SOXS vs. MUU

Last updated Jul 14, 2026

SOXS (Direxion Daily Semiconductor Bear 3x Shares) and MUU (Direxion Daily MU Bull 2X Shares) are both exchange-traded funds - SOXS is a Inverse Equities fund tracking the PHLX Semiconductor Index (-300%), while MUU is a Leveraged Equities fund tracking the Micron Technology, Inc. (200% Daily). Both are passively managed. Over the past year, SOXS returned -96.62% vs 2796.55% for MUU. At a correlation of -0.71, they often move in opposite directions. SOXS charges 1.08%/yr vs 1.01%/yr for MUU.

Performance

SOXS vs. MUU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Direxion Daily Semiconductor Bear 3x Shares (SOXS) 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, SOXS achieves a -92.43% return, which is significantly lower than MUU's 575.80% return.

SOXS

• 1D: 13.97%
• 1M: -0.35%
• 6M: -89.79%
• YTD: -92.43%
• 1Y: -96.62%
• 3Y*: -85.78%
• 5Y*: -79.45%
• 10Y*: -78.71%

MUU

• 1D: -9.01%
• 1M: -18.36%
• 6M: 372.65%
• YTD: 575.80%
• 1Y: 2,796.55%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SOXS vs. MUU - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SOXS Direxion Daily Semiconductor Bear 3x Shares	-92.43%	-85.53%	19.96%
MUU Direxion Daily MU Bull 2X Shares	575.80%	599.03%	-40.91%

Correlation

The correlation between SOXS and MUU is -0.66, 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	-0.66
Correlation (All Time) Calculated using the full available price history since Oct 10, 2024	-0.71

The correlation between SOXS and MUU has been stable across timeframes, ranging from -0.71 to -0.66 - a consistent structural relationship.

Return for Risk

SOXS vs. MUU — Risk / Return Rank

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

SOXS

SOXS Risk / Return Rank: 1
SOXS Sharpe Ratio Rank: 3
SOXS Sortino Ratio Rank: 0
SOXS Omega Ratio Rank: 0
SOXS Calmar Ratio Rank: 0
SOXS Martin Ratio Rank: 1

MUU

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

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.

SOXS vs. MUU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Direxion Daily Semiconductor Bear 3x Shares (SOXS) 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.

	SOXS	MUU	Difference
Sharpe ratio: Return per unit of total volatility	-0.77	23.95	-24.72
Sortino ratio: Return per unit of downside risk	-2.79	5.62	-8.41
Omega ratio: Gain probability vs. loss probability	0.70	1.69	-0.99
Calmar ratio: Return relative to maximum drawdown	-0.99	66.09	-67.08
Martin ratio: Return relative to average drawdown	-1.43	221.31	-222.74

SOXS vs. MUU - Sharpe Ratio Comparison

The current SOXS Sharpe Ratio is -0.77, which is lower than the MUU Sharpe Ratio of 23.95. The chart below compares the historical Sharpe Ratios of SOXS 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

SOXS vs. MUU - Drawdown Comparison

The maximum SOXS drawdown since its inception was -100.00%, which is greater than MUU's maximum drawdown of -75.07%. Use the drawdown chart below to compare losses from any high point for SOXS and MUU.

Drawdown Indicators

	SOXS	MUU	Difference
Max Drawdown Largest peak-to-trough decline	-100.00%	-75.07%	-24.93%
Max Drawdown (1Y) Largest decline over 1 year	-97.89%	-52.72%	-45.17%
Max Drawdown (3Y) Largest decline over 3 years	-99.87%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-99.98%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-100.00%	—	—
Current Drawdown Current decline from peak	-100.00%	-36.32%	-63.68%
Average Drawdown Average peak-to-trough decline	-92.63%	-23.43%	-69.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	67.54%	16.57%	+50.97%

Volatility

SOXS vs. MUU - Volatility Comparison

Direxion Daily Semiconductor Bear 3x Shares (SOXS) and Direxion Daily MU Bull 2X Shares (MUU) have volatilities of 66.39% and 67.81%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SOXS	MUU	Difference
Volatility (1M) Calculated over the trailing 1-month period	66.39%	67.81%	-1.42%
Volatility (6M) Calculated over the trailing 6-month period	108.48%	116.35%	-7.87%
Volatility (1Y) Calculated over the trailing 1-year period	125.48%	145.78%	-20.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	113.09%	138.10%	-25.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	102.91%	138.10%	-35.19%

SOXS vs. MUU - Expense Ratio Comparison

SOXS has a 1.08% expense ratio, which is higher than MUU's 1.01% expense ratio.

Dividends

SOXS vs. MUU - Dividend Comparison

SOXS's dividend yield for the trailing twelve months is around 48.83%, more than MUU's 0.70% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
MUU Direxion Daily MU Bull 2X Shares	0.70%	4.27%	0.31%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SOXS Direxion Daily Semiconductor Bear 3x Shares	48.83%	10.79%	5.45%	9.22%	0.19%	0.00%	3.58%	2.30%	0.76%

Frequently Asked Questions

Can I hold both SOXS and MUU in my portfolio?

SOXS and MUU have a correlation of -0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SOXS or MUU?

MUU has higher volatility (67.81%) compared to SOXS (66.39%). In terms of maximum drawdown, SOXS dropped -100.00% vs MUU's -75.07%.

Which ETF is better, SOXS or MUU?

On 1-year performance, MUU leads with 2796.55% vs -96.62% for SOXS. On fees, MUU is cheaper at 1.01% per year. On volatility, SOXS has been the lower-risk option at 66.39%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SOXS or MUU?

Over the 1-year period, MUU has performed better with a 2796.55% return vs -96.62%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SOXS or MUU?

MUU is cheaper with a 1.01% expense ratio, compared with 1.08% for SOXS.

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

SOXS has the higher dividend yield at 48.83%, compared with 0.70% for MUU.

What is the main difference between SOXS and MUU?

SOXS is categorized as Inverse Equities, while MUU is Leveraged Equities. SOXS tracks PHLX Semiconductor Index (-300%), while MUU tracks Micron Technology, Inc. (200% Daily). Their fees differ too: 1.08% for SOXS and 1.01% for MUU.

Which has better risk-adjusted returns?

MUU currently has the higher Sharpe Ratio (23.95 vs -0.77), 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.