AER vs BA vs OSIS Stock Comparison

AerCap Holdings, Boeing and Osi Systems Prices as of Oct 29, 2026 Peers: Industry group
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AER AerCap Holdings N.V.
$159.76 +10.1% 1M +21.4% 1Y
Market cap
$26.66B
P/E
8.8x
Revenue (TTM)
$9.07B
Div. yield
0.92%
Commercial Aerospace Industrials
6 wins
BA Boeing Co
$172.72 -8.0% 1M -19.1% 1Y
Market cap
$136.87B
P/E
18.7x
Revenue (TTM)
$94.91B
Div. yield
–
Commercial Aerospace Industrials
4 wins
OSIS Osi Systems Inc
$208.17 +8.3% 1M -16.5% 1Y
Market cap
$3.27B
P/E
20.9x
Revenue (TTM)
$1.80B
Div. yield
–
Defense Industrials
1 win

Head to Head

11 decided of 12

AerCap Holdings leads on 6 of the 12 questions below (AerCap Holdings 6, Boeing 4, Osi Systems 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAERBAOSISLeader
Larger companyMarket capitalisation $26.66B $136.87B $3.27B BA
Cheaper on earningsLower P/E, profitable companies only 8.8x 18.7x 20.9x AER
Cheaper on forward earningsLower price / next fiscal year consensus EPS 8.9x — 17.9x AER
Faster revenue growthRevenue growth, trailing twelve months +8.7% +17.5% +2.9% BA
More profitableNet margin, trailing twelve months 34.5% 7.7% 8.8% AER
Better return on capitalReturn on invested capital 7.0% 18.2% 9.8% BA
Less leveragedLower net debt / EBITDA 5.8x 2.1x 2.6x BA
Higher dividend yieldTrailing dividend yield 0.92% 0.00% — –
Better 1-year returnPrice return, last 12 months +21.4% -19.1% -16.5% AER
Better 5-year returnAnnualised price return, 5 years +22.0%/yr -3.6%/yr +17.5%/yr AER
Less volatileAnnualised volatility, 1 year 25.9% 36.1% 43.7% AER
Higher overall scoreMean of the five percentile scores vs peers 64/100 56/100 75/100 OSIS

Percentile Scorecard

AERBAOSIS

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

AxisAERBAOSIS
Valuation 96 #5 of 100 64 #37 of 100 85 #16 of 100
Growth 41 #57 of 96 83 #17 of 96 66 #33 of 96
Profitability 86 #14 of 95 64 #35 of 95 80 #20 of 95
Financial Health 6 #99 of 105 12 #93 of 105 42 #61 of 105
Shareholder Returns 89 #8 of 65 – 100 #1 of 65
Overall 64 56 75
  • AER ranked among 107 companies in Aerospace and Defense
  • BA ranked among 107 companies in Aerospace and Defense
  • OSIS ranked among 107 companies in Aerospace and Defense

Price Performance

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

Returns

PeriodAERBAOSISSPY
1 month +10.1%-8.0%+8.3% +0.7%
3 months +4.5%-21.8%-5.3% +3.7%
6 months +12.3%-24.6%-27.4% +7.1%
Year to date +11.1%-20.4%-18.4% +12.8%
1 year +21.4%-19.1%-16.5% +11.9%
3 years +161.0%-5.3%+98.3% +85.2%
3 years, per year +37.7%-1.8%+25.6% +22.8%
5 years +170.6%-16.6%+123.6% +67.6%
5 years, per year +22.0%-3.6%+17.5% +10.9%
10 years +289.8%+20.8%+188.1% +262.0%
10 years, per year +14.6%+1.9%+11.2% +13.7%

Risk

MeasureAERBAOSISSPY
Volatility, 1Y 25.9%36.1%43.7% 12.7%
Downside volatility, 1Y 25.8%36.0%44.5% 12.6%
Beta vs S&P 500, 1Y 0.971.171.16 1.00
Return / volatility, 1Y 0.83-0.53-0.38 0.94
Max drawdown, 5Y -45.1%-50.3%-37.9% -25.4%
From 52-week high 0.0%-31.5%-32.8% -1.2%
52-week high $159.76$252.15$309.68 $779.14
52-week low $130.24$167.12$192.30 $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.

MultipleAERBAOSIS
P/E now vs peer median 8.8xmedian 26.9x 18.7xmedian 26.9x 20.9xmedian 26.9x
P/S now vs peer median 2.9xmedian 3.0x 1.4xmedian 3.0x 1.8xmedian 3.0x
EV/EBITDA now vs peer median 9.6xmedian 15.0x 13.5xmedian 15.0x 15.0xmedian 15.0x
P/FCF now vs peer median 8.9xmedian 27.2x 8,554xmedian 27.2x 13.4xmedian 27.2x
P/B now vs peer median 1.4xmedian 2.5x 20.9xmedian 2.5x 4.2xmedian 2.5x
PEG now vs peer median 0.46median 0.93 0.32median 0.93 0.97median 0.93

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 monthsAERBAOSIS
Revenue $9.07B $94.91B $1.80B
Gross profit – $8.94B $593.71M
Operating income – $9.74B $219.47M
Net income $3.13B $7.66B $158.73M
Free cash flow $3.00B $16.00M $245.20M
R&D – $3.62B $78.14M
EPS (diluted) $17.75 $9.22 $9.77
Cash & equivalents $2.53B $9.50B $236.30M
Total debt $43.27B $45.92B $999.57M
Shares (diluted) 176.12M 792.90M 16.25M
Enterprise value $19.58B $45.85B $1.93B

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
MetricAERBAOSIS
P/E 8.8x 18.7x 20.9x
P/FCF 8.9x 8,554x 13.4x
P/Operating cash flow 4.5x 34.1x 11.1x
P/S 2.9x 1.4x 1.8x
P/B 1.4x 20.9x 4.2x
P/Tangible book 1.4x 25.9x 5.6x
EV/EBITDA 9.6x 13.5x 15.0x
EV/EBIT 15.8x 16.6x 18.1x
EV/Revenue 7.4x 1.7x 2.2x
EV/FCF 22.5x 10,130x 16.2x
EV/Operating cash flow 11.3x 40.4x 13.4x
PEG (3Y EPS CAGR) 0.46 0.32 0.97

Growth

14 metrics
MetricAERBAOSIS
Revenue growth (1Y) 8.7% 17.5% 2.9%
Revenue CAGR (3Y) 6.5% 7.8% 11.9%
Gross profit growth (1Y) – 906.6% 0.8%
Gross profit CAGR (3Y) – 9.1% 10.4%
Operating income growth (1Y) – 217.8% -0.4%
Operating income CAGR (3Y) – 107.6% 16.3%
Net income growth (1Y) -17.5% 177.7% 4.2%
Net income CAGR (3Y) 7.2% 67.1% 19.3%
EPS growth (1Y) -8.9% 168.9% 12.1%
EPS CAGR (3Y) 19.1% 58.4% 21.5%
Operating cash flow growth (1Y) 8.9% 208.0% 94.8%
Operating cash flow CAGR (3Y) 3.2% -12.7% 46.2%
Free cash flow growth (1Y) 417.1% 100.3% 120.8%
Free cash flow CAGR (3Y) 3.8% -84.9% 59.6%

Profitability

14 metrics
MetricAERBAOSIS
Gross margin – 9.4% 32.9%
EBITDA margin 77.4% 12.7% 14.7%
Operating margin – 10.3% 12.2%
Pretax margin 26.4% 8.3% 10.9%
Net margin 34.5% 7.7% 8.8%
FCF margin 33.1% 0.0% 13.6%
Operating cash flow margin 65.5% 4.2% 16.4%
Return on equity 16.9% 121.0% 19.6%
Return on assets 4.4% 4.6% 6.4%
Return on invested capital 7.0% 18.2% 9.8%
Return on capital employed – 17.9% 11.3%
Asset turnover 0.1x 0.6x 0.7x
Cash conversion (OCF / net income) 1.9x 0.5x 1.9x
Stock comp / revenue 1.4% 0.5% 1.5%

Financial Health

11 metrics
MetricAERBAOSIS
Debt / assets 60.0% 26.9% 40.2%
Debt / equity 2.3x 7.0x 1.3x
Net debt / EBITDA 5.8x 2.1x 2.6x
Debt / FCF 14.4x 2,870x 4.1x
Liabilities / assets 74.2% 96.2% 68.6%
Equity / assets 25.8% 3.8% 31.4%
Interest coverage 2.3x 4.0x 9.9x
Current ratio – 1.1x 2.9x
Quick ratio – 0.3x 1.9x
Cash ratio – 0.2x 0.6x
Altman Z-score – 1.49 3.12

Shareholder Returns

7 metrics
MetricAERBAOSIS
Dividend yield 0.9% – –
Net buyback yield – – 5.5%
Shareholder yield 0.9% 0.0% 5.5%
Payout ratio (earnings) 4.7% – –
Payout ratio (FCF) 4.9% – –
Dividend growth (1Y) 68.0% – –
Dividend CAGR (3Y) – – –

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.

ConsensusAERBAOSIS
Forward P/E 8.9xFY2026 – 17.9xFY2027
EPS, next fiscal year $17.95FY2026 $-0.99FY2026 $11.62FY2027
EPS growth, next FY +16.8%FY2026 -183.2%FY2026 +12.3%FY2027
EPS growth, the year after +4.0% – +7.2%
Revenue, next fiscal year $9.14BFY2026 $91.05BFY2026 $1.85BFY2027
Revenue growth, next FY +7.3%FY2026 +1.8%FY2026 +3.5%FY2027
Revenue growth, the year after -1.6% +18.5% +16.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAERBAOSIS
Held by institutions 78.7% 75.6% 100.0%
Institutions holding 690 2,628 367
Change in shares held, QoQ -5.5% +2.3% +0.7%
Institutions buying 360 1,328 192
Institutions selling 238 844 134
Buyers to sellers 1.51 1.57 1.43

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.

AERBAOSIS
AER 1.00 0.35 0.17
BA 0.35 1.00 0.17
OSIS 0.17 0.17 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AER, BA and OSIS?

Boeing (BA) is the largest by market capitalisation: AerCap Holdings (AER) $26.66B, Boeing (BA) $136.87B, Osi Systems (OSIS) $3.27B.

Which stock is cheaper, AER, BA and OSIS?

AerCap Holdings (AER) trades on the lowest price-to-earnings ratio (AerCap Holdings (AER) 8.8x, Boeing (BA) 18.7x, Osi Systems (OSIS) 20.9x). On next year's consensus earnings, AerCap Holdings (AER) is cheapest (AerCap Holdings (AER) 8.9x, Osi Systems (OSIS) 17.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Boeing (BA) grew revenue fastest over the trailing twelve months: AerCap Holdings (AER) +8.7%, Boeing (BA) +17.5%, Osi Systems (OSIS) +2.9%.

Which company is more profitable?

AerCap Holdings (AER) has the highest net margin (AerCap Holdings (AER) 34.5%, Boeing (BA) 7.7%, Osi Systems (OSIS) 8.8%). On return on invested capital, Boeing (BA) leads (AerCap Holdings (AER) 7.0%, Boeing (BA) 18.2%, Osi Systems (OSIS) 9.8%).

Which stock has performed better?

Over the past year AerCap Holdings (AER) returned the most: AerCap Holdings (AER) +21.4%, Boeing (BA) -19.1%, Osi Systems (OSIS) -16.5%. Over five years, AerCap Holdings (AER) compounded fastest (AerCap Holdings (AER) +22.0%/yr, Boeing (BA) -3.6%/yr, Osi Systems (OSIS) +17.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: AerCap Holdings (AER) 0.92%, Boeing (BA) 0.00%. Boeing (BA) and Osi Systems (OSIS) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, AerCap Holdings (AER) has been the steadiest (AerCap Holdings (AER) 25.9%, Boeing (BA) 36.1%, Osi Systems (OSIS) 43.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AER, BA and OSIS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, AerCap Holdings (AER) leads on 6. 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.