BA vs FLY vs AER Stock Comparison

Boeing, Firefly Aerospace and AerCap Holdings Prices as of Oct 23, 2026 Peers: Industry group
BA Boeing Co
$188.29 -5.7% 1M -13.5% 1Y
Market cap
$148.46B
P/E
71.0x
Revenue (TTM)
$94.00B
Div. yield
–
Commercial Aerospace Industrials
1 win
FLY Firefly Aerospace Inc.
$18.23 -16.8% 1M -29.8% 1Y
Market cap
$2.95B
P/E
–
Revenue (TTM)
$287.01M
Div. yield
–
Space Industrials
2 wins
AER AerCap Holdings N.V.
$145.82 +0.7% 1M +20.9% 1Y
Market cap
$25.49B
P/E
7.5x
Revenue (TTM)
$8.96B
Div. yield
0.01%
Commercial Aerospace Industrials
7 wins

Head to Head

10 decided of 12

AerCap Holdings leads on 7 of the 12 questions below (AerCap Holdings 7, Firefly Aerospace 2, Boeing 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionBAFLYAERLeader
Larger companyMarket capitalisation $148.46B $2.95B $25.49B BA
Cheaper on earningsLower P/E, profitable companies only 71.0x -8.0x 7.5x AER
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 8.2x –
Faster revenue growthRevenue growth, trailing twelve months +24.8% +179.2% +12.2% FLY
More profitableNet margin, trailing twelve months 2.2% -129.1% 37.9% AER
Better return on capitalReturn on invested capital 7.7% -25.8% 9.1% AER
Less leveragedLower net debt / EBITDA 3.8x 2.1x 4.9x FLY
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.01% –
Better 1-year returnPrice return, last 12 months -13.5% -29.8% +20.9% AER
Better 5-year returnAnnualised price return, 5 years -2.4%/yr — +17.7%/yr AER
Less volatileAnnualised volatility, 1 year 34.4% 106.8% 26.8% AER
Higher overall scoreMean of the five percentile scores vs peers 48/100 36/100 71/100 AER

Percentile Scorecard

BAFLYAER

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

AxisBAFLYAER
Valuation 44 #56 of 100 17 #83 of 100 96 #5 of 100
Growth 81 #19 of 97 59 #40 of 97 71 #29 of 97
Profitability 54 #45 of 96 22 #75 of 96 90 #11 of 96
Financial Health 11 #94 of 106 70 #33 of 106 6 #100 of 106
Shareholder Returns – 9 #59 of 65 95 #4 of 65
Overall 48 36 71
  • BA ranked among 107 companies in Aerospace and Defense
  • FLY ranked among 107 companies in Aerospace and Defense
  • AER 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

PeriodBAFLYAERSPY
1 month -5.7%-16.8%+0.7% -1.0%
3 months -10.2%-7.4%-3.6% +2.9%
6 months -19.0%-48.1%+5.6% +6.4%
Year to date -13.3%-18.5%+1.4% +11.4%
1 year -13.5%-29.8%+20.9% +13.1%
3 years +3.3%—+144.3% +79.4%
3 years, per year +1.1%—+34.7% +21.5%
5 years -11.6%—+126.1% +67.7%
5 years, per year -2.4%—+17.7% +10.9%
10 years +38.8%—+258.1% +255.2%
10 years, per year +3.3%—+13.6% +13.5%

Risk

MeasureBAFLYAERSPY
Volatility, 1Y 34.4%106.8%26.8% 12.7%
Downside volatility, 1Y 33.2%99.1%25.6% 12.7%
Beta vs S&P 500, 1Y 1.233.430.95 1.00
Return / volatility, 1Y -0.39-0.280.78 1.03
Max drawdown, 5Y -50.3%-73.0%-45.1% -25.4%
From 52-week high -25.3%-69.0%-6.1% -2.5%
52-week high $252.15$58.81$155.22 $779.14
52-week low $179.12$16.31$120.64 $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.

MultipleBAFLYAER
P/E now vs peer median 71.2xmedian 26.2x -8.0xmedian 26.2x 7.4xmedian 26.2x
P/S now vs peer median 1.6xmedian 2.9x 10.6xmedian 2.9x 2.7xmedian 2.9x
EV/EBITDA now vs peer median 25.7xmedian 14.7x -8.3xmedian 14.7x 7.8xmedian 14.7x
P/FCF now vs peer median -708.7xmedian 24.9x -9.3xmedian 24.9x 11.7xmedian 24.9x
P/B now vs peer median 24.3xmedian 2.4x 2.5xmedian 2.4x 1.3xmedian 2.4x
PEG now vs peer median 2.15median 0.92 —median 0.92 0.21median 0.92

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 monthsBAFLYAER
Revenue $94.00B $287.01M $8.96B
Gross profit $4.40B $65.79M –
Operating income $4.60B -$338.66M –
Net income $2.43B -$363.46M $3.39B
Free cash flow -$210.00M -$326.49M $2.09B
R&D $3.69B $245.37M –
EPS (diluted) $2.64 $-2.29 $19.26
Cash & equivalents $7.24B $459.82M $1.69B
Total debt $45.90B $372.55M $42.77B
Shares (diluted) 790.80M 161.78M 176.12M
Enterprise value $55.15B -$123.28M $19.13B

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
MetricBAFLYAER
P/E 71.2x -8.0x 7.4x
P/FCF -708.7x -9.3x 11.7x
P/Operating cash flow 40.9x -11.5x 4.3x
P/S 1.6x 10.6x 2.7x
P/B 24.3x 2.5x 1.3x
P/Tangible book 32.5x 2.8x 1.3x
EV/EBITDA 25.7x -8.3x 7.8x
EV/EBIT 38.0x -7.2x 11.7x
EV/Revenue 1.9x 8.4x 7.3x
EV/FCF -831.9x -7.4x 31.3x
EV/Operating cash flow 48.0x -9.2x 11.6x
PEG (3Y EPS CAGR) 2.15 – 0.21

Growth

14 metrics
MetricBAFLYAER
Revenue growth (1Y) 24.8% 179.2% 12.2%
Revenue CAGR (3Y) 8.5% – 6.9%
Gross profit growth (1Y) 1,902% 1,165% –
Gross profit CAGR (3Y) -3.6% – –
Operating income growth (1Y) 149.8% -51.0% –
Operating income CAGR (3Y) 49.8% – –
Net income growth (1Y) 122.8% -46.1% 15.1%
Net income CAGR (3Y) 36.4% – 22.0%
EPS growth (1Y) 118.3% 89.5% 27.1%
EPS CAGR (3Y) 33.1% – 35.5%
Operating cash flow growth (1Y) 158.8% -63.7% 5.6%
Operating cash flow CAGR (3Y) -26.6% – 2.5%
Free cash flow growth (1Y) 97.5% -77.2% 178.8%
Free cash flow CAGR (3Y) -26.6% – 39.0%

Profitability

14 metrics
MetricBAFLYAER
Gross margin 4.7% 22.9% –
EBITDA margin 7.2% -102.3% 93.1%
Operating margin 4.9% -118.0% –
Pretax margin 3.0% -139.6% 41.1%
Net margin 2.2% -129.1% 37.9%
FCF margin -0.2% -113.8% 23.3%
Operating cash flow margin 3.9% -92.1% 62.7%
Return on equity 40.4% -31.2% 18.4%
Return on assets 1.5% -23.2% 4.8%
Return on invested capital 7.7% -25.8% 9.1%
Return on capital employed 8.2% -26.6% –
Asset turnover 0.6x 0.2x 0.1x
Cash conversion (OCF / net income) 1.5x 0.7x 1.7x
Stock comp / revenue 0.5% 16.1% 1.5%

Financial Health

11 metrics
MetricBAFLYAER
Debt / assets 27.7% 1.6% 60.1%
Debt / equity 7.5x 0.0x 2.3x
Net debt / EBITDA 3.8x 2.1x 4.9x
Debt / FCF -218.6x -0.1x 20.5x
Liabilities / assets 96.3% 25.4% 74.1%
Equity / assets 3.7% 74.6% 25.9%
Interest coverage 1.8x -18.2x 2.9x
Current ratio 1.1x 2.7x –
Quick ratio 0.3x 2.4x –
Cash ratio 0.2x 2.2x –
Altman Z-score 1.47 3.20 –

Shareholder Returns

7 metrics
MetricBAFLYAER
Dividend yield – – 1.0%
Net buyback yield – -39.3% 12.0%
Shareholder yield 0.0% -39.3% 13.0%
Payout ratio (earnings) – – 6.6%
Payout ratio (FCF) – – 10.7%
Dividend growth (1Y) – – 15.6%
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.

ConsensusBAFLYAER
Forward P/E – – 8.2xFY2026
EPS, next fiscal year $-1.03FY2026 $-1.90FY2026 $17.88FY2026
EPS growth, next FY -186.6%FY2026 – +16.3%FY2026
EPS growth, the year after – – +4.4%
Revenue, next fiscal year $91.39BFY2026 $464.32MFY2026 $9.13BFY2026
Revenue growth, next FY +2.2%FY2026 +190.5%FY2026 +7.2%FY2026
Revenue growth, the year after +18.3% +41.1% -1.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersBAFLYAER
Held by institutions 75.6% 57.0% 78.7%
Institutions holding 2,626 267 689
Change in shares held, QoQ +2.3% +46.3% -5.5%
Institutions buying 1,327 211 360
Institutions selling 843 34 237
Buyers to sellers 1.57 6.21 1.52

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.

BAFLYAER
BA 1.00 0.26 0.32
FLY 0.26 1.00 0.16
AER 0.32 0.16 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, BA, FLY and AER?

Boeing (BA) is the largest by market capitalisation: Boeing (BA) $148.46B, Firefly Aerospace (FLY) $2.95B, AerCap Holdings (AER) $25.49B.

Which stock is cheaper, BA, FLY and AER?

AerCap Holdings (AER) trades on the lowest price-to-earnings ratio (Boeing (BA) 71.0x, Firefly Aerospace (FLY) -8.0x, AerCap Holdings (AER) 7.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Firefly Aerospace (FLY) grew revenue fastest over the trailing twelve months: Boeing (BA) +24.8%, Firefly Aerospace (FLY) +179.2%, AerCap Holdings (AER) +12.2%.

Which company is more profitable?

AerCap Holdings (AER) has the highest net margin (Boeing (BA) 2.2%, Firefly Aerospace (FLY) -129.1%, AerCap Holdings (AER) 37.9%). On return on invested capital, AerCap Holdings (AER) leads (Boeing (BA) 7.7%, Firefly Aerospace (FLY) -25.8%, AerCap Holdings (AER) 9.1%).

Which stock has performed better?

Over the past year AerCap Holdings (AER) returned the most: Boeing (BA) -13.5%, Firefly Aerospace (FLY) -29.8%, AerCap Holdings (AER) +20.9%. Over five years, AerCap Holdings (AER) compounded fastest (Boeing (BA) -2.4%/yr, AerCap Holdings (AER) +17.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Boeing (BA) 0.00%, Firefly Aerospace (FLY) 0.00%, AerCap Holdings (AER) 0.01%. Boeing (BA) and Firefly Aerospace (FLY) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, AerCap Holdings (AER) has been the steadiest (Boeing (BA) 34.4%, Firefly Aerospace (FLY) 106.8%, AerCap Holdings (AER) 26.8%). Volatility measures how widely the price swings, not the risk of the business.

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

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 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.