AA vs RTNTF vs YDDL Stock Comparison

Alcoa, Rio Tinto and One & one Green Technologies Prices as of Oct 23, 2026 Peers: Industry group
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AA Alcoa Corp
$37.93 -13.9% 1M -5.5% 1Y
Market cap
$10.21B
P/E
8.0x
Revenue (TTM)
$13.60B
Div. yield
0.01%
Aluminum Basic Materials
1 win
RTNTF Rio Tinto Ltd
$101.00 -11.9% 1M +18.8% 1Y
Market cap
$164.02B
P/E
–
Revenue (TTM)
—
Div. yield
–
Iron Ore Basic Materials
4 wins

Head to Head

5 decided of 12

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

QuestionAARTNTFYDDLLeader
Larger companyMarket capitalisation $10.21B $164.02B $62.61M RTNTF
Cheaper on earningsLower P/E, profitable companies only 8.0x — — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 6.0x 12.1x 6.1x AA
Faster revenue growthRevenue growth, trailing twelve months +6.5% — — –
More profitableNet margin, trailing twelve months 9.4% — — –
Better return on capitalReturn on invested capital 13.7% — — –
Less leveragedLower net debt / EBITDA 0.4x — — –
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -5.5% +18.8% -76.1% RTNTF
Better 5-year returnAnnualised price return, 5 years -5.1%/yr +7.6%/yr — RTNTF
Less volatileAnnualised volatility, 1 year 53.4% 45.3% 143.1% RTNTF
Higher overall scoreMean of the five percentile scores vs peers 61/100 — — –

Percentile Scorecard

AARTNTFYDDL

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

AxisAARTNTFYDDL
Valuation 86 #23 of 162 – –
Growth 64 #54 of 147 – –
Profitability 60 #49 of 122 – –
Financial Health 26 #124 of 166 27 #122 of 166 57 #72 of 166
Shareholder Returns 68 #35 of 107 – –
Overall 61 – –
  • AA ranked among 176 companies in Metals and Mining
  • RTNTF ranked among 176 companies in Metals and Mining
  • YDDL ranked among 176 companies in Metals and Mining

Price Performance

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

Returns

PeriodAARTNTFYDDLSPY
1 month -13.9%-11.9%-16.4% -1.0%
3 months -14.3%-5.9%-30.3% +2.9%
6 months -42.5%-20.2%-73.6% +6.4%
Year to date -28.6%+2.1%-76.5% +11.4%
1 year -5.5%+18.8%-76.1% +13.1%
3 years +61.8%+38.0%— +79.4%
3 years, per year +17.4%+11.3%— +21.5%
5 years -23.0%+44.3%— +67.7%
5 years, per year -5.1%+7.6%— +10.9%
10 years +76.2%+159.9%— +255.2%
10 years, per year +5.8%+10.0%— +13.5%

Risk

MeasureAARTNTFYDDLSPY
Volatility, 1Y 53.4%45.3%143.1% 12.7%
Downside volatility, 1Y 53.2%66.0%156.9% 12.7%
Beta vs S&P 500, 1Y 1.600.88-0.09 1.00
Return / volatility, 1Y -0.100.42-0.53 1.03
Max drawdown, 5Y -76.3%-41.4%-92.6% -25.4%
From 52-week high -54.7%-24.3%-92.0% -2.5%
52-week high $83.79$133.44$15.34 $779.14
52-week low $35.26$81.39$1.13 $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.

MultipleAARTNTFYDDL
P/E now vs peer median 7.8xmedian 12.7x —median 12.7x —median 12.7x
P/S now vs peer median 0.7xmedian 3.1x —median 3.1x —median 3.1x
EV/EBITDA now vs peer median 5.6xmedian 6.9x —median 6.9x —median 6.9x
P/FCF now vs peer median 28.4xmedian 15.1x —median 15.1x —median 15.1x
P/B now vs peer median 1.4xmedian 2.1x 2.3xmedian 2.1x 1.2xmedian 2.1x
PEG now vs peer median 0.21median 0.27 —median 0.27 —median 0.27

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 monthsAARTNTFYDDL
Revenue $13.60B – –
Gross profit $2.56B – –
Operating income $1.29B – –
Net income $1.25B – –
Free cash flow $352.00M – –
R&D $21.00M – –
EPS (diluted) $4.80 – –
Cash & equivalents $1.35B $8.91B $2.71M
Total debt $9.68B $78.67B –
Shares (diluted) 266.00M 1.64B 52.40M
Enterprise value $4.42B $133.06B $56.97M

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
MetricAARTNTFYDDL
P/E 7.8x – –
P/FCF 28.4x – –
P/Operating cash flow 9.5x – –
P/S 0.7x – –
P/B 1.4x 2.3x 1.2x
P/Tangible book 1.4x 2.5x 1.2x
EV/EBITDA 5.6x – –
EV/EBIT 8.4x – –
EV/Revenue 0.8x – –
EV/FCF 30.9x – –
EV/Operating cash flow 10.4x – –
PEG (3Y EPS CAGR) 0.21 – –

Growth

14 metrics
MetricAARTNTFYDDL
Revenue growth (1Y) 6.5% – –
Revenue CAGR (3Y) 7.8% – –
Gross profit growth (1Y) -0.9% – –
Gross profit CAGR (3Y) 55.1% – –
Operating income growth (1Y) -38.0% – –
Operating income CAGR (3Y) 75.4% – –
Net income growth (1Y) 24.7% – –
Net income CAGR (3Y) 41.1% – –
EPS growth (1Y) 24.3% – –
EPS CAGR (3Y) 37.1% – –
Operating cash flow growth (1Y) -6.2% – –
Operating cash flow CAGR (3Y) 140.0% – –
Free cash flow growth (1Y) -39.5% – –
Free cash flow CAGR (3Y) 41.5% – –

Profitability

14 metrics
MetricAARTNTFYDDL
Gross margin 18.8% – –
EBITDA margin 14.3% – –
Operating margin 9.5% – –
Pretax margin 8.9% – –
Net margin 9.4% – –
FCF margin 2.6% – –
Operating cash flow margin 7.7% – –
Return on equity 17.6% – –
Return on assets 7.4% – –
Return on invested capital 13.7% – –
Return on capital employed 10.0% – –
Asset turnover 0.8x – –
Cash conversion (OCF / net income) 0.8x – –
Stock comp / revenue 0.4% – –

Financial Health

11 metrics
MetricAARTNTFYDDL
Debt / assets 13.2% 16.3% –
Debt / equity 0.3x 0.3x –
Net debt / EBITDA 0.4x – –
Debt / FCF 6.3x – –
Liabilities / assets 56.3% 46.3% 22.5%
Equity / assets 43.7% 53.7% 77.5%
Interest coverage 10.8x – –
Current ratio 1.5x 1.4x 4.2x
Quick ratio 0.8x 0.9x 2.7x
Cash ratio 0.4x 0.6x 0.2x
Altman Z-score 1.88 – –

Shareholder Returns

7 metrics
MetricAARTNTFYDDL
Dividend yield 1.1% – –
Net buyback yield – – –
Shareholder yield 1.1% 0.0% –
Payout ratio (earnings) 8.4% – –
Payout ratio (FCF) 29.8% – –
Dividend growth (1Y) 1.0% – –
Dividend CAGR (3Y) 13.9% – –

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.

ConsensusAARTNTFYDDL
Forward P/E 6.0xFY2026 12.1xFY2026 6.1xFY2026
EPS, next fiscal year $6.30FY2026 $8.33FY2026 $0.20FY2026
EPS growth, next FY +67.1%FY2026 +24.5%FY2026 -13.0%FY2026
EPS growth, the year after -1.7% -3.7% +35.0%
Revenue, next fiscal year $13.77BFY2026 $66.06BFY2026 $80.47MFY2026
Revenue growth, next FY +7.3%FY2026 +14.6%FY2026 +22.3%FY2026
Revenue growth, the year after +15.5% -4.0% +22.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAARTNTFYDDL
Held by institutions 77.8% – –
Institutions holding 709 – –
Change in shares held, QoQ +2.9% – –
Institutions buying 357 – –
Institutions selling 242 – –
Buyers to sellers 1.48 – –

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.

AARTNTFYDDL
AA 1.00 0.13 0.02
RTNTF 0.13 1.00 0.03
YDDL 0.02 0.03 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AA, RTNTF and YDDL?

Rio Tinto (RTNTF) is the largest by market capitalisation: Alcoa (AA) $10.21B, Rio Tinto (RTNTF) $164.02B, One & one Green Technologies (YDDL) $62.61M.

Which stock has performed better?

Over the past year Rio Tinto (RTNTF) returned the most: Alcoa (AA) -5.5%, Rio Tinto (RTNTF) +18.8%, One & one Green Technologies (YDDL) -76.1%. Over five years, Rio Tinto (RTNTF) compounded fastest (Alcoa (AA) -5.1%/yr, Rio Tinto (RTNTF) +7.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Alcoa (AA) 0.01%, Rio Tinto (RTNTF) 0.00%, One & one Green Technologies (YDDL) 0.00%. Rio Tinto (RTNTF) and One & one Green Technologies (YDDL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Rio Tinto (RTNTF) has been the steadiest (Alcoa (AA) 53.4%, Rio Tinto (RTNTF) 45.3%, One & one Green Technologies (YDDL) 143.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AA, RTNTF and YDDL?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rio Tinto (RTNTF) leads on 4. 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.