x 14.9xmedian 26.0x
P/S now vs peer median 2.6xmedian 1.9x 0.6xmedian 1.9x 2.7xmedian 1.9x
EV/EBITDA now vs peer median —median 14.0x 14.5xmedian 14.0x 15.2xmedian 14.0x
P/FCF now vs peer median -40.6xmedian 21.4x -73.0xmedian 21.4x 54.9xmedian 21.4x
P/B now vs peer median 4.0xmedian 2.2x 1.0xmedian 2.2x 2.5xmedian 2.2x
PEG now vs peer median —median 1.26 0.36median 1.26 0.75median 1.26

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsLUDMECACA
Revenue – $586.34M $2.74B
Gross profit – $53.52M $632.30M
Operating income – -$12.80M $322.70M
Net income – -$17.30M $491.40M
Free cash flow – -$4.57M $133.40M
EPS (diluted) – $-0.76 $9.99
Cash & equivalents $4.77M $2.20M $432.10M
Total debt $49.69M $752.49M $1.44B
Shares (diluted) 22.24M 22.77M 49.20M
Enterprise value $40.54M $309.26M $6.31B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricLUDMECACA
P/E 155.0x -17.2x 14.9x
P/FCF -40.6x -73.0x 54.9x
P/Operating cash flow – 24.0x 21.5x
P/S 2.6x 0.6x 2.7x
P/B 4.0x 1.0x 2.5x
P/Tangible book 4.1x 1.5x 2.7x
EV/EBITDA – 14.5x 15.2x
EV/EBIT – -35.8x 25.8x
EV/Revenue – 0.8x 3.0x
EV/FCF – -100.1x 62.4x
EV/Operating cash flow – 32.8x 24.4x
PEG (3Y EPS CAGR) – 0.36 0.75

Growth

14 metrics
MetricLUDMECACA
Revenue growth (1Y) – 11.8% 9.7%
Revenue CAGR (3Y) – 2.4% 7.0%
Gross profit growth (1Y) – -5.8% 20.7%
Gross profit CAGR (3Y) – -4.2% 14.2%
Operating income growth (1Y) – -142.1% 61.3%
Operating income CAGR (3Y) – -37.8% -5.6%
Net income growth (1Y) – -196.8% 433.0%
Net income CAGR (3Y) – -49.1% 20.2%
EPS growth (1Y) – -188.0% 430.8%
EPS CAGR (3Y) – -47.4% 19.8%
Operating cash flow growth (1Y) – -82.4% -23.1%
Operating cash flow CAGR (3Y) – -23.3% 16.1%
Free cash flow growth (1Y) – -106.7% -54.9%
Free cash flow CAGR (3Y) – 16.0% 54.7%

Profitability

14 metrics
MetricLUDMECACA
Gross margin – 9.1% 23.0%
EBITDA margin – 5.4% 19.9%
Operating margin – -2.2% 11.8%
Pretax margin – -4.7% 8.4%
Net margin – -3.0% 17.9%
FCF margin – -0.8% 4.9%
Operating cash flow margin – 2.4% 12.4%
Return on equity – -6.2% 17.4%
Return on assets – -3.0% 9.5%
Return on invested capital – -1.8% 6.5%
Return on capital employed – -2.6% 6.9%
Asset turnover – 1.0x 0.5x
Cash conversion (OCF / net income) – -0.8x 0.7x
Stock comp / revenue – 0.6% 0.9%

Financial Health

11 metrics
MetricLUDMECACA
Debt / assets 25.8% 21.4% 27.1%
Debt / equity 0.6x 0.4x 0.5x
Net debt / EBITDA – 3.9x 1.8x
Debt / FCF – -27.5x 10.8x
Liabilities / assets 54.8% 44.7% 43.7%
Equity / assets 45.2% 55.3% 56.3%
Interest coverage – -0.9x 3.3x
Current ratio 1.6x 1.7x 3.1x
Quick ratio 1.0x 0.9x 2.2x
Cash ratio 0.4x 0.0x 1.0x
Altman Z-score – 1.92 3.18

Shareholder Returns

7 metrics
MetricLUDMECACA
Dividend yield – – 0.1%
Net buyback yield – – 0.2%
Shareholder yield – – 0.4%
Payout ratio (earnings) – – 2.0%
Payout ratio (FCF) – – 7.4%
Dividend growth (1Y) – – 1.0%
Dividend CAGR (3Y) – – 1.0%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusLUDMECACA
Forward P/E – 54.6xFY2026 33.6xFY2026
EPS, next fiscal year – $0.24FY2026 $4.44FY2026
EPS growth, next FY – -22.6%FY2026 -0.7%FY2026
EPS growth, the year after – +354.2% +7.0%
Revenue, next fiscal year – $666.72MFY2026 $2.45BFY2026
Revenue growth, next FY – +22.0%FY2026 -14.9%FY2026
Revenue growth, the year after – +4.5% +12.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersLUDMECACA
Held by institutions – 83.1% 91.8%
Institutions holding – 156 426
Change in shares held, QoQ – +47.1% -1.1%
Institutions buying – 98 230
Institutions selling – 40 114
Buyers to sellers – 2.45 2.02

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

LUDMECACA
LUD 1.00 -0.01 0.08
MEC -0.01 1.00 0.23
ACA 0.08 0.23 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, LUD, MEC and ACA?

Arcosa (ACA) is the largest by market capitalisation: Luda Technology (LUD) $86.19M, Mayville Engineering Company (MEC) $316.25M, Arcosa (ACA) $7.33B.

Which stock is cheaper, LUD, MEC and ACA?

Arcosa (ACA) trades on the lowest price-to-earnings ratio (Luda Technology (LUD) 155.0x, Mayville Engineering Company (MEC) -18.3x, Arcosa (ACA) 14.9x). On next year's consensus earnings, Arcosa (ACA) is cheapest (Mayville Engineering Company (MEC) 54.6x, Arcosa (ACA) 33.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Mayville Engineering Company (MEC) grew revenue fastest over the trailing twelve months: Mayville Engineering Company (MEC) +11.8%, Arcosa (ACA) +9.7%.

Which company is more profitable?

Arcosa (ACA) has the highest net margin (Mayville Engineering Company (MEC) -3.0%, Arcosa (ACA) 17.9%). On return on invested capital, Arcosa (ACA) leads (Mayville Engineering Company (MEC) -1.8%, Arcosa (ACA) 6.5%).

Which stock has performed better?

Over the past year Arcosa (ACA) returned the most: Luda Technology (LUD) -56.0%, Mayville Engineering Company (MEC) -20.7%, Arcosa (ACA) +61.6%. Over five years, Arcosa (ACA) compounded fastest (Mayville Engineering Company (MEC) -5.9%/yr, Arcosa (ACA) +23.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Luda Technology (LUD) 0.00%, Mayville Engineering Company (MEC) 0.00%, Arcosa (ACA) 0.13%. Luda Technology (LUD) and Mayville Engineering Company (MEC) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Arcosa (ACA) has been the steadiest (Luda Technology (LUD) 144.4%, Mayville Engineering Company (MEC) 54.6%, Arcosa (ACA) 31.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, LUD, MEC and ACA?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Arcosa (ACA) leads on 10. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.