KORU vs. MUU

Last updated Jun 26, 2026

KORU (Direxion Daily South Korea Bull 3X Shares) and MUU (Direxion Daily MU Bull 2X Shares) are both Leveraged Equities funds from Direxion - KORU tracks the MSCI Korea 25-50 Index while MUU tracks the Micron Technology, Inc. (200% Daily). Both are passively managed. Their correlation of 0.86 suggests significant overlap in exposure. KORU charges 1.29%/yr vs 1.01%/yr for MUU.

Performance

KORU vs. MUU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Direxion Daily South Korea Bull 3X Shares (KORU) and Direxion Daily MU Bull 2X Shares (MUU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

KORU

• 1D: 11.85%
• 1M: -18.31%
• YTD: 356.66%
• 6M: 393.86%
• 1Y: 905.39%
• 3Y*: 110.38%
• 5Y*: 14.71%
• 10Y*: 17.17%

MUU

• 1D: 31.07%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

KORU vs. MUU - Yearly Performance Comparison

	2026 (YTD)
KORU Direxion Daily South Korea Bull 3X Shares	-17.03%
MUU Direxion Daily MU Bull 2X Shares	14.65%

Correlation

The correlation between KORU and MUU is 0.86, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 16, 2026	0.86

Return for Risk

KORU vs. MUU — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

KORU

KORU Risk / Return Rank: 95
KORU Sharpe Ratio Rank: 99
KORU Sortino Ratio Rank: 90
KORU Omega Ratio Rank: 92
KORU Calmar Ratio Rank: 98
KORU Martin Ratio Rank: 98

MUU

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

KORU vs. MUU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Direxion Daily South Korea Bull 3X Shares (KORU) and Direxion Daily MU Bull 2X Shares (MUU). 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.

	KORU	MUU	Difference
Sharpe ratio: Return per unit of total volatility	6.35	—	—
Sortino ratio: Return per unit of downside risk	3.61	—	—
Omega ratio: Gain probability vs. loss probability	1.53	—	—
Calmar ratio: Return relative to maximum drawdown	14.90	—	—
Martin ratio: Return relative to average drawdown	43.11	—	—

Drawdowns

KORU vs. MUU - Drawdown Comparison

The maximum KORU drawdown since its inception was -95.79%, which is greater than MUU's maximum drawdown of -26.63%. Use the drawdown chart below to compare losses from any high point for KORU and MUU.

Drawdown Indicators

	KORU	MUU	Difference
Max Drawdown Largest peak-to-trough decline	-95.79%	-26.63%	-69.16%
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 Drawdown Current decline from peak	-34.45%	-3.84%	-30.61%
Average Drawdown Average peak-to-trough decline	-57.40%	-11.62%	-45.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.18%	—	—

Volatility

Volatility by Period

	KORU	MUU	Difference
Volatility (1M) Calculated over the trailing 1-month period	88.86%	—	—
Volatility (6M) Calculated over the trailing 6-month period	139.03%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	144.03%	307.99%	-163.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	91.57%	307.99%	-216.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	83.10%	307.99%	-224.89%

KORU vs. MUU - Expense Ratio Comparison

KORU has a 1.29% expense ratio, which is higher than MUU's 1.01% expense ratio.

Dividends

KORU vs. MUU - Dividend Comparison

KORU's dividend yield for the trailing twelve months is around 0.19%, more than MUU's 0.17% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
KORU Direxion Daily South Korea Bull 3X Shares	0.19%	0.89%	4.10%	2.55%	0.48%	0.76%	0.01%	0.93%	1.40%	3.59%
MUU Direxion Daily MU Bull 2X Shares	0.17%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both KORU and MUU in my portfolio?

KORU and MUU have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, KORU or MUU?

On fees, MUU is cheaper at 1.01% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, KORU or MUU?

MUU is cheaper with a 1.01% expense ratio, compared with 1.29% for KORU.

Which ETF pays a higher dividend yield, KORU or MUU?

KORU has the higher dividend yield at 0.19%, compared with 0.17% for MUU.

What is the main difference between KORU and MUU?

KORU tracks MSCI Korea 25-50 Index, while MUU tracks Micron Technology, Inc. (200% Daily). Their fees differ too: 1.29% for KORU and 1.01% for MUU.