Ero Copper (ERO) vs MP Materials (MP)
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 MP Materials (MP) over the past year, gaining 68.4% versus a loss of 37.2%. Over five years, ERO leads with a +75.6% price change compared with +36.3% for MP. MP Materials is the larger company by market cap ($8.25 billion vs $3.84 billion), about 2.1 times the size.
On valuation, Ero Copper trades at a lower forward P/E (7.5x vs 56.3x for MP Materials).
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 | MP |
|---|---|---|
| Share price | $36.78 | $46.31 |
| Market cap | $3.84B | $8.25B |
| 1-day change | -3.03% | -4.57% |
| YTD return | +30.01% | -8.33% |
| 1-year return | +68.41% | -37.22% |
| 5-year return | +75.56% | +36.29% |
| P/E ratio (TTM) | 12.47 | — |
| Forward P/E | 7.53 | 56.27 |
| EPS (TTM) | $2.95 | $-0.33 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | — | $224.44M |
| Revenue growth (YoY) | — | +10.10% |
| Net income (latest FY) | — | $-85.87M |
| Gross margin | — | 14.10% |
| Operating margin | — | -66.55% |
| Net margin | — | -38.26% |
| 52-week high | $40.83 | $100.25 |
| 52-week low | $19.10 | $37.81 |
| Distance from 52-week high | -9.92% | -53.81% |
| Analyst consensus | buy | strong_buy |
| Avg. price target upside | +10.74% | +57.63% |
| Average volume | 1.32M | 5.85M |
| Shares outstanding | 104.30M | 178.10M |
| Employees | — | 998 |
| 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
- MP Materials is about 2.1 times larger than Ero Copper by market value ($8.25B vs $3.84B).
- ERO has outperformed MP by 105.6 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 MP Materials
MP stock →MP Materials Corp., together with its subsidiaries, produces rare earth materials in the Western Hemisphere. It operates in two segments, Materials and Magnetics.
Basic Materials · Metal Mining · 998 employees
ERO vs MP FAQ
Which is bigger, Ero Copper or MP Materials?
MP Materials (MP) is larger, with a market capitalization of $8.25B compared with $3.84B for Ero Copper (ERO).
Which stock has performed better over the past year, ERO or MP?
ERO returned +68.41% over the past 12 months, compared with -37.22% for MP (price return, excluding dividends). Past performance does not predict future results.
Are Ero Copper and MP Materials in the same industry?
Yes. Both are classified in the Metal Mining industry within the Basic Materials sector.