AEIS vs FSS vs ETN Stock Comparison

Advanced Energy Industries, Federal Signal and Eaton Prices as of Nov 4, 2026 Peers: Industry group
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FSS Federal Signal Corp /De/
$117.93 +1.2% 1M +3.8% 1Y
Market cap
$7.20B
P/E
24.2x
Revenue (TTM)
$2.55B
Div. yield
0.50%
Heavy Equipment Industrials
5 wins
ETN Eaton Corp plc
$352.79 -18.4% 1M -6.6% 1Y
Market cap
$137.06B
P/E
35.2x
Revenue (TTM)
$31.98B
Div. yield
1.23%
Electrical Equipment Industrials
2 wins

Head to Head

12 decided of 12

Federal Signal leads on 5 of the 12 questions below (Federal Signal 5, Advanced Energy Industries 5, Eaton 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAEISFSSETNLeader
Larger companyMarket capitalisation $8.46B $7.20B $137.06B ETN
Cheaper on earningsLower P/E, profitable companies only 29.3x 24.2x 35.2x FSS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 19.7x 24.0x 25.4x AEIS
Faster revenue growthRevenue growth, trailing twelve months +31.7% +24.0% +20.1% AEIS
More profitableNet margin, trailing twelve months 12.7% 11.7% 12.2% AEIS
Better return on capitalReturn on invested capital 10.9% 16.0% 10.7% FSS
Less leveragedLower net debt / EBITDA -0.4x 0.7x 2.8x AEIS
Higher dividend yieldTrailing dividend yield 0.19% 0.50% 1.23% ETN
Better 1-year returnPrice return, last 12 months +8.5% +3.8% -6.6% AEIS
Better 5-year returnAnnualised price return, 5 years +17.3%/yr +20.6%/yr +15.6%/yr FSS
Less volatileAnnualised volatility, 1 year 67.3% 33.2% 42.8% FSS
Higher overall scoreMean of the five percentile scores vs peers 51/100 78/100 45/100 FSS

Percentile Scorecard

AEISFSSETN

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

AxisAEISFSSETN
Valuation 28 #147 of 204 58 #86 of 204 17 #169 of 204
Growth 85 #30 of 191 94 #13 of 191 73 #52 of 191
Profitability 61 #74 of 189 90 #20 of 189 73 #51 of 189
Financial Health 61 #86 of 221 78 #49 of 221 20 #177 of 221
Shareholder Returns 18 #130 of 159 69 #50 of 159 39 #97 of 159
Overall 51 78 45
  • AEIS ranked among 223 companies in Machinery
  • FSS ranked among 223 companies in Machinery
  • ETN ranked among 223 companies in Machinery

Price Performance

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

Returns

PeriodAEISFSSETNSPY
1 month -28.8%+1.2%-18.4% -1.0%
3 months -35.7%-9.5%-21.1% -0.4%
6 months -41.4%-5.4%-16.3% +4.5%
Year to date +1.0%+8.6%+10.8% +12.4%
1 year +8.5%+3.8%-6.6% +13.6%
3 years +130.6%+83.3%+64.2% +76.4%
3 years, per year +32.1%+22.4%+18.0% +20.8%
5 years +122.3%+154.7%+105.9% +63.7%
5 years, per year +17.3%+20.6%+15.6% +10.4%
10 years +348.9%+858.8%+480.6% +267.7%
10 years, per year +16.2%+25.4%+19.2% +13.9%

Risk

MeasureAEISFSSETNSPY
Volatility, 1Y 67.3%33.2%42.8% 12.8%
Downside volatility, 1Y 70.3%32.2%47.2% 12.7%
Beta vs S&P 500, 1Y 2.641.181.79 1.00
Return / volatility, 1Y 0.130.11-0.15 1.06
Max drawdown, 5Y -45.6%-33.3%-34.7% -25.4%
From 52-week high -45.6%-11.8%-23.3% -1.6%
52-week high $389.05$133.73$459.94 $779.14
52-week low $188.88$104.77$315.82 $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.

MultipleAEISFSSETN
P/E now vs peer median 29.3xmedian 25.5x 24.2xmedian 25.5x 35.2xmedian 25.5x
P/S now vs peer median 3.7xmedian 1.9x 2.8xmedian 1.9x 4.3xmedian 1.9x
EV/EBITDA now vs peer median 19.2xmedian 14.4x 14.8xmedian 14.4x 22.6xmedian 14.4x
P/FCF now vs peer median 119.0xmedian 23.3x 19.7xmedian 23.3x 36.1xmedian 23.3x
P/B now vs peer median 5.3xmedian 2.2x 4.6xmedian 2.2x 6.5xmedian 2.2x
PEG now vs peer median 1.16median 1.16 0.91median 1.16 3.42median 1.16

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 monthsAEISFSSETN
Revenue $2.27B $2.55B $31.98B
Gross profit $915.20M $741.70M $11.21B
Operating income $363.20M $412.80M $5.54B
Net income $288.80M $296.90M $3.90B
Free cash flow $71.10M $365.10M $3.80B
R&D $254.60M – $879.00M
EPS (diluted) $6.98 $4.83 $10.00
Cash & equivalents $1.42B $73.70M $528.00M
Total debt $1.27B $420.30M $20.11B
Shares (diluted) 41.40M 61.50M 389.60M
Enterprise value $4.15B $6.92B $134.04B

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
MetricAEISFSSETN
P/E 29.3x 24.2x 35.2x
P/FCF 119.0x 19.7x 36.1x
P/Operating cash flow 37.5x 17.9x 27.9x
P/S 3.7x 2.8x 4.3x
P/B 5.3x 4.6x 6.5x
P/Tangible book 5.7x 6.0x 15.6x
EV/EBITDA 19.2x 14.8x 22.6x
EV/EBIT 22.9x 18.3x 28.2x
EV/Revenue 3.7x 3.0x 4.9x
EV/FCF 116.8x 20.7x 41.2x
EV/Operating cash flow 36.8x 18.7x 31.9x
PEG (3Y EPS CAGR) 1.16 0.91 3.42

Growth

14 metrics
MetricAEISFSSETN
Revenue growth (1Y) 31.7% 24.0% 20.1%
Revenue CAGR (3Y) 9.3% 15.2% 12.3%
Gross profit growth (1Y) 42.4% 24.8% 10.5%
Gross profit CAGR (3Y) 13.4% 20.2% 11.7%
Operating income growth (1Y) 150.1% 26.0% 9.7%
Operating income CAGR (3Y) 32.0% 25.7% 14.6%
Net income growth (1Y) 99.2% 25.9% -0.7%
Net income CAGR (3Y) 29.0% 26.8% 9.2%
EPS growth (1Y) 85.3% 25.7% -0.6%
EPS CAGR (3Y) 25.2% 26.7% 10.3%
Operating cash flow growth (1Y) -4.8% 62.4% 19.6%
Operating cash flow CAGR (3Y) 4.3% 45.6% 11.8%
Free cash flow growth (1Y) -54.0% 66.2% 14.2%
Free cash flow CAGR (3Y) -18.8% 53.2% 10.8%

Profitability

14 metrics
MetricAEISFSSETN
Gross margin 40.3% 29.1% 35.0%
EBITDA margin 19.1% 19.9% 21.7%
Operating margin 16.0% 16.2% 17.3%
Pretax margin 15.2% 15.2% 15.4%
Net margin 12.7% 11.7% 12.2%
FCF margin 3.1% 14.3% 11.9%
Operating cash flow margin 9.9% 15.8% 15.3%
Return on equity 19.0% 19.2% 18.9%
Return on assets 8.2% 12.1% 6.9%
Return on invested capital 10.9% 16.0% 10.7%
Return on capital employed 12.9% 19.2% 12.6%
Asset turnover 0.6x 1.0x 0.6x
Cash conversion (OCF / net income) 0.8x 1.4x 1.3x
Stock comp / revenue 3.2% 0.6% –

Financial Health

11 metrics
MetricAEISFSSETN
Debt / assets 34.7% 17.1% 35.0%
Debt / equity 0.8x 0.3x 1.0x
Net debt / EBITDA -0.4x 0.7x 2.8x
Debt / FCF 17.8x 1.2x 5.3x
Liabilities / assets 56.4% 35.7% 63.4%
Equity / assets 43.6% 64.3% 36.6%
Interest coverage 25.0x 17.9x 9.6x
Current ratio 3.6x 3.0x 1.2x
Quick ratio 2.6x 1.3x 0.7x
Cash ratio 2.0x 0.3x 0.1x
Altman Z-score 4.55 7.67 3.49

Shareholder Returns

7 metrics
MetricAEISFSSETN
Dividend yield 0.2% 0.5% 1.2%
Net buyback yield 0.1% 0.0% 0.1%
Shareholder yield 0.3% 0.5% 1.3%
Payout ratio (earnings) – 12.1% –
Payout ratio (FCF) – 9.9% –
Dividend growth (1Y) – 9.4% –
Dividend CAGR (3Y) – 15.9% –

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.

ConsensusAEISFSSETN
Forward P/E 19.7xFY2026 24.0xFY2026 25.4xFY2026
EPS, next fiscal year $10.74FY2026 $4.92FY2026 $13.88FY2026
EPS growth, next FY +67.6%FY2026 +16.3%FY2026 +15.0%FY2026
EPS growth, the year after +37.5% +10.0% +14.4%
Revenue, next fiscal year $2.55BFY2026 $2.79BFY2026 $31.83BFY2026
Revenue growth, next FY +41.5%FY2026 +28.1%FY2026 +16.0%FY2026
Revenue growth, the year after +25.2% -5.3% +21.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAEISFSSETN
Held by institutions 100.0% 100.0% 84.7%
Institutions holding 680 476 2,647
Change in shares held, QoQ -2.0% +3.9% +1.6%
Institutions buying 388 251 1,402
Institutions selling 220 152 893
Buyers to sellers 1.76 1.65 1.57

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.

AEISFSSETN
AEIS 1.00 0.40 0.75
FSS 0.40 1.00 0.41
ETN 0.75 0.41 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AEIS, FSS and ETN?

Eaton (ETN) is the largest by market capitalisation: Advanced Energy Industries (AEIS) $8.46B, Federal Signal (FSS) $7.20B, Eaton (ETN) $137.06B.

Which stock is cheaper, AEIS, FSS and ETN?

Federal Signal (FSS) trades on the lowest price-to-earnings ratio (Advanced Energy Industries (AEIS) 29.3x, Federal Signal (FSS) 24.2x, Eaton (ETN) 35.2x). On next year's consensus earnings, Advanced Energy Industries (AEIS) is cheapest (Advanced Energy Industries (AEIS) 19.7x, Federal Signal (FSS) 24.0x, Eaton (ETN) 25.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Advanced Energy Industries (AEIS) grew revenue fastest over the trailing twelve months: Advanced Energy Industries (AEIS) +31.7%, Federal Signal (FSS) +24.0%, Eaton (ETN) +20.1%.

Which company is more profitable?

Advanced Energy Industries (AEIS) has the highest net margin (Advanced Energy Industries (AEIS) 12.7%, Federal Signal (FSS) 11.7%, Eaton (ETN) 12.2%). On return on invested capital, Federal Signal (FSS) leads (Advanced Energy Industries (AEIS) 10.9%, Federal Signal (FSS) 16.0%, Eaton (ETN) 10.7%).

Which stock has performed better?

Over the past year Advanced Energy Industries (AEIS) returned the most: Advanced Energy Industries (AEIS) +8.5%, Federal Signal (FSS) +3.8%, Eaton (ETN) -6.6%. Over five years, Federal Signal (FSS) compounded fastest (Advanced Energy Industries (AEIS) +17.3%/yr, Federal Signal (FSS) +20.6%/yr, Eaton (ETN) +15.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Eaton (ETN) has the highest dividend yield: Advanced Energy Industries (AEIS) 0.19%, Federal Signal (FSS) 0.50%, Eaton (ETN) 1.23%.

Which stock is riskier?

By one-year price volatility, Federal Signal (FSS) has been the steadiest (Advanced Energy Industries (AEIS) 67.3%, Federal Signal (FSS) 33.2%, Eaton (ETN) 42.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AEIS, FSS and ETN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Federal Signal (FSS) leads on 5. 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.