SIJ vs. KORU
SIJ (ProShares UltraShort Industrials) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds - SIJ tracks the DJ Global United States (All) / Industrials -IND (-200%) while KORU tracks the MSCI Korea 25-50 Index. Both are passively managed. Over the past 10 years, SIJ returned -28.32%/yr vs 15.15%/yr for KORU. At a correlation of -0.48, they often move in opposite directions. SIJ charges 0.95%/yr vs 1.29%/yr for KORU.
Performance
SIJ vs. KORU - Performance Comparison
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Returns By Period
In the year-to-date period, SIJ achieves a -25.33% return, which is significantly lower than KORU's 308.29% return. Over the past 10 years, SIJ has underperformed KORU with an annualized return of -28.32%, while KORU has yielded a comparatively higher 15.15% annualized return.
SIJ
- 1D
- 4.06%
- 1M
- -5.37%
- YTD
- -25.33%
- 6M
- -23.44%
- 1Y
- -34.59%
- 3Y*
- -29.64%
- 5Y*
- -19.68%
- 10Y*
- -28.32%
KORU
- 1D
- 5.90%
- 1M
- -5.01%
- YTD
- 308.29%
- 6M
- 341.55%
- 1Y
- 789.62%
- 3Y*
- 104.57%
- 5Y*
- 12.17%
- 10Y*
- 15.15%
SIJ vs. KORU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SIJ ProShares UltraShort Industrials | -25.33% | -29.33% | -21.63% | -24.18% | 18.15% | -34.31% | -54.09% | -45.12% | 20.55% | -36.32% |
KORU Direxion Daily South Korea Bull 3X Shares | 308.29% | 432.73% | -62.18% | 28.61% | -70.16% | -33.86% | 48.78% | 5.47% | -59.89% | 167.08% |
Correlation
The correlation between SIJ and KORU is -0.38, 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 | -0.38 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.44 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.50 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.49 |
Correlation (All Time) Calculated using the full available price history since Apr 10, 2013 | -0.48 |
The correlation between SIJ and KORU shifts across timeframes, from -0.50 (5 years) to -0.38 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
SIJ vs. KORU — Risk / Return Rank
SIJ
KORU
SIJ vs. KORU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Industrials (SIJ) 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.
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.
| SIJ | KORU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -6.59 | ||
| Sortino ratioReturn per unit of downside risk | -4.95 | ||
| Omega ratioGain probability vs. loss probability | 0.83 | 1.51 | -0.68 |
| Calmar ratioReturn relative to maximum drawdown | -0.93 | 12.99 | -13.92 |
| Martin ratioReturn relative to average drawdown | -1.69 | 37.77 | -39.47 |
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Drawdowns
SIJ vs. KORU - Drawdown Comparison
The maximum SIJ drawdown since its inception was -99.93%, roughly equal to the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for SIJ and KORU.
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Drawdown Indicators
| SIJ | KORU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.93% | -95.79% | -4.14% |
Max Drawdown (1Y)Largest decline over 1 year | -37.24% | -61.39% | +24.15% |
Max Drawdown (3Y)Largest decline over 3 years | -71.47% | -73.34% | +1.87% |
Max Drawdown (5Y)Largest decline over 5 years | -77.76% | -93.34% | +15.58% |
Max Drawdown (10Y)Largest decline over 10 years | -96.73% | -95.79% | -0.94% |
Current DrawdownCurrent decline from peak | -99.93% | -41.40% | -58.53% |
Average DrawdownAverage peak-to-trough decline | -86.76% | -57.41% | -29.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 20.46% | 21.07% | -0.61% |
Volatility
SIJ vs. KORU - Volatility Comparison
The current volatility for ProShares UltraShort Industrials (SIJ) is 12.66%, while Direxion Daily South Korea Bull 3X Shares (KORU) has a volatility of 92.24%. This indicates that SIJ 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
| SIJ | KORU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.66% | 92.24% | -79.58% |
Volatility (6M)Calculated over the trailing 6-month period | 28.11% | 138.68% | -110.57% |
Volatility (1Y)Calculated over the trailing 1-year period | 33.38% | 144.21% | -110.83% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.14% | 91.42% | -55.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 39.73% | 83.04% | -43.31% |
SIJ vs. KORU - Expense Ratio Comparison
SIJ has a 0.95% expense ratio, which is lower than KORU's 1.29% expense ratio.
Dividends
SIJ vs. KORU - Dividend Comparison
SIJ's dividend yield for the trailing twelve months is around 6.06%, more than KORU's 0.21% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
KORU Direxion Daily South Korea Bull 3X Shares | 0.21% | 0.89% | 4.10% | 2.55% | 0.48% | 0.76% | 0.01% | 0.93% | 1.40% | 3.59% |
SIJ ProShares UltraShort Industrials | 6.06% | 5.38% | 5.99% | 4.90% | 0.00% | 0.00% | 0.00% | 1.49% | 0.39% | 0.00% |
Frequently Asked Questions
SIJ and KORU 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.
KORU has higher volatility (92.24%) compared to SIJ (12.66%). In terms of maximum drawdown, SIJ dropped -99.93% vs KORU's -95.79%.
On 10-year performance, KORU leads with 15.15% vs -28.32% for SIJ. On fees, SIJ is cheaper at 0.95% per year. On volatility, SIJ has been the lower-risk option at 12.66%. 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 15.15% return vs -28.32%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SIJ is cheaper with a 0.95% expense ratio, compared with 1.29% for KORU.
SIJ has the higher dividend yield at 6.06%, compared with 0.21% for KORU.
SIJ tracks DJ Global United States (All) / Industrials -IND (-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 SIJ and 1.29% for KORU.
KORU currently has the higher Sharpe Ratio (5.55 vs -1.04), 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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