SOXX vs. MUU
SOXX (iShares Semiconductor ETF) and MUU (Direxion Daily MU Bull 2X Shares) are both exchange-traded funds - SOXX is a Semiconductors fund tracking the NYSE Semiconductor Index, while MUU is a Leveraged Equities fund tracking the Micron Technology, Inc. (200% Daily). Both are passively managed. Over the past year, SOXX returned 134.00% vs 3397.63% for MUU. A 0.71 correlation means they provide meaningful diversification when combined. SOXX charges 0.34%/yr vs 1.01%/yr for MUU.
Performance
SOXX vs. MUU - Performance Comparison
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Returns By Period
In the year-to-date period, SOXX achieves a 88.79% return, which is significantly lower than MUU's 640.02% return.
SOXX
- 1D
- 2.58%
- 1M
- -4.71%
- 6M
- 70.58%
- YTD
- 88.79%
- 1Y
- 134.00%
- 3Y*
- 49.70%
- 5Y*
- 32.37%
- 10Y*
- 34.34%
MUU
- 1D
- 9.50%
- 1M
- -10.60%
- 6M
- 441.55%
- YTD
- 640.02%
- 1Y
- 3,397.63%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SOXX vs. MUU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
SOXX iShares Semiconductor ETF | 88.79% | 40.74% | -8.22% |
MUU Direxion Daily MU Bull 2X Shares | 640.02% | 599.03% | -40.91% |
Correlation
The correlation between SOXX and MUU is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| 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 SOXX and MUU has been stable across timeframes, ranging from 0.66 to 0.71 - a consistent structural relationship.
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Return for Risk
SOXX vs. MUU — Risk / Return Rank
SOXX
MUU
SOXX vs. MUU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Semiconductor ETF (SOXX) 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.
| SOXX | MUU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -26.27 | ||
| Sortino ratioReturn per unit of downside risk | -2.59 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.73 | -0.27 |
| Calmar ratioReturn relative to maximum drawdown | 8.55 | 81.19 | -72.64 |
| Martin ratioReturn relative to average drawdown | 26.38 | 269.76 | -243.37 |
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Drawdowns
SOXX vs. MUU - Drawdown Comparison
The maximum SOXX drawdown since its inception was -70.21%, smaller than the maximum MUU drawdown of -75.07%. Use the drawdown chart below to compare losses from any high point for SOXX and MUU.
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Drawdown Indicators
| SOXX | MUU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -70.21% | -75.07% | +4.86% |
Max Drawdown (1Y)Largest decline over 1 year | -15.77% | -52.72% | +36.95% |
Max Drawdown (3Y)Largest decline over 3 years | -41.36% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -45.75% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -45.75% | — | — |
Current DrawdownCurrent decline from peak | -13.30% | -30.27% | +16.97% |
Average DrawdownAverage peak-to-trough decline | -19.92% | -23.44% | +3.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.10% | 16.68% | -11.58% |
Volatility
SOXX vs. MUU - Volatility Comparison
The current volatility for iShares Semiconductor ETF (SOXX) is 21.09%, while Direxion Daily MU Bull 2X Shares (MUU) has a volatility of 67.96%. This indicates that SOXX 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.
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Volatility by Period
| SOXX | MUU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 21.09% | 67.96% | -46.87% |
Volatility (6M)Calculated over the trailing 6-month period | 36.42% | 115.39% | -78.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 42.09% | 145.68% | -103.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.79% | 138.08% | -100.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 34.28% | 138.08% | -103.80% |
SOXX vs. MUU - Expense Ratio Comparison
SOXX has a 0.34% expense ratio, which is lower than MUU's 1.01% expense ratio.
Dividends
SOXX vs. MUU - Dividend Comparison
SOXX's dividend yield for the trailing twelve months is around 0.26%, less than MUU's 0.64% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MUU Direxion Daily MU Bull 2X Shares | 0.64% | 4.27% | 0.31% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SOXX iShares Semiconductor ETF | 0.26% | 0.57% | 0.67% | 0.78% | 1.26% | 0.64% | 0.81% | 1.23% | 1.37% | 0.90% | 1.08% | 1.29% |
Frequently Asked Questions
SOXX 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.
MUU has higher volatility (67.96%) compared to SOXX (21.09%). In terms of maximum drawdown, SOXX dropped -70.21% vs MUU's -75.07%.
On 1-year performance, MUU leads with 3397.63% vs 134.00% for SOXX. On fees, SOXX is cheaper at 0.34% per year. On volatility, SOXX has been the lower-risk option at 21.09%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, MUU has performed better with a 3397.63% return vs 134.00%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SOXX is cheaper with a 0.34% expense ratio, compared with 1.01% for MUU.
MUU has the higher dividend yield at 0.64%, compared with 0.26% for SOXX.
SOXX is categorized as Semiconductors, while MUU is Leveraged Equities. SOXX tracks NYSE Semiconductor Index, while MUU tracks Micron Technology, Inc. (200% Daily). They also come from different issuers: iShares and Direxion. Their fees differ too: 0.34% for SOXX and 1.01% for MUU.
MUU currently has the higher Sharpe Ratio (29.47 vs 3.20), 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.
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