MSII vs. MUU

Last updated Jun 4, 2026

MSII (REX MSTR Growth & Income ETF) and MUU (Direxion Daily MU Bull 2X Shares) are both Leveraged Equities funds. Both are actively managed. At a 0.25 correlation, their price movements are largely independent. MSII charges 0.99%/yr vs 1.06%/yr for MUU.

Performance

MSII vs. MUU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX MSTR Growth & Income ETF (MSII) and Direxion Daily MU Bull 2X Shares (MUU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MSII achieves a -21.10% return, which is significantly lower than MUU's 961.23% return.

MSII

• 1D: -8.30%
• 1M: -32.66%
• YTD: -21.10%
• 6M: -34.47%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MUU

• 1D: 3.08%
• 1M: 218.90%
• YTD: 961.23%
• 6M: 1,422.01%
• 1Y: 6,522.95%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MSII vs. MUU - Yearly Performance Comparison

	2026 (YTD)	2025
MSII REX MSTR Growth & Income ETF	-21.10%	-60.25%
MUU Direxion Daily MU Bull 2X Shares	961.23%	511.87%

Correlation

The correlation between MSII and MUU is 0.25, 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 Jun 5, 2025	0.25

Return for Risk

MSII vs. MUU — Risk / Return Rank

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

MUU

MUU Risk / Return Rank: 99
MUU Sharpe Ratio Rank: 100
MUU Sortino Ratio Rank: 98
MUU Omega Ratio Rank: 97
MUU Calmar Ratio Rank: 100
MUU Martin Ratio Rank: 100

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.

MSII vs. MUU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX MSTR Growth & Income ETF (MSII) 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.

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

Sharpe Ratios by Period

	MSII	MUU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	50.40	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.97	6.68	-7.65

Drawdowns

MSII vs. MUU - Drawdown Comparison

The maximum MSII drawdown since its inception was -78.73%, roughly equal to the maximum MUU drawdown of -75.07%. Use the drawdown chart below to compare losses from any high point for MSII and MUU.

Drawdown Indicators

	MSII	MUU	Difference
Max Drawdown Largest peak-to-trough decline	-78.73%	-75.07%	-3.66%
Max Drawdown (1Y) Largest decline over 1 year	—	-52.72%	—
Current Drawdown Current decline from peak	-74.38%	0.00%	-74.38%
Average Drawdown Average peak-to-trough decline	-46.16%	-23.44%	-22.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	15.51%	—

Volatility

Volatility by Period

	MSII	MUU	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	54.78%	—
Volatility (6M) Calculated over the trailing 6-month period	—	105.07%	—
Volatility (1Y) Calculated over the trailing 1-year period	71.20%	131.77%	-60.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	71.20%	133.67%	-62.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	71.20%	133.67%	-62.47%

MSII vs. MUU - Expense Ratio Comparison

MSII has a 0.99% expense ratio, which is lower than MUU's 1.06% expense ratio.

Dividends

MSII vs. MUU - Dividend Comparison

MSII's dividend yield for the trailing twelve months is around 90.41%, more than MUU's 0.46% yield.

Position	TTM	2025	2024
MSII REX MSTR Growth & Income ETF	90.41%	48.93%	0.00%
MUU Direxion Daily MU Bull 2X Shares	0.46%	4.27%	0.31%

Frequently Asked Questions

Can I hold both MSII and MUU in my portfolio?

MSII and MUU have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MSII or MUU?

On fees, MSII is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MSII or MUU?

MSII is cheaper with a 0.99% expense ratio, compared with 1.06% for MUU.

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

MSII has the higher dividend yield at 90.41%, compared with 0.46% for MUU.

What is the main difference between MSII and MUU?

They also come from different issuers: REX and Direxion. Their fees differ too: 0.99% for MSII and 1.06% for MUU.