APH vs AUSI vs ETN Stock Comparison

Amphenol, Aura Systems and Eaton Prices as of Nov 2, 2026 Peers: Industry group
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APH Amphenol Corp /De/
$79.83 -8.2% 1M -42.7% 1Y
Market cap
$196.86B
P/E
33.1x
Revenue (TTM)
$33.05B
Div. yield
0.48%
Electrical Equipment Industrials
7 wins
AUSI Aura Systems Inc
$0.20 +5.3% 1M +5.3% 1Y
Market cap
$29.59M
P/E
–
Revenue (TTM)
$127.00K
Div. yield
–
Electrical Equipment Industrials
1 win
ETN Eaton Corp plc
$366.17 -16.0% 1M -4.0% 1Y
Market cap
$142.22B
P/E
37.2x
Revenue (TTM)
$30.03B
Div. yield
1.19%
Electrical Equipment Industrials
4 wins

Head to Head

12 decided of 12

Amphenol leads on 7 of the 12 questions below (Amphenol 7, Eaton 4, Aura Systems 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAPHAUSIETNLeader
Larger companyMarket capitalisation $196.86B $29.59M $142.22B APH
Cheaper on earningsLower P/E, profitable companies only 33.1x -6.3x 37.2x APH
Cheaper on forward earningsLower price / next fiscal year consensus EPS 30.6x — 26.4x ETN
Faster revenue growthRevenue growth, trailing twelve months +57.6% -31.4% +15.5% APH
More profitableNet margin, trailing twelve months 18.0% -3,697.6% 12.8% APH
Better return on capitalReturn on invested capital 18.5% — 10.3% APH
Less leveragedLower net debt / EBITDA 1.2x — 3.1x APH
Higher dividend yieldTrailing dividend yield 0.48% — 1.19% ETN
Better 1-year returnPrice return, last 12 months -42.7% +5.3% -4.0% AUSI
Better 5-year returnAnnualised price return, 5 years +15.3%/yr -18.6%/yr +16.7%/yr ETN
Less volatileAnnualised volatility, 1 year 85.8% 226.8% 41.1% ETN
Higher overall scoreMean of the five percentile scores vs peers 65/100 14/100 45/100 APH

Percentile Scorecard

APHAUSIETN

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

AxisAPHAUSIETN
Valuation 23 #156 of 203 1 #202 of 203 14 #174 of 203
Growth 97 #7 of 189 45 #105 of 189 72 #53 of 189
Profitability 98 #5 of 187 10 #168 of 187 73 #51 of 187
Financial Health 45 #123 of 221 1 #220 of 221 20 #178 of 221
Shareholder Returns 64 #56 of 152 – 47 #81 of 152
Overall 65 14 45
  • APH ranked among 223 companies in Machinery
  • AUSI 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

PeriodAPHAUSIETNSPY
1 month -8.2%+5.3%-16.0% -2.3%
3 months -51.1%+5.3%-16.5% -0.7%
6 months -43.4%+66.7%-13.3% +4.8%
Year to date -40.9%+185.7%+15.0% +10.3%
1 year -42.7%+5.3%-4.0% +10.3%
3 years +88.3%+11.1%+70.5% +73.0%
3 years, per year +23.5%+3.6%+19.5% +20.1%
5 years +103.7%-64.3%+116.0% +61.9%
5 years, per year +15.3%-18.6%+16.7% +10.1%
10 years +390.4%—+501.5% +258.6%
10 years, per year +17.2%—+19.7% +13.6%

Risk

MeasureAPHAUSIETNSPY
Volatility, 1Y 85.8%226.8%41.1% 12.8%
Downside volatility, 1Y 114.3%352.8%44.8% 12.8%
Beta vs S&P 500, 1Y 1.71-0.091.91 1.00
Return / volatility, 1Y -0.500.02-0.10 0.80
Max drawdown, 5Y -58.6%-90.9%-34.7% -25.4%
From 52-week high -54.7%-9.1%-20.4% -3.5%
52-week high $176.32$0.22$459.94 $779.14
52-week low $73.07$0.07$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.

MultipleAPHAUSIETN
P/E now vs peer median 33.1xmedian 25.6x -6.3xmedian 25.6x 37.2xmedian 25.6x
P/S now vs peer median 6.0xmedian 1.9x 233.0xmedian 1.9x 4.7xmedian 1.9x
EV/EBITDA now vs peer median 19.8xmedian 14.4x —median 14.4x 24.9xmedian 14.4x
P/FCF now vs peer median 38.4xmedian 22.5x -9.1xmedian 22.5x 36.2xmedian 22.5x
P/B now vs peer median 11.4xmedian 2.2x -0.6xmedian 2.2x 7.0xmedian 2.2x
PEG now vs peer median 0.75median 1.36 -0.60median 1.36 2.80median 1.36

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 monthsAPHAUSIETN
Revenue $33.05B $127.00K $30.03B
Gross profit $12.83B $116.00K $10.78B
Operating income $9.16B -$3.73M $5.32B
Net income $5.99B -$4.70M $3.83B
Free cash flow $5.12B – $3.93B
R&D – $1.60M $844.00M
EPS (diluted) $2.30 $-0.03 $9.83
Cash & equivalents $4.17B $13.00K $483.00M
Total debt $17.87B $14.51M $20.61B
Shares (diluted) 2.58B 147.97M 389.50M
Enterprise value $191.70B $29.44M $139.45B

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
MetricAPHAUSIETN
P/E 33.1x -6.3x 37.2x
P/FCF 38.4x -9.1x 36.2x
P/Operating cash flow 30.4x – 28.7x
P/S 6.0x 233.0x 4.7x
P/B 11.4x -0.6x 7.0x
P/Tangible book 16.5x -0.6x 18.5x
EV/EBITDA 19.8x – 24.9x
EV/EBIT 22.9x -11.8x 30.5x
EV/Revenue 6.3x 347.1x 5.4x
EV/FCF 40.9x – 41.2x
EV/Operating cash flow 32.3x – 32.8x
PEG (3Y EPS CAGR) 0.75 -0.60 2.80

Growth

14 metrics
MetricAPHAUSIETN
Revenue growth (1Y) 57.6% -31.4% 15.5%
Revenue CAGR (3Y) 38.4% 25.0% 10.8%
Gross profit growth (1Y) 70.2% -27.5% 8.7%
Gross profit CAGR (3Y) 47.2% 48.9% 12.3%
Operating income growth (1Y) 79.6% -14.7% 8.7%
Operating income CAGR (3Y) 53.4% -6.3% 15.9%
Net income growth (1Y) 55.4% 33.8% -2.4%
Net income CAGR (3Y) 45.7% -2.6% 12.2%
EPS growth (1Y) 54.5% 44.8% -2.0%
EPS CAGR (3Y) 43.9% 10.5% 13.3%
Operating cash flow growth (1Y) 44.0% – 21.9%
Operating cash flow CAGR (3Y) 39.4% – 14.1%
Free cash flow growth (1Y) 44.0% – 20.1%
Free cash flow CAGR (3Y) 36.1% – 13.3%

Profitability

14 metrics
MetricAPHAUSIETN
Gross margin 38.8% 91.3% 35.9%
EBITDA margin 32.0% – 21.7%
Operating margin 27.7% -2,934% 17.7%
Pretax margin 25.8% -4,554% 16.1%
Net margin 18.0% -3,698% 12.8%
FCF margin 15.5% – 13.1%
Operating cash flow margin 19.6% – 16.5%
Return on equity 36.4% – 19.1%
Return on assets 13.0% -402.7% 6.9%
Return on invested capital 18.5% – 10.3%
Return on capital employed 25.5% – 12.2%
Asset turnover 0.7x 0.1x 0.5x
Cash conversion (OCF / net income) 1.1x – 1.3x
Stock comp / revenue 0.5% – –

Financial Health

11 metrics
MetricAPHAUSIETN
Debt / assets 38.0% 961.3% 36.7%
Debt / equity 1.0x -0.3x 1.0x
Net debt / EBITDA 1.2x – 3.1x
Debt / FCF 3.5x – 5.2x
Liabilities / assets 63.3% 3,433% 63.9%
Equity / assets 36.7% -3,333% 36.1%
Interest coverage 12.0x -1.8x 12.0x
Current ratio 1.9x 0.0x 1.2x
Quick ratio 1.3x 0.0x 0.7x
Cash ratio 0.5x 0.0x 0.1x
Altman Z-score 5.95 -526.78 3.57

Shareholder Returns

7 metrics
MetricAPHAUSIETN
Dividend yield 0.5% – 1.2%
Net buyback yield 0.2% – 0.4%
Shareholder yield 0.7% – 1.5%
Payout ratio (earnings) 18.8% – –
Payout ratio (FCF) 21.9% – –
Dividend growth (1Y) 40.6% – –
Dividend CAGR (3Y) 31.5% – –

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.

ConsensusAPHAUSIETN
Forward P/E 30.6xFY2026 – 26.4xFY2026
EPS, next fiscal year $2.61FY2026 – $13.88FY2026
EPS growth, next FY +56.3%FY2026 – +15.0%FY2026
EPS growth, the year after +35.6% – +14.4%
Revenue, next fiscal year $33.34BFY2026 – $31.83BFY2026
Revenue growth, next FY +44.4%FY2026 – +16.0%FY2026
Revenue growth, the year after +33.4% – +21.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAPHAUSIETN
Held by institutions 96.0% – 84.7%
Institutions holding 2,332 – 2,644
Change in shares held, QoQ +2.6% – +1.6%
Institutions buying 1,362 – 1,401
Institutions selling 773 – 892
Buyers to sellers 1.76 – 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.

APHAUSIETN
APH 1.00 0.00 0.28
AUSI 0.00 1.00 -0.04
ETN 0.28 -0.04 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, APH, AUSI and ETN?

Amphenol (APH) is the largest by market capitalisation: Amphenol (APH) $196.86B, Aura Systems (AUSI) $29.59M, Eaton (ETN) $142.22B.

Which stock is cheaper, APH, AUSI and ETN?

Amphenol (APH) trades on the lowest price-to-earnings ratio (Amphenol (APH) 33.1x, Aura Systems (AUSI) -6.3x, Eaton (ETN) 37.2x). On next year's consensus earnings, Eaton (ETN) is cheapest (Amphenol (APH) 30.6x, Eaton (ETN) 26.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amphenol (APH) grew revenue fastest over the trailing twelve months: Amphenol (APH) +57.6%, Aura Systems (AUSI) -31.4%, Eaton (ETN) +15.5%.

Which company is more profitable?

Amphenol (APH) has the highest net margin (Amphenol (APH) 18.0%, Aura Systems (AUSI) -3,697.6%, Eaton (ETN) 12.8%). On return on invested capital, Amphenol (APH) leads (Amphenol (APH) 18.5%, Eaton (ETN) 10.3%).

Which stock has performed better?

Over the past year Aura Systems (AUSI) returned the most: Amphenol (APH) -42.7%, Aura Systems (AUSI) +5.3%, Eaton (ETN) -4.0%. Over five years, Eaton (ETN) compounded fastest (Amphenol (APH) +15.3%/yr, Aura Systems (AUSI) -18.6%/yr, Eaton (ETN) +16.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Eaton (ETN) has the highest dividend yield: Amphenol (APH) 0.48%, Eaton (ETN) 1.19%. Aura Systems (AUSI) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Eaton (ETN) has been the steadiest (Amphenol (APH) 85.8%, Aura Systems (AUSI) 226.8%, Eaton (ETN) 41.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, APH, AUSI 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, Amphenol (APH) leads on 7. 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.