COBA vs EMAT vs ERO Stock Comparison

Chilean Cobalt, Evolution Metals & Technologies and Ero Copper Prices as of Oct 28, 2026 Peers: Industry group
COBA Chilean Cobalt Corp.
$2.15 -6.5% 1M +465.8% 1Y
Market cap
$122.91M
P/E
–
Revenue (TTM)
—
Div. yield
–
Copper Basic Materials
1 win
ERO Ero Copper Corp.
$31.11 -16.3% 1M +45.1% 1Y
Market cap
$2.99B
P/E
9.6x
Revenue (TTM)
$1.04B
Div. yield
–
Copper Basic Materials
3 wins

Head to Head

4 decided of 12

Ero Copper leads on 3 of the 12 questions below (Ero Copper 3, Chilean Cobalt 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCOBAEMATEROLeader
Larger companyMarket capitalisation $122.91M $1.04B $2.99B ERO
Cheaper on earningsLower P/E, profitable companies only -36.7x -19.4x 9.6x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 7.5x –
Faster revenue growthRevenue growth, trailing twelve months — — +94.9% –
More profitableNet margin, trailing twelve months — — 30.0% –
Better return on capitalReturn on invested capital — — 22.0% –
Less leveragedLower net debt / EBITDA — — 0.9x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +465.8% -86.6% +45.1% COBA
Better 5-year returnAnnualised price return, 5 years — — +10.8%/yr –
Less volatileAnnualised volatility, 1 year 153.8% 190.3% 62.9% ERO
Higher overall scoreMean of the five percentile scores vs peers 38/100 20/100 63/100 ERO

Percentile Scorecard

COBAEMATERO

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

AxisCOBAEMATERO
Valuation 33 #110 of 163 18 #134 of 163 58 #69 of 163
Growth 13 #129 of 148 31 #103 of 148 82 #28 of 148
Profitability 9 #112 of 123 – 77 #29 of 123
Financial Health 98 #5 of 164 13 #143 of 164 29 #116 of 164
Shareholder Returns – – 70 #33 of 108
Overall 38 20 63
  • COBA ranked among 176 companies in Metals and Mining
  • EMAT ranked among 176 companies in Metals and Mining
  • ERO 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

PeriodCOBAEMATEROSPY
1 month -6.5%-42.3%-16.3% +0.7%
3 months -17.0%-62.0%+15.0% +3.7%
6 months +5.4%-82.4%+20.3% +7.1%
Year to date -12.6%-84.7%+10.0% +12.8%
1 year +465.8%-86.6%+45.1% +11.9%
3 years —-84.4%+129.8% +85.2%
3 years, per year —-46.2%+32.0% +22.8%
5 years ——+66.7% +67.6%
5 years, per year ——+10.8% +10.9%

Risk

MeasureCOBAEMATEROSPY
Volatility, 1Y 153.8%190.3%62.9% 12.7%
Downside volatility, 1Y 149.9%159.4%63.9% 12.6%
Beta vs S&P 500, 1Y -1.020.462.43 1.00
Return / volatility, 1Y 3.03-0.450.72 0.94
Max drawdown, 5Y -89.5%-93.7%-59.8% -25.4%
From 52-week high -28.6%-92.1%-23.0% -1.2%
52-week high $3.01$21.29$40.40 $779.14
52-week low $0.30$1.35$19.89 $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.

MultipleCOBAEMATERO
P/E now vs peer median -36.7xmedian 13.2x -19.5xmedian 13.2x 10.3xmedian 13.2x
P/S now vs peer median —median 3.1x 638.5xmedian 3.1x 3.1xmedian 3.1x
EV/EBITDA now vs peer median —median 7.2x —median 7.2x 7.0xmedian 7.2x
P/FCF now vs peer median -96.3xmedian 15.2x —median 15.2x -12.1xmedian 15.2x
P/B now vs peer median 26.7xmedian 2.2x -55.4xmedian 2.2x 2.7xmedian 2.2x
PEG now vs peer median 1.36median 0.30 -0.56median 0.30 0.20median 0.30

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 monthsCOBAEMATERO
Revenue – – $1.04B
Gross profit – – $449.15M
Operating income -$1.54M -$15.92M $379.69M
Net income -$3.35M -$53.55M $315.31M
Free cash flow -$1.29M – -$268.65M
R&D $101.94K – –
EPS (diluted) $-0.06 $-0.09 $3.01
Cash & equivalents $3.02M $5.25M $101.74M
Total debt – $6.18M $2.38B
Shares (diluted) 57.17M 621.76M 104.13M
Enterprise value $115.05M $1.02B $2.63B

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
MetricCOBAEMATERO
P/E -36.7x -19.5x 10.3x
P/FCF -96.3x – -12.1x
P/Operating cash flow -96.3x – –
P/S – 638.5x 3.1x
P/B 26.7x -55.4x 2.7x
P/Tangible book 26.7x -41.4x 2.7x
EV/EBITDA – – 7.0x
EV/EBIT -78.8x -65.7x 9.7x
EV/Revenue – – 3.5x
EV/FCF -93.9x – -13.8x
EV/Operating cash flow -93.9x – –
PEG (3Y EPS CAGR) 1.36 -0.56 0.20

Growth

14 metrics
MetricCOBAEMATERO
Revenue growth (1Y) – – 94.9%
Revenue CAGR (3Y) – – 36.8%
Gross profit growth (1Y) – – 96.2%
Gross profit CAGR (3Y) – – 42.6%
Operating income growth (1Y) -44.0% -258.6% 120.6%
Operating income CAGR (3Y) -7.8% – 54.3%
Net income growth (1Y) -217.7% 10.2% 118.8%
Net income CAGR (3Y) -39.9% -208.9% 57.4%
EPS growth (1Y) -141.7% 34.3% 118.9%
EPS CAGR (3Y) -27.0% 34.5% 51.3%
Operating cash flow growth (1Y) -44.0% – –
Operating cash flow CAGR (3Y) -14.2% – –
Free cash flow growth (1Y) -44.0% – 32.3%
Free cash flow CAGR (3Y) -14.2% – -11.3%

Profitability

14 metrics
MetricCOBAEMATERO
Gross margin – – 43.0%
EBITDA margin – – 50.6%
Operating margin – – 36.3%
Pretax margin – – 37.2%
Net margin – – 30.0%
FCF margin – – -25.7%
Operating cash flow margin – – –
Return on equity -93.1% – 38.3%
Return on assets -90.7% -91.1% 21.0%
Return on invested capital – – 22.0%
Return on capital employed -43.3% – –
Asset turnover – – 0.5x
Cash conversion (OCF / net income) 0.4x – –
Stock comp / revenue – – 1.9%

Financial Health

11 metrics
MetricCOBAEMATERO
Debt / assets – 6.5% 25.7%
Debt / equity – -0.3x 0.5x
Net debt / EBITDA – – 0.9x
Debt / FCF – – -2.1x
Liabilities / assets 2.7% 119.8% 43.7%
Equity / assets 97.3% -19.8% 56.3%
Interest coverage – – 8.2x
Current ratio 24.8x 0.2x –
Quick ratio 23.4x 0.2x –
Cash ratio 23.4x 0.1x –
Altman Z-score – – –

Shareholder Returns

7 metrics
MetricCOBAEMATERO
Dividend yield – – –
Net buyback yield – – -0.3%
Shareholder yield – – -0.3%
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.

ConsensusCOBAEMATERO
Forward P/E – – 7.5xFY2026
EPS, next fiscal year – $-0.43FY2026 $4.16FY2026
EPS growth, next FY – – +96.2%FY2026
EPS growth, the year after – – +20.4%
Revenue, next fiscal year – $15.71MFY2026 $1.24BFY2026
Revenue growth, next FY – +124.4%FY2026 +57.4%FY2026
Revenue growth, the year after – +2,427.0% +5.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCOBAEMATERO
Held by institutions – – 67.3%
Institutions holding – – 209
Change in shares held, QoQ – – +1.2%
Institutions buying – – 125
Institutions selling – – 60
Buyers to sellers – – 2.08

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.

COBAEMATERO
COBA 1.00 0.09 -0.02
EMAT 0.09 1.00 0.10
ERO -0.02 0.10 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, COBA, EMAT and ERO?

Ero Copper (ERO) is the largest by market capitalisation: Chilean Cobalt (COBA) $122.91M, Evolution Metals & Technologies (EMAT) $1.04B, Ero Copper (ERO) $2.99B.

Which stock has performed better?

Over the past year Chilean Cobalt (COBA) returned the most: Chilean Cobalt (COBA) +465.8%, Evolution Metals & Technologies (EMAT) -86.6%, Ero Copper (ERO) +45.1%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ero Copper (ERO) has been the steadiest (Chilean Cobalt (COBA) 153.8%, Evolution Metals & Technologies (EMAT) 190.3%, Ero Copper (ERO) 62.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, COBA, EMAT and ERO?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ero Copper (ERO) leads on 3. 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.