MUU vs. MSTZ

Last updated Jul 17, 2026

MUU (Direxion Daily MU Bull 2X Shares) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - MUU is a Leveraged Equities fund tracking the Micron Technology, Inc. (200% Daily), while MSTZ is a Inverse Equities fund actively managed by REX. MUU is passively managed, while MSTZ is actively managed. Over the past year, MUU returned 2599.25% vs 299.04% for MSTZ. At a correlation of -0.29, they often move in opposite directions. MUU charges 1.01%/yr vs 1.05%/yr for MSTZ.

Performance

MUU vs. MSTZ - Performance Comparison

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

Returns By Period

In the year-to-date period, MUU achieves a 449.17% return, which is significantly higher than MSTZ's -27.52% return.

MUU

• 1D: -12.02%
• 1M: -37.86%
• 6M: 305.92%
• YTD: 449.17%
• 1Y: 2,599.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: 6.51%
• 1M: 38.88%
• 6M: -2.59%
• YTD: -27.52%
• 1Y: 299.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MUU vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MUU Direxion Daily MU Bull 2X Shares	449.17%	599.03%	-40.91%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-27.52%	-38.95%	-86.93%

Correlation

The correlation between MUU and MSTZ is -0.26, 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	-0.26
Correlation (All Time) Calculated using the full available price history since Oct 10, 2024	-0.29

Return for Risk

MUU vs. MSTZ — Risk / Return Rank

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

MUU

MUU Risk / Return Rank: 98
MUU Sharpe Ratio Rank: 100
MUU Sortino Ratio Rank: 97
MUU Omega Ratio Rank: 95
MUU Calmar Ratio Rank: 99
MUU Martin Ratio Rank: 99

MSTZ

MSTZ Risk / Return Rank: 70
MSTZ Sharpe Ratio Rank: 80
MSTZ Sortino Ratio Rank: 69
MSTZ Omega Ratio Rank: 69
MSTZ Calmar Ratio Rank: 83
MSTZ Martin Ratio Rank: 51

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. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Direxion Daily MU Bull 2X Shares (MUU) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	17.30	2.03	+15.27
Sortino ratio: Return per unit of downside risk	5.00	2.49	+2.51
Omega ratio: Gain probability vs. loss probability	1.63	1.33	+0.30
Calmar ratio: Return relative to maximum drawdown	47.69	3.55	+44.14
Martin ratio: Return relative to average drawdown	152.81	6.84	+145.97

MUU vs. MSTZ - Sharpe Ratio Comparison

The current MUU Sharpe Ratio is 17.30, which is higher than the MSTZ Sharpe Ratio of 2.03. The chart below compares the historical Sharpe Ratios of MUU and MSTZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MUU vs. MSTZ - Drawdown Comparison

The maximum MUU drawdown since its inception was -75.07%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for MUU and MSTZ.

Drawdown Indicators

	MUU	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-75.07%	-99.38%	+24.31%
Max Drawdown (1Y) Largest decline over 1 year	-55.25%	-84.89%	+29.64%
Current Drawdown Current decline from peak	-55.25%	-97.53%	+42.28%
Average Drawdown Average peak-to-trough decline	-23.62%	-94.55%	+70.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.31%	43.95%	-26.64%

Volatility

MUU vs. MSTZ - Volatility Comparison

Direxion Daily MU Bull 2X Shares (MUU) has a higher volatility of 62.52% compared to T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) at 55.03%. This indicates that MUU's price experiences larger fluctuations and is considered to be riskier than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MUU	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	62.52%	55.03%	+7.49%
Volatility (6M) Calculated over the trailing 6-month period	125.23%	134.45%	-9.22%
Volatility (1Y) Calculated over the trailing 1-year period	152.52%	148.58%	+3.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	142.32%	170.73%	-28.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	142.32%	170.73%	-28.41%

MUU vs. MSTZ - Expense Ratio Comparison

MUU has a 1.01% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

MUU vs. MSTZ - Dividend Comparison

MUU's dividend yield for the trailing twelve months is around 1.24%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025	2024
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%
MUU Direxion Daily MU Bull 2X Shares	1.24%	4.27%	0.31%

Frequently Asked Questions

Can I hold both MUU and MSTZ in my portfolio?

MUU and MSTZ have a correlation of -0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MUU or MSTZ?

MUU has higher volatility (62.52%) compared to MSTZ (55.03%). In terms of maximum drawdown, MUU dropped -75.07% vs MSTZ's -99.38%.

Which ETF is better, MUU or MSTZ?

On 1-year performance, MUU leads with 2599.25% vs 299.04% for MSTZ. On fees, MUU is cheaper at 1.01% per year. On volatility, MSTZ has been the lower-risk option at 55.03%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MUU or MSTZ?

Over the 1-year period, MUU has performed better with a 2599.25% return vs 299.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MUU or MSTZ?

MUU is cheaper with a 1.01% expense ratio, compared with 1.05% for MSTZ.

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

MUU has the higher dividend yield at 1.24%, compared with 0.00% for MSTZ.

What is the main difference between MUU and MSTZ?

MUU is categorized as Leveraged Equities, while MSTZ is Inverse Equities. They also come from different issuers: Direxion and REX. Their fees differ too: 1.01% for MUU and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MUU currently has the higher Sharpe Ratio (17.30 vs 2.03), 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.