ERO vs. ARIS
ERO (Ero Copper Corp) and ARIS (Aris Water Solutions, Inc.) are both stocks. ERO operates in Copper (Basic Materials), while ARIS operates in Utilities - Regulated Water (Utilities). Over the past 3 years, ERO returned 7.17%/yr vs 82.13%/yr for ARIS. At a 0.43 correlation, their price movements are largely independent.
Performance
ERO vs. ARIS - Performance Comparison
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Returns By Period
In the year-to-date period, ERO achieves a -9.58% return, which is significantly higher than ARIS's -10.29% return.
ERO
- 1D
- 2.08%
- 1M
- -7.65%
- 6M
- -12.61%
- YTD
- -9.58%
- 1Y
- 69.40%
- 3Y*
- 7.17%
- 5Y*
- 4.29%
- 10Y*
- —
ARIS
- 1D
- -1.29%
- 1M
- -3.58%
- 6M
- -12.61%
- YTD
- -10.29%
- 1Y
- 106.52%
- 3Y*
- 82.13%
- 5Y*
- —
- 10Y*
- —
ERO vs. ARIS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ERO Ero Copper Corp | -9.58% | 109.87% | -14.63% | 14.84% | -10.07% | -23.74% |
ARIS Aris Water Solutions, Inc. | -10.29% | 363.71% | 6.54% | 31.93% | -39.60% | 1.33% |
Correlation
The correlation between ERO and ARIS is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.43 |
Correlation (All Time) Calculated using the full available price history since Oct 22, 2021 | 0.43 |
The correlation between ERO and ARIS has been stable across timeframes, ranging from 0.43 to 0.50 - a consistent structural relationship.
Fundamentals
ERO:
$2.67B
ARIS:
$3.01B
ERO:
$2.79
ARIS:
$0.85
ERO:
9.16
ARIS:
17.19
ERO:
0.10
ARIS:
0.34
ERO:
2.89
ARIS:
2.61
ERO:
2.44
ARIS:
1.94
ERO:
$925.20M
ARIS:
$1.14B
ERO:
$394.67M
ARIS:
$612.94M
ERO:
$528.87M
ARIS:
$432.53M
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Return for Risk
ERO vs. ARIS — Risk / Return Rank
ERO
ARIS
ERO vs. ARIS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Ero Copper Corp (ERO) and Aris Water Solutions, Inc. (ARIS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ERO | ARIS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.86 | ||
| Sortino ratioReturn per unit of downside risk | -0.63 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.33 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 1.94 | 3.71 | -1.77 |
| Martin ratioReturn relative to average drawdown | 4.11 | 10.23 | -6.12 |
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Drawdowns
ERO vs. ARIS - Drawdown Comparison
The maximum ERO drawdown since its inception was -67.17%, which is greater than ARIS's maximum drawdown of -57.98%. Use the drawdown chart below to compare losses from any high point for ERO and ARIS.
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Drawdown Indicators
| ERO | ARIS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.17% | -57.98% | -9.19% |
Max Drawdown (1Y)Largest decline over 1 year | -37.97% | -35.29% | -2.68% |
Max Drawdown (3Y)Largest decline over 3 years | -59.84% | -35.29% | -24.55% |
Max Drawdown (5Y)Largest decline over 5 years | -60.24% | — | — |
Current DrawdownCurrent decline from peak | -32.74% | -32.75% | +0.01% |
Average DrawdownAverage peak-to-trough decline | -27.05% | -22.75% | -4.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 17.91% | 12.01% | +5.90% |
Volatility
ERO vs. ARIS - Volatility Comparison
The current volatility for Ero Copper Corp (ERO) is 19.21%, while Aris Water Solutions, Inc. (ARIS) has a volatility of 21.89%. This indicates that ERO experiences smaller price fluctuations and is considered to be less risky than ARIS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ERO | ARIS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.21% | 21.89% | -2.68% |
Volatility (6M)Calculated over the trailing 6-month period | 48.83% | 47.67% | +1.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 57.64% | 61.12% | -3.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 55.15% | 53.45% | +1.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 59.39% | 53.45% | +5.94% |
Dividends
ERO vs. ARIS - Dividend Comparison
Neither ERO nor ARIS has paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
ARIS Aris Water Solutions, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 3.84% | 0.85% |
ERO Ero Copper Corp | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
ERO vs. ARIS - Financials Comparison
This section allows you to compare key financial metrics between Ero Copper Corp and Aris Water Solutions, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ERO vs. ARIS - Profitability Comparison
ERO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Ero Copper Corp reported a gross profit of 103.33M and revenue of 259.52M. Therefore, the gross margin over that period was 39.8%.
ARIS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Aris Water Solutions, Inc. reported a gross profit of 217.03M and revenue of 372.48M. Therefore, the gross margin over that period was 58.3%.
ERO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Ero Copper Corp reported an operating income of 90.17M and revenue of 259.52M, resulting in an operating margin of 34.7%.
ARIS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Aris Water Solutions, Inc. reported an operating income of 179.05M and revenue of 372.48M, resulting in an operating margin of 48.1%.
ERO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Ero Copper Corp reported a net income of 107.26M and revenue of 259.52M, resulting in a net margin of 41.3%.
ARIS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Aris Water Solutions, Inc. reported a net income of 97.61M and revenue of 372.48M, resulting in a net margin of 26.2%.
Frequently Asked Questions
ERO and ARIS have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ARIS has higher volatility (21.89%) compared to ERO (19.21%). In terms of maximum drawdown, ERO dropped -67.17% vs ARIS's -57.98%.
ARIS currently has the higher Sharpe Ratio (2.14 vs 1.28), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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