EFU vs. KORU
EFU (ProShares UltraShort MSCI EAFE) and KORU (Direxion Daily MSCI South Korea Bull 3X Shares) are both exchange-traded funds - EFU is a Leveraged Equities fund tracking the MSCI EAFE Index (-200%), while KORU is a South Korea Equities fund tracking the MSCI Korea 25/50 Index. Both are passively managed. Over the past 10 years, EFU returned -19.65%/yr vs 2.54%/yr for KORU. Their -0.62 correlation means they have often moved in opposite directions in the past. EFU charges 0.95%/yr vs 1.32%/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 -21.36% return, which is significantly lower than KORU's 74.82% return. Over the past 10 years, EFU has underperformed KORU with an annualized return of -19.65%, while KORU has yielded a comparatively higher 2.54% annualized return.
EFU
- 1D
- -0.66%
- 1M
- -3.30%
- 6M
- -12.53%
- YTD
- -21.36%
- 1Y
- -35.56%
- 3Y*
- -25.18%
- 5Y*
- -16.16%
- 10Y*
- -19.65%
- ALL TIME*
- -19.09%
KORU
- 1D
- 5.87%
- 1M
- -41.38%
- 6M
- -5.76%
- YTD
- 74.82%
- 1Y
- 326.36%
- 3Y*
- 52.12%
- 5Y*
- -3.49%
- 10Y*
- 2.54%
- ALL TIME*
- -0.80%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $26.57K | $37.75K | $56.26K | |
| $701.92M | $755.38M | $782.78M |
EFU vs. KORU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
EFU ProShares UltraShort MSCI EAFE | -21.36% | -41.07% | -1.04% | -25.36% | 24.26% | -24.58% | -35.54% | -32.71% | 32.32% | -36.87% |
KORU Direxion Daily MSCI South Korea Bull 3X Shares | 74.82% | 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 -0.58, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.58 |
Correlation (3Y) Balances recent behavior with more history. | -0.59 |
Correlation (5Y) Shows whether the relationship held over a longer period. | -0.64 |
Correlation (10Y) Provides a long-term view across more market conditions. | -0.63 |
Correlation (All Time) Calculated using the full available price history since Apr 10, 2013 | -0.62 |
The correlation between EFU and KORU has been stable across timeframes, ranging from -0.64 to -0.58 - 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 MSCI 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.
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.
| EFU | KORU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.16 | ||
| Sortino ratioReturn per unit of downside risk | -4.19 | ||
| Omega ratioGain probability vs. loss probability | 0.82 | 1.36 | -0.54 |
| Calmar ratioReturn relative to maximum drawdown | -1.04 | 4.06 | -5.11 |
| Martin ratioReturn relative to average drawdown | -1.67 | 11.13 | -12.79 |
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Drawdowns
EFU vs. KORU - Drawdown Comparison
The maximum EFU drawdown since its inception was -99.39%, 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 | -99.39% | -95.79% | -3.60% |
Max Drawdown (1Y)Largest decline over 1 year | -34.17% | -80.90% | +46.73% |
Max Drawdown (3Y)Largest decline over 3 years | -65.69% | -80.90% | +15.21% |
Max Drawdown (5Y)Largest decline over 5 years | -76.39% | -92.74% | +16.35% |
Max Drawdown (10Y)Largest decline over 10 years | -89.39% | -95.79% | +6.40% |
Current DrawdownCurrent decline from peak | -99.39% | -74.91% | -24.48% |
Average DrawdownAverage peak-to-trough decline | -87.22% | -57.45% | -29.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.06% | 29.49% | -6.43% |
Volatility
EFU vs. KORU - Volatility Comparison
The current volatility for ProShares UltraShort MSCI EAFE (EFU) is 9.16%, while Direxion Daily MSCI South Korea Bull 3X Shares (KORU) has a volatility of 65.03%. 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 | 9.16% | 65.03% | -55.87% |
Volatility (6M)Calculated over the trailing 6-month period | 28.75% | 154.04% | -125.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 32.55% | 159.66% | -127.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.67% | 96.62% | -62.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.62% | 85.86% | -52.24% |
EFU vs. KORU - Expense Ratio Comparison
EFU has a 0.95% expense ratio, which is lower than KORU's 1.32% expense ratio.
Dividends
EFU vs. KORU - Dividend Comparison
EFU's dividend yield for the trailing twelve months is around 5.21%, more than KORU's 0.50% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
EFU ProShares UltraShort MSCI EAFE | 5.21% | 5.57% | 3.87% | 6.41% | 1.47% | 0.00% | 0.06% | 0.95% | 0.17% | 0.00% |
KORU Direxion Daily MSCI South Korea Bull 3X Shares | 0.50% | 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 -0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KORU has higher volatility (65.03%) compared to EFU (9.16%). In terms of maximum drawdown, EFU dropped -99.39% vs KORU's -95.79%.
On 10-year performance, KORU leads with 2.54% vs -19.65% for EFU. On fees, EFU is cheaper at 0.95% per year. On volatility, EFU has been the lower-risk option at 9.16%. 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 2.54% return vs -19.65%. 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 1.32% for KORU.
EFU has the higher dividend yield at 5.21%, compared with 0.50% for KORU.
EFU is categorized as Leveraged Equities, while KORU is South Korea Equities. 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 1.32% for KORU.
KORU currently has the higher Sharpe Ratio (2.06 vs -1.10), 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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