Ero Copper (ERO) vs TMC the metals company (TMC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Ero Copper (ERO) has outperformed TMC the metals company (TMC) over the past year, gaining 68.4% versus a loss of 62.1%. Over five years, ERO leads with a +75.6% price change compared with -5.1% for TMC. Ero Copper is the larger company by market cap ($3.84 billion vs $1.55 billion), about 2.5 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ERO | TMC |
|---|---|---|
| Share price | $36.78 | $3.52 |
| Market cap | $3.84B | $1.55B |
| 1-day change | -3.03% | -4.86% |
| YTD return | +30.01% | -42.95% |
| 1-year return | +68.41% | -62.07% |
| 5-year return | +75.56% | -5.12% |
| P/E ratio (TTM) | 12.47 | — |
| Forward P/E | 7.53 | — |
| EPS (TTM) | $2.95 | $-0.73 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $40.83 | $11.35 |
| 52-week low | $19.10 | $3.40 |
| Distance from 52-week high | -9.92% | -68.99% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +10.74% | +209.66% |
| Average volume | 1.32M | 5.23M |
| Shares outstanding | 104.30M | 441.14M |
| Employees | — | 48 |
| Sector | Basic Materials | Basic Materials |
| Industry | Metal Mining | Metal Mining |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Ero Copper is about 2.5 times larger than TMC the metals company by market value ($3.84B vs $1.55B).
- ERO has outperformed TMC by 130.5 percentage points over the past year.
About Ero Copper
ERO stock →Ero Copper Corp. engages in the exploration, development, and production of mining projects in Brazil.
Basic Materials · Metal Mining
About TMC the metals company
TMC stock →TMC the metals company Inc., a deep-sea minerals exploration company, focuses on the collection, processing, and refining of polymetallic nodules found on the seafloor in California. It primarily explores for nickel, cobalt, copper, and manganese products.
Basic Materials · Metal Mining · 48 employees
ERO vs TMC FAQ
Which is bigger, Ero Copper or TMC the metals company?
Ero Copper (ERO) is larger, with a market capitalization of $3.84B compared with $1.55B for TMC the metals company (TMC).
Which stock has performed better over the past year, ERO or TMC?
ERO returned +68.41% over the past 12 months, compared with -62.07% for TMC (price return, excluding dividends). Past performance does not predict future results.
Are Ero Copper and TMC the metals company in the same industry?
Yes. Both are classified in the Metal Mining industry within the Basic Materials sector.