ACHR vs TDG vs BA Stock Comparison

Archer Aviation, TransDigm and Boeing Prices as of Oct 27, 2026 Peers: Industry group
ACHR Archer Aviation Inc.
$4.23 -24.7% 1M -62.7% 1Y
Market cap
$3.37B
P/E
–
Revenue (TTM)
$40.50M
Div. yield
–
Commercial Aerospace Industrials
2 wins
TDG TransDigm Group INC
$1,130.73 +1.3% 1M -16.5% 1Y
Market cap
$65.44B
P/E
34.2x
Revenue (TTM)
$10.01B
Div. yield
–
Commercial Aerospace Industrials
5 wins
BA Boeing Co
$168.16 -15.1% 1M -24.6% 1Y
Market cap
$132.29B
P/E
18.1x
Revenue (TTM)
$94.91B
Div. yield
–
Commercial Aerospace Industrials
3 wins

Head to Head

10 decided of 12

TransDigm leads on 5 of the 12 questions below (TransDigm 5, Boeing 3, Archer Aviation 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionACHRTDGBALeader
Larger companyMarket capitalisation $3.37B $65.44B $132.29B BA
Cheaper on earningsLower P/E, profitable companies only -4.2x 34.2x 18.1x BA
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 25.7x — –
Faster revenue growthRevenue growth, trailing twelve months +252.2% +16.6% +17.5% ACHR
More profitableNet margin, trailing twelve months -1,974.6% 19.1% 7.7% TDG
Better return on capitalReturn on invested capital -45.6% 15.5% 18.2% BA
Less leveragedLower net debt / EBITDA 1.6x 6.1x 2.1x ACHR
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -62.7% -16.5% -24.6% TDG
Better 5-year returnAnnualised price return, 5 years -5.6%/yr +12.5%/yr -4.2%/yr TDG
Less volatileAnnualised volatility, 1 year 69.3% 27.2% 36.2% TDG
Higher overall scoreMean of the five percentile scores vs peers 28/100 66/100 57/100 TDG

Percentile Scorecard

ACHRTDGBA

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

AxisACHRTDGBA
Valuation 7 #93 of 100 53 #48 of 100 65 #36 of 100
Growth 26 #72 of 97 68 #32 of 97 87 #14 of 97
Profitability 2 #94 of 96 96 #5 of 96 66 #33 of 96
Financial Health 91 #10 of 105 17 #87 of 105 13 #92 of 105
Shareholder Returns 16 #55 of 65 95 #4 of 65 –
Overall 28 66 57
  • ACHR ranked among 107 companies in Aerospace and Defense
  • TDG ranked among 107 companies in Aerospace and Defense
  • BA 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

PeriodACHRTDGBASPY
1 month -24.7%+1.3%-15.1% -0.2%
3 months -12.4%-13.5%-24.1% +3.9%
6 months -27.6%-2.0%-27.1% +8.2%
Year to date -43.7%-15.0%-22.5% +12.9%
1 year -62.7%-16.5%-24.6% +12.3%
3 years -4.9%+38.1%-6.4% +87.4%
3 years, per year -1.7%+11.4%-2.2% +23.3%
5 years -25.0%+79.9%-19.1% +67.9%
5 years, per year -5.6%+12.5%-4.2% +10.9%
10 years —+319.4%+17.3% +261.1%
10 years, per year —+15.4%+1.6% +13.7%

Risk

MeasureACHRTDGBASPY
Volatility, 1Y 69.3%27.2%36.2% 12.7%
Downside volatility, 1Y 69.3%29.0%36.5% 12.7%
Beta vs S&P 500, 1Y 2.950.751.19 1.00
Return / volatility, 1Y -0.90-0.61-0.68 0.97
Max drawdown, 5Y -77.7%-33.6%-50.3% -25.4%
From 52-week high -62.7%-22.0%-33.3% -1.2%
52-week high $11.34$1,450.00$252.15 $779.14
52-week low $3.81$1,076.01$168.16 $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.

MultipleACHRTDGBA
P/E now vs peer median -4.1xmedian 26.5x 34.0xmedian 26.5x 18.2xmedian 26.5x
P/S now vs peer median 80.4xmedian 3.0x 6.2xmedian 3.0x 1.4xmedian 3.0x
EV/EBITDA now vs peer median -1.9xmedian 14.6x 18.4xmedian 14.6x 13.2xmedian 14.6x
P/FCF now vs peer median -4.9xmedian 26.4x 32.4xmedian 26.4x 8,329xmedian 26.4x
P/B now vs peer median 1.7xmedian 2.5x -6.4xmedian 2.5x 20.3xmedian 2.5x
PEG now vs peer median -0.22median 0.90 1.61median 0.90 0.31median 0.90

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 monthsACHRTDGBA
Revenue $40.50M $10.01B $94.91B
Gross profit $1.00M $5.96B $8.94B
Operating income -$943.00M $4.61B $9.74B
Net income -$799.70M $2.13B $7.66B
Free cash flow -$660.00M $1.93B $16.00M
R&D $625.50M – $3.62B
EPS (diluted) $-1.02 $33.29 $9.22
Cash & equivalents $852.70M $2.77B $9.50B
Total debt $80.10M $33.49B $45.92B
Shares (diluted) 781.70M 57.40M 792.90M
Enterprise value -$3.57B $53.45B $41.25B

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
MetricACHRTDGBA
P/E -4.1x 34.0x 18.2x
P/FCF -4.9x 32.4x 8,329x
P/Operating cash flow -6.0x 28.4x 33.2x
P/S 80.4x 6.2x 1.4x
P/B 1.7x -6.4x 20.3x
P/Tangible book 1.8x -4.3x 25.2x
EV/EBITDA -1.9x 18.4x 13.2x
EV/EBIT -1.9x 20.2x 16.3x
EV/Revenue 43.9x 9.3x 1.7x
EV/FCF -2.7x 48.4x 9,904x
EV/Operating cash flow -3.3x 42.4x 39.5x
PEG (3Y EPS CAGR) -0.22 1.61 0.31

Growth

14 metrics
MetricACHRTDGBA
Revenue growth (1Y) 252.2% 16.6% 17.5%
Revenue CAGR (3Y) 72.4% 17.0% 7.8%
Gross profit growth (1Y) – 16.9% 906.6%
Gross profit CAGR (3Y) – 17.9% 9.1%
Operating income growth (1Y) -66.5% 16.7% 217.8%
Operating income CAGR (3Y) -23.9% 19.4% 107.6%
Net income growth (1Y) -30.5% 10.2% 177.7%
Net income CAGR (3Y) -18.3% 22.8% 67.1%
EPS growth (1Y) 3.3% 10.5% 168.9%
EPS CAGR (3Y) 19.0% 21.1% 58.4%
Operating cash flow growth (1Y) -35.2% 4.5% 208.0%
Operating cash flow CAGR (3Y) -31.3% 22.8% -12.7%
Free cash flow growth (1Y) -39.7% 1.1% 100.3%
Free cash flow CAGR (3Y) -35.9% 22.4% -84.9%

Profitability

14 metrics
MetricACHRTDGBA
Gross margin 2.5% 59.6% 9.4%
EBITDA margin -2,257% 50.7% 12.7%
Operating margin -2,328% 46.0% 10.3%
Pretax margin -1,974% 27.4% 8.3%
Net margin -1,975% 19.1% 7.7%
FCF margin -1,630% 19.3% 0.0%
Operating cash flow margin -1,334% 22.0% 4.2%
Return on equity -40.3% – 121.0%
Return on assets -35.3% 8.2% 4.6%
Return on invested capital -45.6% 15.5% 18.2%
Return on capital employed -44.8% 19.6% 17.9%
Asset turnover 0.0x 0.4x 0.6x
Cash conversion (OCF / net income) 0.7x 1.0x 0.5x
Stock comp / revenue 735.1% 1.5% 0.5%

Financial Health

11 metrics
MetricACHRTDGBA
Debt / assets 3.6% 125.2% 26.9%
Debt / equity 0.0x -3.4x 7.0x
Net debt / EBITDA 1.6x 6.1x 2.1x
Debt / FCF -0.1x 17.4x 2,870x
Liabilities / assets 14.5% 136.7% 96.2%
Equity / assets 85.5% -36.7% 3.8%
Interest coverage – 2.5x 4.0x
Current ratio 10.2x 3.0x 1.1x
Quick ratio 9.7x 1.9x 0.3x
Cash ratio 9.7x 1.1x 0.2x
Altman Z-score 3.73 1.72 1.47

Shareholder Returns

7 metrics
MetricACHRTDGBA
Dividend yield – – –
Net buyback yield -21.7% 2.7% –
Shareholder yield -21.7% 2.7% 0.0%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
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.

ConsensusACHRTDGBA
Forward P/E – 25.7xFY2026 –
EPS, next fiscal year $-1.40FY2026 $44.01FY2026 $-0.99FY2026
EPS growth, next FY – +17.9%FY2026 -183.2%FY2026
EPS growth, the year after – +7.9% –
Revenue, next fiscal year $14.23MFY2026 $10.01BFY2026 $91.05BFY2026
Revenue growth, next FY +4,642.2%FY2026 +13.4%FY2026 +1.8%FY2026
Revenue growth, the year after +503.3% +24.4% +18.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersACHRTDGBA
Held by institutions 49.4% 93.2% 75.6%
Institutions holding 523 1,140 2,626
Change in shares held, QoQ +5.5% +1.2% +2.3%
Institutions buying 254 584 1,327
Institutions selling 150 367 843
Buyers to sellers 1.69 1.59 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.

ACHRTDGBA
ACHR 1.00 0.18 0.31
TDG 0.18 1.00 0.35
BA 0.31 0.35 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ACHR, TDG and BA?

Boeing (BA) is the largest by market capitalisation: Archer Aviation (ACHR) $3.37B, TransDigm (TDG) $65.44B, Boeing (BA) $132.29B.

Which stock is cheaper, ACHR, TDG and BA?

Boeing (BA) trades on the lowest price-to-earnings ratio (Archer Aviation (ACHR) -4.2x, TransDigm (TDG) 34.2x, Boeing (BA) 18.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Archer Aviation (ACHR) grew revenue fastest over the trailing twelve months: Archer Aviation (ACHR) +252.2%, TransDigm (TDG) +16.6%, Boeing (BA) +17.5%.

Which company is more profitable?

TransDigm (TDG) has the highest net margin (Archer Aviation (ACHR) -1,974.6%, TransDigm (TDG) 19.1%, Boeing (BA) 7.7%). On return on invested capital, Boeing (BA) leads (Archer Aviation (ACHR) -45.6%, TransDigm (TDG) 15.5%, Boeing (BA) 18.2%).

Which stock has performed better?

Over the past year TransDigm (TDG) returned the most: Archer Aviation (ACHR) -62.7%, TransDigm (TDG) -16.5%, Boeing (BA) -24.6%. Over five years, TransDigm (TDG) compounded fastest (Archer Aviation (ACHR) -5.6%/yr, TransDigm (TDG) +12.5%/yr, Boeing (BA) -4.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, TransDigm (TDG) has been the steadiest (Archer Aviation (ACHR) 69.3%, TransDigm (TDG) 27.2%, Boeing (BA) 36.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ACHR, TDG and BA?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, TransDigm (TDG) 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.