BDNNY vs. EWY
BDNNY (Boliden AB ADR) 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, BDNNY returned 17.46%/yr vs 17.46%/yr for EWY. At a 0.28 correlation, their price movements are largely independent.
Performance
BDNNY vs. EWY - Performance Comparison
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Returns By Period
In the year-to-date period, BDNNY achieves a 13.77% return, which is significantly lower than EWY's 119.05% return. Over a longer period, both investments have demonstrated similar performance, with their 10-year annualized returns being quite close: BDNNY at 17.46% and EWY at 17.46%.
BDNNY
- 1D
- -3.92%
- 1M
- 20.82%
- YTD
- 13.77%
- 6M
- 27.05%
- 1Y
- 101.20%
- 3Y*
- 24.89%
- 5Y*
- 11.42%
- 10Y*
- 17.46%
EWY
- 1D
- -0.73%
- 1M
- 30.18%
- YTD
- 119.05%
- 6M
- 134.13%
- 1Y
- 251.82%
- 3Y*
- 51.99%
- 5Y*
- 20.31%
- 10Y*
- 17.46%
BDNNY vs. EWY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BDNNY Boliden AB ADR | 13.77% | 99.12% | -9.06% | -10.79% | 2.01% | 16.35% | 40.33% | 16.52% | -32.29% | 36.21% |
EWY iShares MSCI South Korea ETF | 119.05% | 95.33% | -20.48% | 19.05% | -26.59% | -7.58% | 39.43% | 7.97% | -20.37% | 44.97% |
Correlation
The correlation between BDNNY and EWY is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.47 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.45 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.43 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.31 |
Correlation (All Time) Calculated using the full available price history since Nov 4, 2014 | 0.28 |
The correlation between BDNNY and EWY shifts across timeframes, from 0.28 (all time) to 0.47 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
BDNNY vs. EWY — Risk / Return Rank
BDNNY
EWY
BDNNY vs. EWY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Boliden AB ADR (BDNNY) 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.
| BDNNY | EWY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.86 | ||
| Sortino ratioReturn per unit of downside risk | -2.89 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.74 | -0.39 |
| Calmar ratioReturn relative to maximum drawdown | 2.55 | 10.99 | -8.44 |
| Martin ratioReturn relative to average drawdown | 7.35 | 40.91 | -33.55 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BDNNY | EWY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.16 | 6.02 | -3.86 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.26 | 0.71 | -0.45 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.49 | 0.64 | -0.15 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.47 | 0.33 | +0.14 |
Drawdowns
BDNNY vs. EWY - Drawdown Comparison
The maximum BDNNY drawdown since its inception was -55.33%, smaller than the maximum EWY drawdown of -74.14%. Use the drawdown chart below to compare losses from any high point for BDNNY and EWY.
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Drawdown Indicators
| BDNNY | EWY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.33% | -74.14% | +18.81% |
Max Drawdown (1Y)Largest decline over 1 year | -39.97% | -23.08% | -16.89% |
Max Drawdown (3Y)Largest decline over 3 years | -39.97% | -27.36% | -12.61% |
Max Drawdown (5Y)Largest decline over 5 years | -47.71% | -48.55% | +0.84% |
Max Drawdown (10Y)Largest decline over 10 years | -55.33% | -49.73% | -5.60% |
Current DrawdownCurrent decline from peak | -21.72% | -1.73% | -19.99% |
Average DrawdownAverage peak-to-trough decline | -23.92% | -20.13% | -3.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 13.81% | 6.19% | +7.62% |
Volatility
BDNNY vs. EWY - Volatility Comparison
The current volatility for Boliden AB ADR (BDNNY) is 17.11%, while iShares MSCI South Korea ETF (EWY) has a volatility of 20.32%. This indicates that BDNNY 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
| BDNNY | EWY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.11% | 20.32% | -3.21% |
Volatility (6M)Calculated over the trailing 6-month period | 42.48% | 37.41% | +5.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 47.17% | 42.10% | +5.07% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 44.61% | 28.83% | +15.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.00% | 27.37% | +21.63% |
Dividends
BDNNY vs. EWY - Dividend Comparison
BDNNY's dividend yield for the trailing twelve months is around 1.94%, more than EWY's 0.96% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BDNNY Boliden AB ADR | 1.94% | 0.00% | 2.62% | 8.16% | 7.07% | 6.73% | 1.91% | 5.22% | 0.00% | 0.00% | 0.00% | 0.00% |
EWY iShares MSCI South Korea ETF | 0.96% | 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
BDNNY and EWY have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
EWY has higher volatility (20.32%) compared to BDNNY (17.11%). In terms of maximum drawdown, BDNNY dropped -55.33% vs EWY's -74.14%.
EWY currently has the higher Sharpe Ratio (6.02 vs 2.16), 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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