IAG vs. ERO
IAG (IAMGOLD Corporation) and ERO (Ero Copper Corp) are both stocks. Both are in the Basic Materials sector — IAG in Gold, ERO in Copper. Over the past 5 years, IAG returned 35.17%/yr vs 4.57%/yr for ERO. At a 0.32 correlation, their price movements are largely independent.
Performance
IAG vs. ERO - Performance Comparison
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Returns By Period
In the year-to-date period, IAG achieves a 0.97% return, which is significantly lower than ERO's 3.89% return.
IAG
- 1D
- 3.16%
- 1M
- -11.39%
- YTD
- 0.97%
- 6M
- 5.11%
- 1Y
- 120.82%
- 3Y*
- 80.32%
- 5Y*
- 35.17%
- 10Y*
- 16.20%
ERO
- 1D
- 6.10%
- 1M
- -5.13%
- YTD
- 3.89%
- 6M
- 16.30%
- 1Y
- 87.56%
- 3Y*
- 14.46%
- 5Y*
- 4.57%
- 10Y*
- —
IAG vs. ERO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IAG IAMGOLD Corporation | 0.97% | 219.57% | 103.95% | -1.94% | -17.57% | -14.71% | -1.61% | 1.36% | -36.88% | 1.57% |
ERO Ero Copper Corp | 3.89% | 109.87% | -14.63% | 14.84% | -10.07% | -5.73% | -10.97% | 151.68% | 21.41% | 52.76% |
Correlation
The correlation between IAG and ERO is 0.56, 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 | 0.56 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.47 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.44 |
Correlation (All Time) Calculated using the full available price history since Oct 23, 2017 | 0.32 |
Over the past year, IAG and ERO have become more correlated (0.56) than their long-term average of 0.32, meaning their price movements have been converging.
Fundamentals
IAG:
$9.89B
ERO:
$3.09B
IAG:
$1.73
ERO:
$2.80
IAG:
9.63
ERO:
10.51
IAG:
0.06
ERO:
0.11
IAG:
2.84
ERO:
3.32
IAG:
2.28
ERO:
2.80
IAG:
$3.42B
ERO:
$925.20M
IAG:
$1.64B
ERO:
$394.67M
IAG:
$1.97B
ERO:
$528.87M
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Return for Risk
IAG vs. ERO — Risk / Return Rank
IAG
ERO
IAG vs. ERO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for IAMGOLD Corporation (IAG) and Ero Copper Corp (ERO). 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.
| IAG | ERO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.45 | ||
| Sortino ratioReturn per unit of downside risk | +0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.31 | 1.26 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 3.07 | 2.32 | +0.75 |
| Martin ratioReturn relative to average drawdown | 7.68 | 4.95 | +2.73 |
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Drawdowns
IAG vs. ERO - Drawdown Comparison
The maximum IAG drawdown since its inception was -95.55%, which is greater than ERO's maximum drawdown of -67.17%. Use the drawdown chart below to compare losses from any high point for IAG and ERO.
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Drawdown Indicators
| IAG | ERO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.55% | -67.17% | -28.38% |
Max Drawdown (1Y)Largest decline over 1 year | -39.60% | -37.97% | -1.63% |
Max Drawdown (3Y)Largest decline over 3 years | -39.60% | -59.84% | +20.24% |
Max Drawdown (5Y)Largest decline over 5 years | -73.69% | -63.89% | -9.80% |
Max Drawdown (10Y)Largest decline over 10 years | -86.46% | — | — |
Current DrawdownCurrent decline from peak | -32.23% | -22.72% | -9.51% |
Average DrawdownAverage peak-to-trough decline | -56.18% | -27.04% | -29.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.80% | 17.75% | -1.95% |
Volatility
IAG vs. ERO - Volatility Comparison
The current volatility for IAMGOLD Corporation (IAG) is 20.86%, while Ero Copper Corp (ERO) has a volatility of 26.23%. This indicates that IAG experiences smaller price fluctuations and is considered to be less risky than ERO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IAG | ERO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.86% | 26.23% | -5.37% |
Volatility (6M)Calculated over the trailing 6-month period | 49.19% | 47.36% | +1.83% |
Volatility (1Y)Calculated over the trailing 1-year period | 61.99% | 58.06% | +3.93% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 60.55% | 55.03% | +5.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 58.65% | 59.38% | -0.73% |
Dividends
IAG vs. ERO - Dividend Comparison
Neither IAG nor ERO has paid dividends to shareholders.
Financials
IAG vs. ERO - Financials Comparison
This section allows you to compare key financial metrics between IAMGOLD Corporation and Ero Copper Corp. 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
IAG vs. ERO - Profitability Comparison
IAG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, IAMGOLD Corporation reported a gross profit of 570.70M and revenue of 1.03B. Therefore, the gross margin over that period was 55.4%.
ERO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 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%.
IAG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, IAMGOLD Corporation reported an operating income of 544.70M and revenue of 1.03B, resulting in an operating margin of 52.9%.
ERO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ero Copper Corp reported an operating income of 90.17M and revenue of 259.52M, resulting in an operating margin of 34.7%.
IAG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, IAMGOLD Corporation reported a net income of 379.70M and revenue of 1.03B, resulting in a net margin of 36.9%.
ERO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Ero Copper Corp reported a net income of 107.26M and revenue of 259.52M, resulting in a net margin of 41.3%.
Frequently Asked Questions
IAG and ERO have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ERO has higher volatility (26.23%) compared to IAG (20.86%). In terms of maximum drawdown, IAG dropped -95.55% vs ERO's -67.17%.
IAG currently has the higher Sharpe Ratio (1.96 vs 1.52), 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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