ERO vs. EWY
ERO (Ero Copper Corp) is a stock, while EWY (iShares MSCI South Korea ETF) is Asia Pacific Equities fund tracking the MSCI Korea Index. Over the past 5 years, ERO returned 6.21%/yr vs 17.96%/yr for EWY. At a 0.36 correlation, their price movements are largely independent.
Performance
ERO vs. EWY - Performance Comparison
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Returns By Period
In the year-to-date period, ERO achieves a -1.91% return, which is significantly lower than EWY's 97.70% return.
ERO
- 1D
- -8.87%
- 1M
- 2.85%
- YTD
- -1.91%
- 6M
- 1.39%
- 1Y
- 75.63%
- 3Y*
- 11.59%
- 5Y*
- 6.21%
- 10Y*
- —
EWY
- 1D
- -12.25%
- 1M
- 5.59%
- YTD
- 97.70%
- 6M
- 107.34%
- 1Y
- 183.08%
- 3Y*
- 48.30%
- 5Y*
- 17.96%
- 10Y*
- 16.60%
ERO vs. EWY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ERO Ero Copper Corp | -1.91% | 109.87% | -14.63% | 14.84% | -10.07% | -5.73% | -10.97% | 151.68% | 21.41% | 52.76% |
EWY iShares MSCI South Korea ETF | 97.70% | 95.33% | -20.48% | 19.05% | -26.59% | -7.58% | 39.43% | 7.97% | -20.37% | 6.30% |
Correlation
The correlation between ERO and EWY is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.38 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.44 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.43 |
Correlation (All Time) Calculated using the full available price history since Oct 23, 2017 | 0.36 |
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Return for Risk
ERO vs. EWY — Risk / Return Rank
ERO
EWY
ERO vs. EWY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Ero Copper Corp (ERO) and iShares MSCI South Korea ETF (EWY). 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 | EWY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.46 | ||
| Sortino ratioReturn per unit of downside risk | -1.86 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.54 | -0.31 |
| Calmar ratioReturn relative to maximum drawdown | 2.00 | 7.98 | -5.98 |
| Martin ratioReturn relative to average drawdown | 4.20 | 27.66 | -23.46 |
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Drawdowns
ERO vs. EWY - Drawdown Comparison
The maximum ERO drawdown since its inception was -67.17%, smaller than the maximum EWY drawdown of -74.14%. Use the drawdown chart below to compare losses from any high point for ERO and EWY.
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Drawdown Indicators
| ERO | EWY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.17% | -74.14% | +6.97% |
Max Drawdown (1Y)Largest decline over 1 year | -37.97% | -23.08% | -14.89% |
Max Drawdown (3Y)Largest decline over 3 years | -59.84% | -27.36% | -32.48% |
Max Drawdown (5Y)Largest decline over 5 years | -61.02% | -48.55% | -12.47% |
Max Drawdown (10Y)Largest decline over 10 years | — | -49.73% | — |
Current DrawdownCurrent decline from peak | -27.03% | -12.32% | -14.71% |
Average DrawdownAverage peak-to-trough decline | -27.02% | -20.10% | -6.92% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.06% | 6.65% | +11.41% |
Volatility
ERO vs. EWY - Volatility Comparison
The current volatility for Ero Copper Corp (ERO) is 26.46%, while iShares MSCI South Korea ETF (EWY) has a volatility of 29.47%. This indicates that ERO experiences smaller price fluctuations and is considered to be less risky than EWY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ERO | EWY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 26.46% | 29.47% | -3.01% |
Volatility (6M)Calculated over the trailing 6-month period | 48.42% | 45.53% | +2.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 58.47% | 49.00% | +9.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 54.98% | 31.00% | +23.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 59.42% | 28.43% | +30.99% |
Dividends
ERO vs. EWY - Dividend Comparison
ERO has not paid dividends to shareholders, while EWY's dividend yield for the trailing twelve months is around 1.06%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ERO Ero Copper Corp | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
EWY iShares MSCI South Korea ETF | 1.06% | 2.10% | 2.55% | 2.52% | 1.23% | 2.16% | 0.73% | 2.10% | 1.34% | 2.90% | 1.21% | 2.42% |
Frequently Asked Questions
ERO and EWY have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
EWY has higher volatility (29.47%) compared to ERO (26.46%). In terms of maximum drawdown, ERO dropped -67.17% vs EWY's -74.14%.
EWY currently has the higher Sharpe Ratio (3.76 vs 1.30), 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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