GGB vs PKX vs RTNTF Stock Comparison

Gerdau, Posco Holdings and Rio Tinto Prices as of Oct 23, 2026 Peers: Industry group
GGB Gerdau S.A.
$5.09 +4.1% 1M +50.6% 1Y
Market cap
$9.55B
P/E
22.0x
Revenue (TTM)
$11.69B
Div. yield
–
Steel Basic Materials
5 wins
PKX Posco Holdings Inc.
$51.39 -8.8% 1M -4.4% 1Y
Market cap
$3.83B
P/E
4.0x
Revenue (TTM)
$37.16B
Div. yield
–
Steel Basic Materials
3 wins
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
2 wins

Head to Head

10 decided of 12

Gerdau leads on 5 of the 12 questions below (Gerdau 5, Posco Holdings 3, Rio Tinto 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionGGBPKXRTNTFLeader
Larger companyMarket capitalisation $9.55B $3.83B $164.02B RTNTF
Cheaper on earningsLower P/E, profitable companies only 22.0x 4.0x — PKX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 8.9x 10.7x 12.1x GGB
Faster revenue growthRevenue growth, trailing twelve months +7.3% -27.8% — GGB
More profitableNet margin, trailing twelve months 3.7% 2.5% — GGB
Better return on capitalReturn on invested capital 0.0% 3.0% — PKX
Less leveragedLower net debt / EBITDA -0.4x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +50.6% -4.4% +18.8% GGB
Better 5-year returnAnnualised price return, 5 years +6.5%/yr -4.6%/yr +7.6%/yr RTNTF
Less volatileAnnualised volatility, 1 year 36.3% 45.1% 45.3% GGB
Higher overall scoreMean of the five percentile scores vs peers 62/100 68/100 — PKX

Percentile Scorecard

GGBPKXRTNTF

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

AxisGGBPKXRTNTF
Valuation 96 #8 of 162 88 #21 of 162 –
Growth 17 #122 of 147 40 #89 of 147 –
Profitability 53 #58 of 122 50 #61 of 122 –
Financial Health 53 #79 of 166 79 #36 of 166 27 #122 of 166
Shareholder Returns 92 #10 of 107 85 #17 of 107 –
Overall 62 68 –
  • GGB ranked among 176 companies in Metals and Mining
  • PKX ranked among 176 companies in Metals and Mining
  • RTNTF 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

PeriodGGBPKXRTNTFSPY
1 month +4.1%-8.8%-11.9% -1.0%
3 months +6.0%-1.8%-5.9% +2.9%
6 months +18.1%-26.7%-20.2% +6.4%
Year to date +37.9%-3.4%+2.1% +11.4%
1 year +50.6%-4.4%+18.8% +13.1%
3 years +41.7%-42.0%+38.0% +79.4%
3 years, per year +12.3%-16.6%+11.3% +21.5%
5 years +37.0%-21.1%+44.3% +67.7%
5 years, per year +6.5%-4.6%+7.6% +10.9%
10 years +92.0%-3.8%+159.9% +255.2%
10 years, per year +6.7%-0.4%+10.0% +13.5%

Risk

MeasureGGBPKXRTNTFSPY
Volatility, 1Y 36.3%45.1%45.3% 12.7%
Downside volatility, 1Y 37.5%43.2%66.0% 12.7%
Beta vs S&P 500, 1Y 1.241.430.88 1.00
Return / volatility, 1Y 1.39-0.100.42 1.03
Max drawdown, 5Y -55.8%-69.8%-41.4% -25.4%
From 52-week high -2.9%-44.0%-24.3% -2.5%
52-week high $5.24$91.72$133.44 $779.14
52-week low $3.26$48.69$81.39 $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.

MultipleGGBPKXRTNTF
P/E now vs peer median 23.5xmedian 12.7x 4.1xmedian 12.7x —median 12.7x
P/S now vs peer median 0.9xmedian 3.1x 0.1xmedian 3.1x —median 3.1x
EV/EBITDA now vs peer median 4.7xmedian 6.9x —median 6.9x —median 6.9x
P/FCF now vs peer median 40.6xmedian 15.1x -0.9xmedian 15.1x —median 15.1x
P/B now vs peer median 1.0xmedian 2.1x 0.1xmedian 2.1x 2.3xmedian 2.1x
PEG now vs peer median -2.90median 0.27 -15.95median 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 monthsGGBPKXRTNTF
Revenue $11.69B $37.16B –
Gross profit $1.73B $3.86B –
Operating income $1.34B $1.39B –
Net income $546.67M $1.47B –
Free cash flow $251.31M -$4.45B –
EPS (diluted) $0.34 $12.52 –
Cash & equivalents $994.88M – $8.91B
Total debt $2.94B $749.60M $78.67B
Shares (diluted) 1.29B 75.62M 1.64B
Enterprise value $4.23B $3.83B $133.06B

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
MetricGGBPKXRTNTF
P/E 23.5x 4.1x –
P/FCF 40.6x -0.9x –
P/Operating cash flow 6.0x – –
P/S 0.9x 0.1x –
P/B 1.0x 0.1x 2.3x
P/Tangible book 1.0x 0.1x 2.5x
EV/EBITDA 4.7x – –
EV/EBIT 7.1x 3.3x –
EV/Revenue 0.8x 0.1x –
EV/FCF 37.7x -1.0x –
EV/Operating cash flow 5.5x – –
PEG (3Y EPS CAGR) -2.90 -15.95 –

Growth

14 metrics
MetricGGBPKXRTNTF
Revenue growth (1Y) 7.3% -27.8% –
Revenue CAGR (3Y) -11.4% -15.1% –
Gross profit growth (1Y) 15.1% 0.1% –
Gross profit CAGR (3Y) -15.0% -2.3% –
Operating income growth (1Y) 19.6% 49.9% –
Operating income CAGR (3Y) -38.6% -38.2% –
Net income growth (1Y) -34.1% 297.8% –
Net income CAGR (3Y) -33.5% 7.9% –
EPS growth (1Y) -19.6% 163.2% –
EPS CAGR (3Y) -8.1% -0.3% –
Operating cash flow growth (1Y) -8.2% – –
Operating cash flow CAGR (3Y) -4.7% – –
Free cash flow growth (1Y) -77.2% 27.9% –
Free cash flow CAGR (3Y) -42.1% -34.8% –

Profitability

14 metrics
MetricGGBPKXRTNTF
Gross margin 14.8% 10.4% –
EBITDA margin 17.2% – –
Operating margin 11.5% 3.7% –
Pretax margin 0.1% 3.5% –
Net margin 3.7% 2.5% –
FCF margin 2.1% -12.0% –
Operating cash flow margin 14.6% – –
Return on equity 2.4% 3.4% –
Return on assets 1.6% 3.1% –
Return on invested capital 0.0% 3.0% –
Return on capital employed 9.8% 4.1% –
Asset turnover 0.7x 1.1x –
Cash conversion (OCF / net income) 3.1x – –
Stock comp / revenue 2.4% – –

Financial Health

11 metrics
MetricGGBPKXRTNTF
Debt / assets 2.5% 2.2% 16.3%
Debt / equity 0.0x 0.0x 0.3x
Net debt / EBITDA -0.4x – –
Debt / FCF 1.6x -0.2x –
Liabilities / assets 34.7% 7.7% 46.3%
Equity / assets 65.3% 92.3% 53.7%
Interest coverage 3.5x 0.5x –
Current ratio 2.9x – 1.4x
Quick ratio 1.1x – 0.9x
Cash ratio 0.6x – 0.6x
Altman Z-score 2.80 – –

Shareholder Returns

7 metrics
MetricGGBPKXRTNTF
Dividend yield 2.9% 3.0% –
Net buyback yield 2.9% – –
Shareholder yield 5.9% 3.0% 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.

ConsensusGGBPKXRTNTF
Forward P/E 8.9xFY2026 10.7xFY2026 12.1xFY2026
EPS, next fiscal year $0.57FY2026 $4.79FY2026 $8.33FY2026
EPS growth, next FY +338.5%FY2026 +237.3%FY2026 +24.5%FY2026
EPS growth, the year after +1.8% +15.0% -3.7%
Revenue, next fiscal year $14.33BFY2026 $51.81BFY2026 $66.06BFY2026
Revenue growth, next FY +5.7%FY2026 +6.9%FY2026 +14.6%FY2026
Revenue growth, the year after -4.1% +3.5% -4.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersGGBPKXRTNTF
Held by institutions 18.0% 17.7% –
Institutions holding 211 181 –
Change in shares held, QoQ +17.1% +38.2% –
Institutions buying 119 131 –
Institutions selling 52 30 –
Buyers to sellers 2.29 4.37 –

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.

GGBPKXRTNTF
GGB 1.00 0.40 0.17
PKX 0.40 1.00 0.15
RTNTF 0.17 0.15 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, GGB, PKX and RTNTF?

Rio Tinto (RTNTF) is the largest by market capitalisation: Gerdau (GGB) $9.55B, Posco Holdings (PKX) $3.83B, Rio Tinto (RTNTF) $164.02B.

Which stock is cheaper, GGB, PKX and RTNTF?

Posco Holdings (PKX) trades on the lowest price-to-earnings ratio (Gerdau (GGB) 22.0x, Posco Holdings (PKX) 4.0x). On next year's consensus earnings, Gerdau (GGB) is cheapest (Gerdau (GGB) 8.9x, Posco Holdings (PKX) 10.7x, Rio Tinto (RTNTF) 12.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Gerdau (GGB) grew revenue fastest over the trailing twelve months: Gerdau (GGB) +7.3%, Posco Holdings (PKX) -27.8%.

Which company is more profitable?

Gerdau (GGB) has the highest net margin (Gerdau (GGB) 3.7%, Posco Holdings (PKX) 2.5%). On return on invested capital, Posco Holdings (PKX) leads (Gerdau (GGB) 0.0%, Posco Holdings (PKX) 3.0%).

Which stock has performed better?

Over the past year Gerdau (GGB) returned the most: Gerdau (GGB) +50.6%, Posco Holdings (PKX) -4.4%, Rio Tinto (RTNTF) +18.8%. Over five years, Rio Tinto (RTNTF) compounded fastest (Gerdau (GGB) +6.5%/yr, Posco Holdings (PKX) -4.6%/yr, Rio Tinto (RTNTF) +7.6%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Gerdau (GGB) has been the steadiest (Gerdau (GGB) 36.3%, Posco Holdings (PKX) 45.1%, Rio Tinto (RTNTF) 45.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, GGB, PKX and RTNTF?

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