GGB vs GMTL vs RIO Stock Comparison

Gerdau, Guardian Metal Resources and Rio Tinto Prices as of Oct 28, 2026 Peers: Industry group
GGB Gerdau S.A.
$4.52 -5.4% 1M +30.6% 1Y
Market cap
$9.06B
P/E
16.8x
Revenue (TTM)
$17.11B
Div. yield
3.32%
Steel Basic Materials
2 wins
RIO Rio Tinto Plc
$85.93 -9.0% 1M +19.4% 1Y
Market cap
$139.47B
P/E
–
Revenue (TTM)
—
Div. yield
5.41%
Iron Ore Basic Materials
4 wins

Head to Head

6 decided of 12

Rio Tinto leads on 4 of the 12 questions below (Rio Tinto 4, Gerdau 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionGGBGMTLRIOLeader
Larger companyMarket capitalisation $9.06B $276.25M $139.47B RIO
Cheaper on earningsLower P/E, profitable companies only 16.8x -27.5x — –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 7.8x — 11.0x GGB
Faster revenue growthRevenue growth, trailing twelve months +103.8% — — –
More profitableNet margin, trailing twelve months 3.2% — — –
Better return on capitalReturn on invested capital 11.6% — — –
Less leveragedLower net debt / EBITDA -0.4x — — –
Higher dividend yieldTrailing dividend yield 3.32% — 5.41% RIO
Better 1-year returnPrice return, last 12 months +30.6% — +19.4% GGB
Better 5-year returnAnnualised price return, 5 years +3.8%/yr — +6.3%/yr RIO
Less volatileAnnualised volatility, 1 year 37.1% 91.1% 30.7% RIO
Higher overall scoreMean of the five percentile scores vs peers 67/100 — — –

Percentile Scorecard

GGBGMTLRIO

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

AxisGGBGMTLRIO
Valuation 91 #15 of 162 31 #112 of 162 –
Growth 35 #96 of 147 – –
Profitability 61 #48 of 122 – –
Financial Health 53 #78 of 164 95 #9 of 164 22 #128 of 164
Shareholder Returns 93 #8 of 107 – 98 #3 of 107
Overall 67 – –
  • GGB ranked among 176 companies in Metals and Mining
  • GMTL ranked among 176 companies in Metals and Mining
  • RIO 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

PeriodGGBGMTLRIOSPY
1 month -5.4%-48.0%-9.0% +0.9%
3 months -7.2%-47.8%-8.3% +5.9%
6 months +2.0%-72.1%-10.9% +8.5%
Year to date +22.5%—+7.4% +13.3%
1 year +30.6%—+19.4% +12.4%
3 years +24.4%—+34.8% +88.1%
3 years, per year +7.6%—+10.5% +23.5%
5 years +20.4%—+35.8% +68.2%
5 years, per year +3.8%—+6.3% +11.0%
10 years +67.5%—+148.9% +263.4%
10 years, per year +5.3%—+9.5% +13.8%

Risk

MeasureGGBGMTLRIOSPY
Volatility, 1Y 37.1%91.1%30.7% 12.7%
Downside volatility, 1Y 39.1%91.8%32.1% 12.7%
Beta vs S&P 500, 1Y 1.212.261.27 1.00
Return / volatility, 1Y 0.83—0.63 0.98
Max drawdown, 5Y -55.8%-76.8%-39.0% -25.4%
From 52-week high -13.7%-76.8%-23.3% -0.9%
52-week high $5.24$20.64$112.04 $779.14
52-week low $3.26$4.78$67.89 $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.

MultipleGGBGMTLRIO
P/E now vs peer median 16.8xmedian 13.4x -27.5xmedian 13.4x —median 13.4x
P/S now vs peer median 0.5xmedian 3.2x —median 3.2x —median 3.2x
EV/EBITDA now vs peer median 3.6xmedian 7.3x —median 7.3x —median 7.3x
P/FCF now vs peer median 65.3xmedian 14.8x -45.9xmedian 14.8x —median 14.8x
P/B now vs peer median 0.9xmedian 2.3x 3.0xmedian 2.3x 2.1xmedian 2.3x
PEG now vs peer median 4.63median 0.31 —median 0.31 —median 0.31

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 monthsGGBGMTLRIO
Revenue $17.11B – –
Gross profit $1.99B – –
Operating income $1.59B – –
Net income $546.25M – –
Free cash flow $138.65M – –
EPS (diluted) $0.42 – –
Cash & equivalents $1.09B $52.46M $8.87B
Total debt $309.89M – $16.90B
Shares (diluted) 1.29B 57.79M 1.63B
Enterprise value $4.42B $223.79M $99.97B

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
MetricGGBGMTLRIO
P/E 16.8x -27.5x –
P/FCF 65.3x -45.9x –
P/Operating cash flow 5.3x – –
P/S 0.5x – –
P/B 0.9x 3.0x 2.1x
P/Tangible book 0.9x 5.3x 2.3x
EV/EBITDA 3.6x – –
EV/EBIT 5.1x – –
EV/Revenue 0.5x – –
EV/FCF 58.6x – –
EV/Operating cash flow 4.8x – –
PEG (3Y EPS CAGR) 4.63 – –

Growth

14 metrics
MetricGGBGMTLRIO
Revenue growth (1Y) 103.8% – –
Revenue CAGR (3Y) 1.6% – –
Gross profit growth (1Y) 39.0% – –
Gross profit CAGR (3Y) -7.2% – –
Operating income growth (1Y) 51.0% – –
Operating income CAGR (3Y) -30.5% – –
Net income growth (1Y) -27.3% – –
Net income CAGR (3Y) -30.2% – –
EPS growth (1Y) 8.0% – –
EPS CAGR (3Y) 3.6% – –
Operating cash flow growth (1Y) 25.9% – –
Operating cash flow CAGR (3Y) -2.6% – –
Free cash flow growth (1Y) -77.0% – –
Free cash flow CAGR (3Y) -52.1% – –

Profitability

14 metrics
MetricGGBGMTLRIO
Gross margin 11.6% – –
EBITDA margin 13.3% – –
Operating margin 9.3% – –
Pretax margin 3.8% – –
Net margin 3.2% – –
FCF margin 0.8% – –
Operating cash flow margin 9.9% – –
Return on equity 3.5% – –
Return on assets 2.3% – –
Return on invested capital 11.6% – –
Return on capital employed 11.4% – –
Asset turnover 1.1x – –
Cash conversion (OCF / net income) 3.1x – –
Stock comp / revenue 0.2% – –

Financial Health

11 metrics
MetricGGBGMTLRIO
Debt / assets 1.9% – –
Debt / equity 0.0x – 0.3x
Net debt / EBITDA -0.4x – –
Debt / FCF 2.2x – –
Liabilities / assets 34.9% 3.7% –
Equity / assets 65.1% 96.3% –
Interest coverage 4.1x – –
Current ratio 2.9x 15.3x 1.4x
Quick ratio 1.2x 14.8x 1.0x
Cash ratio 0.6x 14.4x 0.6x
Altman Z-score 3.01 – –

Shareholder Returns

7 metrics
MetricGGBGMTLRIO
Dividend yield 3.3% – 5.4%
Net buyback yield 3.7% – –
Shareholder yield 7.0% – 5.4%
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.

ConsensusGGBGMTLRIO
Forward P/E 7.8xFY2026 – 11.0xFY2026
EPS, next fiscal year $0.58FY2026 $-0.25FY2027 $7.84FY2026
EPS growth, next FY +346.2%FY2026 – +17.2%FY2026
EPS growth, the year after +3.4% – +9.1%
Revenue, next fiscal year $14.44BFY2026 $0.00FY2027 $67.58BFY2026
Revenue growth, next FY +6.5%FY2026 – +17.2%FY2026
Revenue growth, the year after -4.1% – -8.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersGGBGMTLRIO
Held by institutions 18.0% 10.6% 7.9%
Institutions holding 211 47 968
Change in shares held, QoQ +17.1% +16.7% -1.1%
Institutions buying 119 36 504
Institutions selling 52 10 283
Buyers to sellers 2.29 3.60 1.78

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.

GGBGMTLRIO
GGB 1.00 0.11 0.46
GMTL 0.11 1.00 0.36
RIO 0.46 0.36 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, GGB, GMTL and RIO?

Rio Tinto (RIO) is the largest by market capitalisation: Gerdau (GGB) $9.06B, Guardian Metal Resources (GMTL) $276.25M, Rio Tinto (RIO) $139.47B.

Which stock has performed better?

Over the past year Gerdau (GGB) returned the most: Gerdau (GGB) +30.6%, Rio Tinto (RIO) +19.4%. Over five years, Rio Tinto (RIO) compounded fastest (Gerdau (GGB) +3.8%/yr, Rio Tinto (RIO) +6.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Rio Tinto (RIO) has the highest dividend yield: Gerdau (GGB) 3.32%, Rio Tinto (RIO) 5.41%. Guardian Metal Resources (GMTL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Rio Tinto (RIO) has been the steadiest (Gerdau (GGB) 37.1%, Guardian Metal Resources (GMTL) 91.1%, Rio Tinto (RIO) 30.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, GGB, GMTL and RIO?

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 (RIO) 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.