SPXS vs. MUU
SPXS (Direxion Daily S&P 500 Bear 3X Shares) and MUU (Direxion Daily MU Bull 2X Shares) are both exchange-traded funds - SPXS is a Inverse Equities fund tracking the S&P 500 Index (-300%), while MUU is a Leveraged Equities fund tracking the Micron Technology, Inc. (200% Daily). Both are passively managed. Over the past year, SPXS returned -41.05% vs 2599.25% for MUU. At a correlation of -0.54, they often move in opposite directions. SPXS charges 1.08%/yr vs 1.01%/yr for MUU.
Performance
SPXS vs. MUU - Performance Comparison
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Returns By Period
In the year-to-date period, SPXS achieves a -24.88% return, which is significantly lower than MUU's 449.17% return.
SPXS
- 1D
- 1.67%
- 1M
- -0.21%
- 6M
- -21.79%
- YTD
- -24.88%
- 1Y
- -41.05%
- 3Y*
- -39.52%
- 5Y*
- -33.62%
- 10Y*
- -41.24%
MUU
- 1D
- -12.02%
- 1M
- -37.86%
- 6M
- 305.92%
- YTD
- 449.17%
- 1Y
- 2,599.25%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SPXS vs. MUU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
SPXS Direxion Daily S&P 500 Bear 3X Shares | -24.88% | -41.53% | -3.34% |
MUU Direxion Daily MU Bull 2X Shares | 449.17% | 599.03% | -40.91% |
Correlation
The correlation between SPXS and MUU is -0.52, 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 | -0.52 |
Correlation (All Time) Calculated using the full available price history since Oct 10, 2024 | -0.54 |
The correlation between SPXS and MUU has been stable across timeframes, ranging from -0.54 to -0.52 - a consistent structural relationship.
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Return for Risk
SPXS vs. MUU — Risk / Return Rank
SPXS
MUU
SPXS vs. MUU - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Direxion Daily S&P 500 Bear 3X Shares (SPXS) 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.
| SPXS | MUU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -18.39 | ||
| Sortino ratioReturn per unit of downside risk | -6.69 | ||
| Omega ratioGain probability vs. loss probability | 0.82 | 1.63 | -0.81 |
| Calmar ratioReturn relative to maximum drawdown | -0.94 | 47.69 | -48.63 |
| Martin ratioReturn relative to average drawdown | -1.62 | 152.81 | -154.43 |
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Drawdowns
SPXS vs. MUU - Drawdown Comparison
The maximum SPXS 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 SPXS and MUU.
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Drawdown Indicators
| SPXS | MUU | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -100.00% | -75.07% | -24.93% |
Max Drawdown (1Y)Largest decline over 1 year | -43.64% | -55.25% | +11.61% |
Max Drawdown (3Y)Largest decline over 3 years | -84.13% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -90.11% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -99.56% | — | — |
Current DrawdownCurrent decline from peak | -100.00% | -55.25% | -44.75% |
Average DrawdownAverage peak-to-trough decline | -96.31% | -23.62% | -72.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 25.40% | 17.31% | +8.09% |
Volatility
SPXS vs. MUU - Volatility Comparison
The current volatility for Direxion Daily S&P 500 Bear 3X Shares (SPXS) is 10.70%, while Direxion Daily MU Bull 2X Shares (MUU) has a volatility of 62.52%. This indicates that SPXS 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
| SPXS | MUU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.70% | 62.52% | -51.82% |
Volatility (6M)Calculated over the trailing 6-month period | 30.07% | 125.23% | -95.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 37.65% | 152.52% | -114.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 50.74% | 142.32% | -91.58% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 53.50% | 142.32% | -88.82% |
SPXS vs. MUU - Expense Ratio Comparison
SPXS has a 1.08% expense ratio, which is higher than MUU's 1.01% expense ratio.
Dividends
SPXS vs. MUU - Dividend Comparison
SPXS's dividend yield for the trailing twelve months is around 4.52%, more than MUU's 1.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
MUU Direxion Daily MU Bull 2X Shares | 1.24% | 4.27% | 0.31% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPXS Direxion Daily S&P 500 Bear 3X Shares | 4.52% | 4.93% | 6.18% | 5.66% | 0.00% | 0.00% | 0.51% | 1.74% | 0.58% |
Frequently Asked Questions
SPXS and MUU have a correlation of -0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MUU has higher volatility (62.52%) compared to SPXS (10.70%). In terms of maximum drawdown, SPXS dropped -100.00% vs MUU's -75.07%.
On 1-year performance, MUU leads with 2599.25% vs -41.05% for SPXS. On fees, MUU is cheaper at 1.01% per year. On volatility, SPXS has been the lower-risk option at 10.70%. 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 2599.25% return vs -41.05%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MUU is cheaper with a 1.01% expense ratio, compared with 1.08% for SPXS.
SPXS has the higher dividend yield at 4.52%, compared with 1.24% for MUU.
SPXS is categorized as Inverse Equities, while MUU is Leveraged Equities. SPXS tracks S&P 500 Index (-300%), while MUU tracks Micron Technology, Inc. (200% Daily). Their fees differ too: 1.08% for SPXS and 1.01% for MUU.
MUU currently has the higher Sharpe Ratio (17.30 vs -1.09), 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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