MUU vs. KORU

Last updated Jun 24, 2026

MUU (Direxion Daily MU Bull 2X Shares) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds from Direxion - MUU tracks the Micron Technology, Inc. (200% Daily) while KORU tracks the MSCI Korea 25-50 Index. Both are passively managed. With a 1.00 correlation, they move nearly in lockstep. MUU charges 1.01%/yr vs 1.29%/yr for KORU.

Performance

MUU vs. KORU - Performance Comparison

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

Returns By Period

MUU

• 1D: -26.28%
• 1M: —
• YTD: —
• 6M: —
• 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%

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

MUU vs. KORU - Yearly Performance Comparison

	2026 (YTD)
MUU Direxion Daily MU Bull 2X Shares	-12.11%
KORU Direxion Daily South Korea Bull 3X Shares	-29.95%

Correlation

The correlation between MUU and KORU is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 16, 2026	1.00

Return for Risk

MUU vs. KORU — Risk / Return Rank

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

MUU

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

KORU

KORU Risk / Return Rank: 93
KORU Sharpe Ratio Rank: 99
KORU Sortino Ratio Rank: 84
KORU Omega Ratio Rank: 88
KORU Calmar Ratio Rank: 98
KORU Martin Ratio Rank: 97

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.

MUU vs. KORU - Risk-Adjusted Trends Comparison

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

	MUU	KORU	Difference
Sharpe ratio: Return per unit of total volatility	—	6.02	—
Sortino ratio: Return per unit of downside risk	—	3.56	—
Omega ratio: Gain probability vs. loss probability	—	1.53	—
Calmar ratio: Return relative to maximum drawdown	—	14.12	—
Martin ratio: Return relative to average drawdown	—	41.38	—

Drawdowns

MUU vs. KORU - Drawdown Comparison

The maximum MUU drawdown since its inception was -26.28%, smaller than the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for MUU and KORU.

Drawdown Indicators

	MUU	KORU	Difference
Max Drawdown Largest peak-to-trough decline	-26.28%	-95.79%	+69.51%
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	-26.28%	-44.66%	+18.38%
Average Drawdown Average peak-to-trough decline	-10.19%	-57.41%	+47.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	20.91%	—

Volatility

Volatility by Period

	MUU	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	295.32%	144.16%	+151.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	295.32%	91.40%	+203.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	295.32%	83.03%	+212.29%

MUU vs. KORU - Expense Ratio Comparison

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

Dividends

MUU vs. KORU - Dividend Comparison

MUU 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
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%
MUU Direxion Daily MU Bull 2X Shares	0.00%	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 MUU and KORU in my portfolio?

With a correlation of 1.00, MUU and KORU move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, MUU or KORU?

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, MUU or KORU?

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

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

KORU has the higher dividend yield at 0.24%, compared with 0.00% for MUU.

What is the main difference between MUU and KORU?

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