BU vs. KORU
BU (Defiance Daily Target 2X Long B ETF) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds. BU is actively managed, while KORU is passively managed. At a 0.41 correlation, their price movements are largely independent. Both charge a 1.29% expense ratio.
Performance
BU vs. KORU - Performance Comparison
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Returns By Period
In the year-to-date period, BU achieves a -29.80% return, which is significantly lower than KORU's 285.56% return.
BU
- 1D
- 0.00%
- 1M
- -6.46%
- YTD
- -29.80%
- 6M
- -36.49%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
KORU
- 1D
- -35.70%
- 1M
- -10.30%
- YTD
- 285.56%
- 6M
- 341.44%
- 1Y
- 858.44%
- 3Y*
- 100.70%
- 5Y*
- 11.21%
- 10Y*
- 14.49%
BU vs. KORU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BU Defiance Daily Target 2X Long B ETF | -29.80% | 27.72% |
KORU Direxion Daily South Korea Bull 3X Shares | 285.56% | 24.17% |
Correlation
The correlation between BU and KORU is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Nov 19, 2025 | 0.41 |
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Return for Risk
BU vs. KORU — Risk / Return Rank
BU
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
KORU
BU vs. KORU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Defiance Daily Target 2X Long B ETF (BU) 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.
| BU | KORU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.53 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 14.12 | — |
| Martin ratioReturn relative to average drawdown | — | 41.38 | — |
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Drawdowns
BU vs. KORU - Drawdown Comparison
The maximum BU drawdown since its inception was -53.98%, smaller than the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for BU and KORU.
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Drawdown Indicators
| BU | KORU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.98% | -95.79% | +41.81% |
Max Drawdown (1Y)Largest decline over 1 year | — | -61.39% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -73.34% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -93.34% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -95.79% | — |
Current DrawdownCurrent decline from peak | -51.59% | -44.66% | -6.93% |
Average DrawdownAverage peak-to-trough decline | -27.44% | -57.41% | +29.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 20.91% | — |
Volatility
BU vs. KORU - Volatility Comparison
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Volatility by Period
| BU | KORU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 92.27% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 138.63% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 95.37% | 144.16% | -48.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 95.37% | 91.40% | +3.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 95.37% | 83.03% | +12.34% |
BU vs. KORU - Expense Ratio Comparison
Both BU and KORU have an expense ratio of 1.29%.
Dividends
BU vs. KORU - Dividend Comparison
BU has not paid dividends to shareholders, while KORU's dividend yield for the trailing twelve months is around 0.24%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
BU Defiance Daily Target 2X Long B ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
KORU Direxion Daily South Korea Bull 3X Shares | 0.24% | 0.89% | 4.10% | 2.55% | 0.48% | 0.76% | 0.01% | 0.93% | 1.40% | 3.59% |
Frequently Asked Questions
BU and KORU have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
Both ETFs have the same 1.29% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
BU and KORU have the same expense ratio: 1.29% per year.
KORU has the higher dividend yield at 0.24%, compared with 0.00% for BU.
They also come from different issuers: Defiance and Direxion.
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