GOOX vs. MUU

Last updated Aug 5, 2026

GOOX (T-Rex 2X Long Alphabet Daily Target ETF) and MUU (Direxion Daily MU Bull 2X Shares) are both Leveraged Equities funds. GOOX is actively managed, while MUU is passively managed. Over the past year, GOOX returned 200.27% vs 3107.14% for MUU. Their 0.33 correlation means their historical movements had little consistent relationship. GOOX charges 1.05%/yr vs 1.01%/yr for MUU.

Performance

GOOX vs. MUU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-Rex 2X Long Alphabet Daily Target ETF (GOOX) 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, GOOX achieves a 26.02% return, which is significantly lower than MUU's 450.36% return.

GOOX

• 1D: 1.59%
• 1M: 7.84%
• 6M: 7.89%
• YTD: 26.02%
• 1Y: 200.27%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 72.21%

MUU

• 1D: 14.92%
• 1M: -26.01%
• 6M: 169.13%
• YTD: 450.36%
• 1Y: 3,107.14%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 458.96%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
GOOX T-Rex 2X Long Alphabet Daily Target ETF	$9.51M	$7.09M	$7.60M
MUU Direxion Daily MU Bull 2X Shares	$1.48B	$1.48B	$2.29B

GOOX vs. MUU - Yearly Performance Comparison

	2026 (YTD)	2025	2024
GOOX T-Rex 2X Long Alphabet Daily Target ETF	26.02%	121.41%	31.14%
MUU Direxion Daily MU Bull 2X Shares	450.36%	599.03%	-40.91%

Correlation

The correlation between GOOX and MUU is 0.27, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.27
Correlation (All Time) Calculated using the full available price history since Oct 10, 2024	0.33

Return for Risk

GOOX vs. MUU — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

GOOX

GOOX Risk / Return Rank: 91
GOOX Sharpe Ratio Rank: 96
GOOX Sortino Ratio Rank: 92
GOOX Omega Ratio Rank: 89
GOOX Calmar Ratio Rank: 94
GOOX Martin Ratio Rank: 85

MUU

MUU Risk / Return Rank: 98
MUU Sharpe Ratio Rank: 100
MUU Sortino Ratio Rank: 97
MUU Omega Ratio Rank: 96
MUU Calmar Ratio Rank: 99
MUU Martin Ratio Rank: 99

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

GOOX vs. MUU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-Rex 2X Long Alphabet Daily Target ETF (GOOX) 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.

	GOOX	MUU	Difference
Sharpe ratio: Return per unit of total volatility	3.16	19.49	-16.33
Sortino ratio: Return per unit of downside risk	3.61	5.08	-1.47
Omega ratio: Gain probability vs. loss probability	1.44	1.64	-0.20
Calmar ratio: Return relative to maximum drawdown	5.17	46.30	-41.13
Martin ratio: Return relative to average drawdown	13.28	149.20	-135.92

GOOX vs. MUU - Sharpe Ratio Comparison

The current GOOX Sharpe Ratio is 3.16, which is lower than the MUU Sharpe Ratio of 19.49. The chart below compares the historical Sharpe Ratios of GOOX and MUU, 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

GOOX vs. MUU - Drawdown Comparison

The maximum GOOX drawdown since its inception was -52.46%, smaller than the maximum MUU drawdown of -75.07%. Use the drawdown chart below to compare losses from any high point for GOOX and MUU.

Drawdown Indicators

	GOOX	MUU	Difference
Max Drawdown Largest peak-to-trough decline	-52.46%	-75.07%	+22.61%
Max Drawdown (1Y) Largest decline over 1 year	-39.00%	-68.07%	+29.07%
Current Drawdown Current decline from peak	-16.24%	-55.16%	+38.92%
Average Drawdown Average peak-to-trough decline	-17.47%	-24.49%	+7.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.14%	21.08%	-5.94%

Volatility

GOOX vs. MUU - Volatility Comparison

The current volatility for T-Rex 2X Long Alphabet Daily Target ETF (GOOX) is 27.30%, while Direxion Daily MU Bull 2X Shares (MUU) has a volatility of 63.27%. This indicates that GOOX experiences smaller price fluctuations and is considered to be less risky than MUU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GOOX	MUU	Difference
Volatility (1M) Calculated over the trailing 1-month period	27.30%	63.27%	-35.97%
Volatility (6M) Calculated over the trailing 6-month period	49.45%	134.06%	-84.61%
Volatility (1Y) Calculated over the trailing 1-year period	64.04%	161.74%	-97.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.93%	146.75%	-84.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.93%	146.75%	-84.82%

GOOX vs. MUU - Expense Ratio Comparison

GOOX has a 1.05% expense ratio, which is higher than MUU's 1.01% expense ratio.

Dividends

GOOX vs. MUU - Dividend Comparison

GOOX's dividend yield for the trailing twelve months is around 0.24%, less than MUU's 1.23% yield.

Position	TTM	2025	2024
GOOX T-Rex 2X Long Alphabet Daily Target ETF	0.24%	0.30%	16.78%
MUU Direxion Daily MU Bull 2X Shares	1.23%	4.27%	0.31%

Frequently Asked Questions

Can I hold both GOOX and MUU in my portfolio?

GOOX and MUU have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GOOX or MUU?

MUU has higher volatility (63.27%) compared to GOOX (27.30%). In terms of maximum drawdown, GOOX dropped -52.46% vs MUU's -75.07%.

Which ETF is better, GOOX or MUU?

On 1-year performance, MUU leads with 3107.14% vs 200.27% for GOOX. On fees, MUU is cheaper at 1.01% per year. On volatility, GOOX has been the lower-risk option at 27.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GOOX or MUU?

Over the 1-year period, MUU has performed better with a 3107.14% return vs 200.27%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GOOX or MUU?

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

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

MUU has the higher dividend yield at 1.23%, compared with 0.24% for GOOX.

What is the main difference between GOOX and MUU?

They also come from different issuers: T-Rex and Direxion. Their fees differ too: 1.05% for GOOX and 1.01% for MUU.

Which has better risk-adjusted returns?

MUU currently has the higher Sharpe Ratio (19.49 vs 3.16), 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.