CENX vs. EWY
CENX (Century Aluminum Company) is a stock, while EWY (iShares MSCI South Korea ETF) is Asia Pacific Equities fund tracking the MSCI Korea Index. Over the past 10 years, CENX returned 22.40%/yr vs 16.60%/yr for EWY. At a 0.39 correlation, their price movements are largely independent.
Performance
CENX vs. EWY - Performance Comparison
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Returns By Period
In the year-to-date period, CENX achieves a 20.80% return, which is significantly lower than EWY's 97.70% return. Over the past 10 years, CENX has outperformed EWY with an annualized return of 22.40%, while EWY has yielded a comparatively lower 16.60% annualized return.
CENX
- 1D
- -4.44%
- 1M
- -27.24%
- YTD
- 20.80%
- 6M
- 21.45%
- 1Y
- 175.49%
- 3Y*
- 75.34%
- 5Y*
- 29.99%
- 10Y*
- 22.40%
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%
CENX vs. EWY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CENX Century Aluminum Company | 20.80% | 115.04% | 50.08% | 48.41% | -50.60% | 50.14% | 46.77% | 2.80% | -62.78% | 129.44% |
EWY iShares MSCI South Korea ETF | 97.70% | 95.33% | -20.48% | 19.05% | -26.59% | -7.58% | 39.43% | 7.97% | -20.37% | 44.97% |
Correlation
The correlation between CENX and EWY is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.29 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.33 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.37 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.36 |
Correlation (All Time) Calculated using the full available price history since May 12, 2000 | 0.39 |
The correlation between CENX and EWY shifts across timeframes, from 0.29 (1 year) to 0.39 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
CENX vs. EWY — Risk / Return Rank
CENX
EWY
CENX vs. EWY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Century Aluminum Company (CENX) 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.
| CENX | EWY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.00 | ||
| Sortino ratioReturn per unit of downside risk | -0.63 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.54 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | 5.66 | 7.98 | -2.32 |
| Martin ratioReturn relative to average drawdown | 19.66 | 27.66 | -8.00 |
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Drawdowns
CENX vs. EWY - Drawdown Comparison
The maximum CENX drawdown since its inception was -98.67%, which is greater than EWY's maximum drawdown of -74.14%. Use the drawdown chart below to compare losses from any high point for CENX and EWY.
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Drawdown Indicators
| CENX | EWY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.67% | -74.14% | -24.53% |
Max Drawdown (1Y)Largest decline over 1 year | -31.18% | -23.08% | -8.10% |
Max Drawdown (3Y)Largest decline over 3 years | -42.77% | -27.36% | -15.41% |
Max Drawdown (5Y)Largest decline over 5 years | -82.10% | -48.55% | -33.55% |
Max Drawdown (10Y)Largest decline over 10 years | -87.51% | -49.73% | -37.78% |
Current DrawdownCurrent decline from peak | -40.83% | -12.32% | -28.51% |
Average DrawdownAverage peak-to-trough decline | -61.09% | -20.10% | -40.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.96% | 6.65% | +2.31% |
Volatility
CENX vs. EWY - Volatility Comparison
The current volatility for Century Aluminum Company (CENX) is 22.48%, while iShares MSCI South Korea ETF (EWY) has a volatility of 29.47%. This indicates that CENX 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
| CENX | EWY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 22.48% | 29.47% | -6.99% |
Volatility (6M)Calculated over the trailing 6-month period | 47.80% | 45.53% | +2.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 64.00% | 49.00% | +15.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 72.22% | 31.00% | +41.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 70.65% | 28.43% | +42.22% |
Dividends
CENX vs. EWY - Dividend Comparison
CENX 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CENX Century Aluminum Company | 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
CENX and EWY have a correlation of 0.29, 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 CENX (22.48%). In terms of maximum drawdown, CENX dropped -98.67% vs EWY's -74.14%.
EWY currently has the higher Sharpe Ratio (3.76 vs 2.76), 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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