REW vs. MUU

Last updated Jun 26, 2026

REW (ProShares UltraShort Technology) and MUU (Direxion Daily MU Bull 2X Shares) are both Leveraged Equities funds - REW tracks the Dow Jones U.S. Technology Index (-200%) while MUU tracks the Micron Technology, Inc. (200% Daily). Both are passively managed. At a correlation of -0.96, they often move in opposite directions. REW charges 0.95%/yr vs 1.01%/yr for MUU.

Performance

REW vs. MUU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraShort Technology (REW) and Direxion Daily MU Bull 2X Shares (MUU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

REW

• 1D: -2.01%
• 1M: -2.83%
• YTD: -43.64%
• 6M: -41.62%
• 1Y: -57.85%
• 3Y*: -45.39%
• 5Y*: -37.94%
• 10Y*: -45.33%

MUU

• 1D: 31.07%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

REW vs. MUU - Yearly Performance Comparison

	2026 (YTD)
REW ProShares UltraShort Technology	7.22%
MUU Direxion Daily MU Bull 2X Shares	14.65%

Correlation

The correlation between REW and MUU is -0.96, 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 (All Time) Calculated using the full available price history since Jun 16, 2026	-0.96

Return for Risk

REW vs. MUU — Risk / Return Rank

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

REW

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

MUU

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

REW vs. MUU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Technology (REW) 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.

	REW	MUU	Difference
Sharpe ratio: Return per unit of total volatility	-1.22	—	—
Sortino ratio: Return per unit of downside risk	-2.20	—	—
Omega ratio: Gain probability vs. loss probability	0.77	—	—
Calmar ratio: Return relative to maximum drawdown	-0.94	—	—
Martin ratio: Return relative to average drawdown	-2.00	—	—

Drawdowns

REW vs. MUU - Drawdown Comparison

The maximum REW drawdown since its inception was -99.99%, which is greater than MUU's maximum drawdown of -26.63%. Use the drawdown chart below to compare losses from any high point for REW and MUU.

Drawdown Indicators

	REW	MUU	Difference
Max Drawdown Largest peak-to-trough decline	-99.99%	-26.63%	-73.36%
Max Drawdown (1Y) Largest decline over 1 year	-61.83%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-86.76%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-93.62%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-99.78%	—	—
Current Drawdown Current decline from peak	-99.99%	-3.84%	-96.15%
Average Drawdown Average peak-to-trough decline	-86.90%	-11.62%	-75.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.52%	—	—

Volatility

Volatility by Period

	REW	MUU	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.33%	—	—
Volatility (6M) Calculated over the trailing 6-month period	39.77%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	47.39%	307.99%	-260.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	52.56%	307.99%	-255.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.29%	307.99%	-258.70%

REW vs. MUU - Expense Ratio Comparison

REW has a 0.95% expense ratio, which is lower than MUU's 1.01% expense ratio.

Dividends

REW vs. MUU - Dividend Comparison

REW's dividend yield for the trailing twelve months is around 8.84%, more than MUU's 0.17% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
MUU Direxion Daily MU Bull 2X Shares	0.17%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
REW ProShares UltraShort Technology	8.84%	6.69%	5.68%	5.97%	0.65%	0.00%	0.27%	1.80%	0.51%

Frequently Asked Questions

Can I hold both REW and MUU in my portfolio?

REW and MUU have a correlation of -0.96, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, REW or MUU?

On fees, REW is cheaper at 0.95% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, REW or MUU?

REW is cheaper with a 0.95% expense ratio, compared with 1.01% for MUU.

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

REW has the higher dividend yield at 8.84%, compared with 0.17% for MUU.

What is the main difference between REW and MUU?

REW tracks Dow Jones U.S. Technology Index (-200%), while MUU tracks Micron Technology, Inc. (200% Daily). They also come from different issuers: ProShares and Direxion. Their fees differ too: 0.95% for REW and 1.01% for MUU.