AA vs STLD vs CSTM Stock Comparison

Alcoa, Steel Dynamics and Constellium Se Prices as of Oct 27, 2026 Peers: Industry group
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AA Alcoa Corp
$39.94 -6.8% 1M +0.1% 1Y
Market cap
$10.49B
P/E
6.9x
Revenue (TTM)
$14.31B
Div. yield
0.01%
Aluminum Basic Materials
1 win
STLD Steel Dynamics Inc
$246.80 +5.6% 1M +56.2% 1Y
Market cap
$35.21B
P/E
18.0x
Revenue (TTM)
$22.22B
Div. yield
0.01%
Steel Basic Materials
7 wins
CSTM Constellium Se
$24.54 -1.5% 1M +45.6% 1Y
Market cap
$3.32B
P/E
6.1x
Revenue (TTM)
$9.58B
Div. yield
–
Metal Fabrication Industrials
4 wins

Head to Head

12 decided of 12

Steel Dynamics leads on 7 of the 12 questions below (Steel Dynamics 7, Constellium Se 4, Alcoa 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAASTLDCSTMLeader
Larger companyMarket capitalisation $10.49B $35.21B $3.32B STLD
Cheaper on earningsLower P/E, profitable companies only 6.9x 18.0x 6.1x CSTM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.1x 14.4x 5.9x CSTM
Faster revenue growthRevenue growth, trailing twelve months +11.2% +26.0% +25.9% STLD
More profitableNet margin, trailing twelve months — 8.8% 5.7% STLD
Better return on capitalReturn on invested capital — 14.6% 25.6% CSTM
Less leveragedLower net debt / EBITDA — 1.0x 1.2x STLD
Higher dividend yieldTrailing dividend yield 0.01% 0.01% 0.00% AA
Better 1-year returnPrice return, last 12 months +0.1% +56.2% +45.6% STLD
Better 5-year returnAnnualised price return, 5 years -3.0%/yr +30.4%/yr +5.2%/yr STLD
Less volatileAnnualised volatility, 1 year 53.5% 36.1% 44.8% STLD
Higher overall scoreMean of the five percentile scores vs peers 69/100 56/100 74/100 CSTM

Percentile Scorecard

AASTLDCSTM

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

AxisAASTLDCSTM
Valuation 96 #8 of 162 69 #51 of 162 97 #8 of 203
Growth 73 #41 of 147 50 #74 of 147 97 #6 of 188
Profitability 72 #35 of 122 63 #46 of 122 65 #64 of 183
Financial Health 24 #125 of 164 37 #104 of 164 19 #176 of 217
Shareholder Returns 81 #21 of 107 61 #42 of 107 90 #16 of 153
Overall 69 56 74
  • AA ranked among 176 companies in Metals and Mining
  • STLD ranked among 176 companies in Metals and Mining
  • CSTM ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodAASTLDCSTMSPY
1 month -6.8%+5.6%-1.5% -0.2%
3 months -10.0%-5.0%-15.6% +3.9%
6 months -36.8%+8.7%-21.0% +8.2%
Year to date -24.8%+45.6%+30.2% +12.9%
1 year +0.1%+56.2%+45.6% +12.3%
3 years +69.9%+137.1%+60.2% +87.4%
3 years, per year +19.3%+33.4%+17.0% +23.3%
5 years -14.0%+276.9%+28.8% +67.9%
5 years, per year -3.0%+30.4%+5.2% +10.9%
10 years +76.7%+818.8%+371.9% +261.1%
10 years, per year +5.9%+24.8%+16.8% +13.7%

Risk

MeasureAASTLDCSTMSPY
Volatility, 1Y 53.5%36.1%44.8% 12.7%
Downside volatility, 1Y 53.3%36.5%42.1% 12.7%
Beta vs S&P 500, 1Y 1.631.061.94 1.00
Return / volatility, 1Y 0.001.561.02 0.97
Max drawdown, 5Y -76.3%-32.5%-66.3% -25.4%
From 52-week high -52.3%-12.7%-32.1% -1.2%
52-week high $83.79$282.76$36.15 $779.14
52-week low $35.26$151.62$14.75 $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.

MultipleAASTLDCSTM
P/E now vs peer median 6.9xmedian 13.3x 18.1xmedian 13.3x 6.1xmedian 25.2x
P/S now vs peer median 0.7xmedian 3.2x 1.6xmedian 3.2x 0.3xmedian 1.9x
EV/EBITDA now vs peer median —median 7.3x 11.9xmedian 7.3x 3.4xmedian 14.0x
P/FCF now vs peer median 31.5xmedian 14.7x 32.1xmedian 14.7x 15.3xmedian 21.7x
P/B now vs peer median 1.3xmedian 2.2x 3.6xmedian 2.2x 2.7xmedian 2.3x
PEG now vs peer median 0.15median 0.31 -3.25median 0.31 0.07median 1.32

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 monthsAASTLDCSTM
Revenue $14.31B $22.22B $9.58B
Gross profit – $3.53B $1.56B
Operating income – $2.56B $1.14B
Net income $1.51B $1.95B $545.00M
Free cash flow – $1.09B $218.00M
R&D $18.00M – $53.00M
EPS (diluted) $5.74 $13.58 $3.89
Cash & equivalents $4.41B $928.56M $163.00M
Total debt – $4.20B $1.92B
Shares (diluted) 266.00M 143.62M 140.15M
Enterprise value $10.49B $32.02B $2.77B

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
MetricAASTLDCSTM
P/E 6.9x 18.1x 6.1x
P/FCF 31.5x 32.1x 15.3x
P/Operating cash flow 6.6x 20.7x 6.0x
P/S 0.7x 1.6x 0.3x
P/B 1.3x 3.6x 2.7x
P/Tangible book 1.3x 3.7x 2.8x
EV/EBITDA – 11.9x 3.4x
EV/EBIT – 15.0x 4.4x
EV/Revenue 0.7x 1.7x 0.5x
EV/FCF – 35.0x 23.3x
EV/Operating cash flow 6.6x 22.6x 9.2x
PEG (3Y EPS CAGR) 0.15 -3.25 0.07

Growth

14 metrics
MetricAASTLDCSTM
Revenue growth (1Y) 11.2% 26.0% 25.9%
Revenue CAGR (3Y) 10.5% 4.6% 6.3%
Gross profit growth (1Y) – 53.3% 66.2%
Gross profit CAGR (3Y) – -6.4% 21.4%
Operating income growth (1Y) – 82.1% 101.1%
Operating income CAGR (3Y) – -9.0% 27.0%
Net income growth (1Y) 34.9% 72.3% 1,457%
Net income CAGR (3Y) 52.7% -10.0% 19.3%
EPS growth (1Y) 30.8% 77.0% 1,629%
EPS CAGR (3Y) 46.5% -5.6% 85.0%
Operating cash flow growth (1Y) 51.4% 11.2% 84.9%
Operating cash flow CAGR (3Y) 426.9% -23.6% –
Free cash flow growth (1Y) – 252.0% 311.7%
Free cash flow CAGR (3Y) – -22.1% –

Profitability

14 metrics
MetricAASTLDCSTM
Gross margin – 15.9% 16.3%
EBITDA margin – 14.4% 15.5%
Operating margin – 11.5% 11.9%
Pretax margin – 11.2% 8.1%
Net margin – 8.8% 5.7%
FCF margin – 4.9% 2.3%
Operating cash flow margin 11.2% 7.6% 5.8%
Return on equity 19.3% 20.5% 45.7%
Return on assets 8.1% 11.2% 9.1%
Return on invested capital – 14.6% 25.6%
Return on capital employed – 17.1% 31.2%
Asset turnover 0.8x 1.3x 1.6x
Cash conversion (OCF / net income) 1.1x 0.9x 1.0x
Stock comp / revenue 0.4% 0.3% –

Financial Health

11 metrics
MetricAASTLDCSTM
Debt / assets – 23.6% 31.7%
Debt / equity – 0.4x 1.5x
Net debt / EBITDA – 1.0x 1.2x
Debt / FCF – 3.8x 8.8x
Liabilities / assets 59.5% 44.8% 79.3%
Equity / assets 40.5% 55.2% 20.7%
Interest coverage – 18.4x 10.5x
Current ratio 2.3x 3.1x 1.4x
Quick ratio – 1.4x 0.6x
Cash ratio – 0.4x 0.1x
Altman Z-score – 6.07 2.96

Shareholder Returns

7 metrics
MetricAASTLDCSTM
Dividend yield 1.3% 0.8% –
Net buyback yield – 2.4% 3.4%
Shareholder yield 1.3% 3.2% 3.4%
Payout ratio (earnings) 7.0% 15.3% –
Payout ratio (FCF) – 27.2% –
Dividend growth (1Y) 1.9% 3.4% –
Dividend CAGR (3Y) 14.3% 4.4% –

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.

ConsensusAASTLDCSTM
Forward P/E 6.1xFY2026 14.4xFY2026 5.9xFY2026
EPS, next fiscal year $6.50FY2026 $17.11FY2026 $4.18FY2026
EPS growth, next FY +72.4%FY2026 +114.1%FY2026 +237.1%FY2026
EPS growth, the year after -11.4% +20.9% -32.3%
Revenue, next fiscal year $13.74BFY2026 $22.96BFY2026 $10.71BFY2026
Revenue growth, next FY +7.1%FY2026 +26.3%FY2026 +26.8%FY2026
Revenue growth, the year after +13.8% +15.9% +1.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAASTLDCSTM
Held by institutions 77.8% 82.7% 88.6%
Institutions holding 709 1,022 384
Change in shares held, QoQ +2.9% +1.2% -4.5%
Institutions buying 357 501 255
Institutions selling 242 370 108
Buyers to sellers 1.48 1.35 2.36

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.

AASTLDCSTM
AA 1.00 0.40 0.55
STLD 0.40 1.00 0.53
CSTM 0.55 0.53 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AA, STLD and CSTM?

Steel Dynamics (STLD) is the largest by market capitalisation: Alcoa (AA) $10.49B, Steel Dynamics (STLD) $35.21B, Constellium Se (CSTM) $3.32B.

Which stock is cheaper, AA, STLD and CSTM?

Constellium Se (CSTM) trades on the lowest price-to-earnings ratio (Alcoa (AA) 6.9x, Steel Dynamics (STLD) 18.0x, Constellium Se (CSTM) 6.1x). On next year's consensus earnings, Constellium Se (CSTM) is cheapest (Alcoa (AA) 6.1x, Steel Dynamics (STLD) 14.4x, Constellium Se (CSTM) 5.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Steel Dynamics (STLD) grew revenue fastest over the trailing twelve months: Alcoa (AA) +11.2%, Steel Dynamics (STLD) +26.0%, Constellium Se (CSTM) +25.9%.

Which company is more profitable?

Steel Dynamics (STLD) has the highest net margin (Steel Dynamics (STLD) 8.8%, Constellium Se (CSTM) 5.7%). On return on invested capital, Constellium Se (CSTM) leads (Steel Dynamics (STLD) 14.6%, Constellium Se (CSTM) 25.6%).

Which stock has performed better?

Over the past year Steel Dynamics (STLD) returned the most: Alcoa (AA) +0.1%, Steel Dynamics (STLD) +56.2%, Constellium Se (CSTM) +45.6%. Over five years, Steel Dynamics (STLD) compounded fastest (Alcoa (AA) -3.0%/yr, Steel Dynamics (STLD) +30.4%/yr, Constellium Se (CSTM) +5.2%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Alcoa (AA) has the highest dividend yield: Alcoa (AA) 0.01%, Steel Dynamics (STLD) 0.01%, Constellium Se (CSTM) 0.00%. Constellium Se (CSTM) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Steel Dynamics (STLD) has been the steadiest (Alcoa (AA) 53.5%, Steel Dynamics (STLD) 36.1%, Constellium Se (CSTM) 44.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AA, STLD and CSTM?

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