ERX vs. MIDU

Last updated Jun 9, 2026

ERX (Direxion Daily Energy Bull 2X Shares) and MIDU (Direxion Daily Mid Cap Bull 3X Shares) are both Leveraged Equities funds from Direxion - ERX tracks the Energy Select Sector Index (300%) while MIDU tracks the S&P MidCap 400 Index (300%). Both are passively managed. Over the past 10 years, ERX returned -9.26%/yr vs 11.46%/yr for MIDU. A 0.65 correlation means they provide meaningful diversification when combined. ERX charges 1.09%/yr vs 1.06%/yr for MIDU.

Performance

ERX vs. MIDU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Direxion Daily Energy Bull 2X Shares (ERX) and Direxion Daily Mid Cap Bull 3X Shares (MIDU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ERX achieves a 64.27% return, which is significantly higher than MIDU's 31.63% return. Over the past 10 years, ERX has underperformed MIDU with an annualized return of -9.26%, while MIDU has yielded a comparatively higher 11.46% annualized return.

ERX

• 1D: 2.24%
• 1M: 8.51%
• YTD: 64.27%
• 6M: 60.89%
• 1Y: 88.96%
• 3Y*: 21.63%
• 5Y*: 28.42%
• 10Y*: -9.26%

MIDU

• 1D: 0.47%
• 1M: -0.83%
• YTD: 31.63%
• 6M: 31.16%
• 1Y: 55.79%
• 3Y*: 22.83%
• 5Y*: 1.62%
• 10Y*: 11.46%

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

ERX vs. MIDU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ERX Direxion Daily Energy Bull 2X Shares	64.27%	2.79%	1.09%	-12.26%	130.58%	111.91%	-91.60%	17.13%	-55.94%	-11.60%
MIDU Direxion Daily Mid Cap Bull 3X Shares	31.63%	-2.75%	20.32%	27.79%	-49.27%	72.89%	-18.31%	77.38%	-39.21%	46.86%

Correlation

The correlation between ERX and MIDU is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.43
Correlation (10Y) Calculated over the trailing 10-year period	0.54
Correlation (All Time) Calculated using the full available price history since Jan 9, 2009	0.65

Over the past year, the correlation between ERX and MIDU has dropped to 0.08 - well below their long-term average of 0.65, suggesting their price drivers have been diverging.

ERX vs. MIDU - Sectors Allocation Comparison

Sectors	ERX	MIDU
Energy	100.0%	5.5%
Basic Materials	-	4.8%
Communication Services	-	1.0%
Consumer Cyclical	-	10.7%
Consumer Defensive	-	3.8%
Financial Services	-	14.4%
Healthcare	-	8.6%
Industrials	-	25.0%
Real Estate	-	7.5%
Technology	-	15.7%
Utilities	-	3.1%

Return for Risk

ERX vs. MIDU — Risk / Return Rank

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

ERX

ERX Risk / Return Rank: 68
ERX Sharpe Ratio Rank: 75
ERX Sortino Ratio Rank: 62
ERX Omega Ratio Rank: 57
ERX Calmar Ratio Rank: 81
ERX Martin Ratio Rank: 63

MIDU

MIDU Risk / Return Rank: 42
MIDU Sharpe Ratio Rank: 37
MIDU Sortino Ratio Rank: 39
MIDU Omega Ratio Rank: 36
MIDU Calmar Ratio Rank: 48
MIDU Martin Ratio Rank: 47

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.

ERX vs. MIDU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Direxion Daily Energy Bull 2X Shares (ERX) and Direxion Daily Mid Cap Bull 3X Shares (MIDU). 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.

	ERX	MIDU	Difference
Sharpe ratio: Return per unit of total volatility	2.18	1.20	+0.98
Sortino ratio: Return per unit of downside risk	2.60	1.81	+0.79
Omega ratio: Gain probability vs. loss probability	1.32	1.22	+0.10
Calmar ratio: Return relative to maximum drawdown	3.83	2.17	+1.66
Martin ratio: Return relative to average drawdown	10.23	7.20	+3.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ERX vs. MIDU - Sharpe Ratio Comparison

The current ERX Sharpe Ratio is 2.18, which is higher than the MIDU Sharpe Ratio of 1.20. The chart below compares the historical Sharpe Ratios of ERX and MIDU, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	ERX	MIDU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	1.20	+0.98
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.55	0.03	+0.52
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.13	0.18	-0.32
Sharpe Ratio (All Time) Calculated using the full available price history	-0.09	0.34	-0.43

Drawdowns

ERX vs. MIDU - Drawdown Comparison

The maximum ERX drawdown since its inception was -99.54%, which is greater than MIDU's maximum drawdown of -86.26%. Use the drawdown chart below to compare losses from any high point for ERX and MIDU.

Drawdown Indicators

	ERX	MIDU	Difference
Max Drawdown Largest peak-to-trough decline	-99.54%	-86.26%	-13.28%
Max Drawdown (1Y) Largest decline over 1 year	-23.34%	-25.80%	+2.46%
Max Drawdown (3Y) Largest decline over 3 years	-42.34%	-60.41%	+18.07%
Max Drawdown (5Y) Largest decline over 5 years	-46.90%	-64.14%	+17.24%
Max Drawdown (10Y) Largest decline over 10 years	-98.59%	-86.26%	-12.33%
Current Drawdown Current decline from peak	-91.71%	-8.37%	-83.34%
Average Drawdown Average peak-to-trough decline	-67.04%	-22.43%	-44.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.73%	7.77%	+0.96%

Volatility

ERX vs. MIDU - Volatility Comparison

Direxion Daily Energy Bull 2X Shares (ERX) has a higher volatility of 14.00% compared to Direxion Daily Mid Cap Bull 3X Shares (MIDU) at 12.33%. This indicates that ERX's price experiences larger fluctuations and is considered to be riskier than MIDU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ERX	MIDU	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.00%	12.33%	+1.67%
Volatility (6M) Calculated over the trailing 6-month period	33.45%	34.19%	-0.74%
Volatility (1Y) Calculated over the trailing 1-year period	41.05%	46.69%	-5.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	52.01%	59.49%	-7.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	69.14%	63.63%	+5.51%

ERX vs. MIDU - Expense Ratio Comparison

ERX has a 1.09% expense ratio, which is higher than MIDU's 1.06% expense ratio.

Dividends

ERX vs. MIDU - Dividend Comparison

ERX's dividend yield for the trailing twelve months is around 1.63%, more than MIDU's 0.67% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
ERX Direxion Daily Energy Bull 2X Shares	1.63%	2.54%	2.94%	3.17%	2.23%	2.16%	2.35%	1.56%	3.10%	0.85%	0.00%
MIDU Direxion Daily Mid Cap Bull 3X Shares	0.67%	1.04%	1.10%	1.43%	0.11%	0.00%	0.06%	0.71%	0.70%	2.67%	1.89%

Frequently Asked Questions

Can I hold both ERX and MIDU in my portfolio?

ERX and MIDU have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ERX or MIDU?

ERX has higher volatility (14.00%) compared to MIDU (12.33%). In terms of maximum drawdown, ERX dropped -99.54% vs MIDU's -86.26%.

Which ETF is better, ERX or MIDU?

On 10-year performance, MIDU leads with 11.46% vs -9.26% for ERX. On fees, MIDU is cheaper at 1.06% per year. On volatility, MIDU has been the lower-risk option at 12.33%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ERX or MIDU?

Over the 10-year period, MIDU has performed better with a 11.46% return vs -9.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ERX or MIDU?

MIDU is cheaper with a 1.06% expense ratio, compared with 1.09% for ERX.

Which ETF pays a higher dividend yield, ERX or MIDU?

ERX has the higher dividend yield at 1.63%, compared with 0.67% for MIDU.

What is the main difference between ERX and MIDU?

ERX tracks Energy Select Sector Index (300%), while MIDU tracks S&P MidCap 400 Index (300%). Their fees differ too: 1.09% for ERX and 1.06% for MIDU.

Which has better risk-adjusted returns?

ERX currently has the higher Sharpe Ratio (2.18 vs 1.20), 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.