EFU vs. KORU
EFU (ProShares UltraShort MSCI EAFE) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds - EFU tracks the MSCI EAFE Index (-200%) while KORU tracks the MSCI Korea 25-50 Index. Both are passively managed. Over the past 10 years, EFU returned -19.60%/yr vs 19.62%/yr for KORU. At a correlation of -0.63, they often move in opposite directions. EFU charges 0.95%/yr vs 1.29%/yr for KORU.
Performance
EFU vs. KORU - Performance Comparison
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Returns By Period
In the year-to-date period, EFU achieves a -16.12% return, which is significantly lower than KORU's 559.14% return. Over the past 10 years, EFU has underperformed KORU with an annualized return of -19.60%, while KORU has yielded a comparatively higher 19.62% annualized return.
EFU
- 1D
- 1.27%
- 1M
- -7.02%
- YTD
- -16.12%
- 6M
- -19.44%
- 1Y
- -30.25%
- 3Y*
- -23.88%
- 5Y*
- -15.08%
- 10Y*
- -19.60%
KORU
- 1D
- -2.29%
- 1M
- 92.47%
- YTD
- 559.14%
- 6M
- 689.29%
- 1Y
- 2,160.10%
- 3Y*
- 132.56%
- 5Y*
- 23.42%
- 10Y*
- 19.62%
EFU vs. KORU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
EFU ProShares UltraShort MSCI EAFE | -16.12% | -41.07% | -1.04% | -25.36% | 24.26% | -24.58% | -35.54% | -32.71% | 32.32% | -36.87% |
KORU Direxion Daily South Korea Bull 3X Shares | 559.14% | 432.73% | -62.18% | 28.61% | -70.16% | -33.86% | 48.78% | 5.47% | -59.89% | 167.08% |
Correlation
The correlation between EFU and KORU is -0.57, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.57 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.60 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.64 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.64 |
Correlation (All Time) Calculated using the full available price history since Apr 11, 2013 | -0.63 |
The correlation between EFU and KORU has been stable across timeframes, ranging from -0.64 to -0.57 - a consistent structural relationship.
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Return for Risk
EFU vs. KORU — Risk / Return Rank
EFU
KORU
EFU vs. KORU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort MSCI EAFE (EFU) and Direxion Daily South Korea Bull 3X Shares (KORU). 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.
| EFU | KORU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -18.61 | ||
| Sortino ratioReturn per unit of downside risk | -6.57 | ||
| Omega ratioGain probability vs. loss probability | 0.84 | 1.72 | -0.88 |
| Calmar ratioReturn relative to maximum drawdown | -0.89 | 35.65 | -36.53 |
| Martin ratioReturn relative to average drawdown | -1.50 | 112.99 | -114.50 |
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
| EFU | KORU | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.98 | 17.63 | -18.61 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.45 | 0.28 | -0.73 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.57 | 0.25 | -0.82 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.44 | 0.13 | -0.57 |
Drawdowns
EFU vs. KORU - Drawdown Comparison
The maximum EFU drawdown since its inception was -99.36%, roughly equal to the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for EFU and KORU.
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Drawdown Indicators
| EFU | KORU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.36% | -95.79% | -3.57% |
Max Drawdown (1Y)Largest decline over 1 year | -34.19% | -61.39% | +27.20% |
Max Drawdown (3Y)Largest decline over 3 years | -64.29% | -73.71% | +9.42% |
Max Drawdown (5Y)Largest decline over 5 years | -75.42% | -93.35% | +17.93% |
Max Drawdown (10Y)Largest decline over 10 years | -90.41% | -95.79% | +5.38% |
Current DrawdownCurrent decline from peak | -99.35% | -5.39% | -93.96% |
Average DrawdownAverage peak-to-trough decline | -87.13% | -57.53% | -29.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 20.14% | 19.33% | +0.81% |
Volatility
EFU vs. KORU - Volatility Comparison
The current volatility for ProShares UltraShort MSCI EAFE (EFU) is 10.10%, while Direxion Daily South Korea Bull 3X Shares (KORU) has a volatility of 60.18%. This indicates that EFU experiences smaller price fluctuations and is considered to be less risky than KORU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| EFU | KORU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.10% | 60.18% | -50.08% |
Volatility (6M)Calculated over the trailing 6-month period | 26.06% | 110.71% | -84.65% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.91% | 124.15% | -93.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.34% | 85.11% | -51.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 34.20% | 79.91% | -45.71% |
EFU vs. KORU - Expense Ratio Comparison
EFU has a 0.95% expense ratio, which is lower than KORU's 1.29% expense ratio.
Dividends
EFU vs. KORU - Dividend Comparison
EFU's dividend yield for the trailing twelve months is around 5.38%, more than KORU's 0.14% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
EFU ProShares UltraShort MSCI EAFE | 5.38% | 5.57% | 3.87% | 6.41% | 1.47% | 0.00% | 0.06% | 0.95% | 0.17% | 0.00% |
KORU Direxion Daily South Korea Bull 3X Shares | 0.14% | 0.89% | 4.10% | 2.55% | 0.48% | 0.76% | 0.01% | 0.93% | 1.40% | 3.59% |
Frequently Asked Questions
EFU and KORU have a correlation of -0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KORU has higher volatility (60.18%) compared to EFU (10.10%). In terms of maximum drawdown, EFU dropped -99.36% vs KORU's -95.79%.
On 10-year performance, KORU leads with 19.62% vs -19.60% for EFU. On fees, EFU is cheaper at 0.95% per year. On volatility, EFU has been the lower-risk option at 10.10%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, KORU has performed better with a 19.62% return vs -19.60%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
EFU is cheaper with a 0.95% expense ratio, compared with 1.29% for KORU.
EFU has the higher dividend yield at 5.38%, compared with 0.14% for KORU.
EFU tracks MSCI EAFE Index (-200%), while KORU tracks MSCI Korea 25-50 Index. They also come from different issuers: ProShares and Direxion. Their fees differ too: 0.95% for EFU and 1.29% for KORU.
KORU currently has the higher Sharpe Ratio (17.63 vs -0.98), 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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