Compass Minerals Intl (CMP) vs ioneer (IONR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Compass Minerals Intl (CMP) has outperformed ioneer (IONR) over the past year, gaining 18.7% versus a loss of 49.3%. Compass Minerals Intl is the larger company by market cap ($947.5 million vs $241.4 million), about 3.9 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 | CMP | IONR |
|---|---|---|
| Share price | $22.57 | $3.01 |
| Market cap | $947.51M | $241.40M |
| 1-day change | -0.57% | -3.83% |
| YTD return | +14.92% | -37.29% |
| 1-year return | +18.66% | -49.33% |
| 5-year return | -69.70% | — |
| P/E ratio (TTM) | 53.74 | — |
| Forward P/E | 17.82 | — |
| EPS (TTM) | $0.42 | $-0.16 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $34.50 | $8.20 |
| 52-week low | $16.40 | $2.79 |
| Distance from 52-week high | -34.58% | -63.29% |
| Analyst consensus | buy | — |
| Avg. price target upside | +30.70% | — |
| Average volume | 419.94K | 80.88K |
| Shares outstanding | 41.98M | 76.87M |
| Employees | 1,800 | — |
| Sector | Basic Materials | Basic Materials |
| Industry | Other Industrial Metals & Mining | Other Industrial Metals & 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
- Compass Minerals Intl is about 3.9 times larger than ioneer by market value ($947.51M vs $241.40M).
- CMP has outperformed IONR by 68.0 percentage points over the past year.
About Compass Minerals Intl
CMP stock →Compass Minerals International, Inc. provides essential minerals in the United States, Canada, the United Kingdom, and internationally.
Basic Materials · Other Industrial Metals & Mining · 1,800 employees
About ioneer
IONR stock →ioneer Ltd operates as a mineral exploration and development company in North America. It engages in the development of the Rhyolite Ridge lithium-boron project located in Nevada, the United States.
Basic Materials · Other Industrial Metals & Mining
CMP vs IONR FAQ
Which is bigger, Compass Minerals Intl or ioneer?
Compass Minerals Intl (CMP) is larger, with a market capitalization of $947.51M compared with $241.40M for ioneer (IONR).
Which stock has performed better over the past year, CMP or IONR?
CMP returned +18.66% over the past 12 months, compared with -49.33% for IONR (price return, excluding dividends). Past performance does not predict future results.
Are Compass Minerals Intl and ioneer in the same industry?
Yes. Both are classified in the Other Industrial Metals & Mining industry within the Basic Materials sector.