REW vs. NRGU

Last updated Jul 17, 2026

REW (ProShares UltraShort Technology) and NRGU (MicroSectors U.S. Big Oil Index 3X Leveraged ETN) are both Leveraged Equities funds - REW tracks the Dow Jones U.S. Technology Index (-200%) while NRGU tracks the Solactive MicroSectors U.S. Big Oil Index (-300%). Both are passively managed. Over the past year, REW returned -51.65% vs 119.26% for NRGU. At a correlation of -0.03, they often move in opposite directions. Both charge a 0.95% expense ratio.

Performance

REW vs. NRGU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraShort Technology (REW) and MicroSectors U.S. Big Oil Index 3X Leveraged ETN (NRGU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, REW achieves a -39.78% return, which is significantly lower than NRGU's 118.00% return.

REW

• 1D: 4.43%
• 1M: 8.43%
• 6M: -38.44%
• YTD: -39.78%
• 1Y: -51.65%
• 3Y*: -41.91%
• 5Y*: -36.52%
• 10Y*: -43.85%

NRGU

• 1D: 3.84%
• 1M: 18.77%
• 6M: 86.19%
• YTD: 118.00%
• 1Y: 119.26%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

REW vs. NRGU - Yearly Performance Comparison

	2026 (YTD)	2025
REW ProShares UltraShort Technology	-39.78%	-37.92%
NRGU MicroSectors U.S. Big Oil Index 3X Leveraged ETN	118.00%	-30.00%

Correlation

The correlation between REW and NRGU is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.12
Correlation (All Time) Calculated using the full available price history since Feb 20, 2025	-0.03

The correlation between REW and NRGU shifts across timeframes, from -0.03 (all time) to 0.12 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

REW vs. NRGU — 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: 1
REW Sortino Ratio Rank: 1
REW Omega Ratio Rank: 2
REW Calmar Ratio Rank: 2
REW Martin Ratio Rank: 0

NRGU

NRGU Risk / Return Rank: 55
NRGU Sharpe Ratio Rank: 58
NRGU Sortino Ratio Rank: 52
NRGU Omega Ratio Rank: 50
NRGU Calmar Ratio Rank: 69
NRGU 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.

REW vs. NRGU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Technology (REW) and MicroSectors U.S. Big Oil Index 3X Leveraged ETN (NRGU). 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	NRGU	Difference
Sharpe ratio: Return per unit of total volatility	-1.04	1.56	-2.60
Sortino ratio: Return per unit of downside risk	-1.72	2.08	-3.80
Omega ratio: Gain probability vs. loss probability	0.82	1.26	-0.44
Calmar ratio: Return relative to maximum drawdown	-0.86	2.73	-3.59
Martin ratio: Return relative to average drawdown	-1.75	6.13	-7.88

REW vs. NRGU - Sharpe Ratio Comparison

The current REW Sharpe Ratio is -1.04, which is lower than the NRGU Sharpe Ratio of 1.56. The chart below compares the historical Sharpe Ratios of REW and NRGU, 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

REW vs. NRGU - Drawdown Comparison

The maximum REW drawdown since its inception was -99.99%, which is greater than NRGU's maximum drawdown of -57.50%. Use the drawdown chart below to compare losses from any high point for REW and NRGU.

Drawdown Indicators

	REW	NRGU	Difference
Max Drawdown Largest peak-to-trough decline	-99.99%	-57.50%	-42.49%
Max Drawdown (1Y) Largest decline over 1 year	-60.10%	-43.89%	-16.21%
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	-99.74%	—	—
Current Drawdown Current decline from peak	-99.99%	-24.81%	-75.18%
Average Drawdown Average peak-to-trough decline	-86.94%	-26.06%	-60.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.45%	19.53%	+9.92%

Volatility

REW vs. NRGU - Volatility Comparison

The current volatility for ProShares UltraShort Technology (REW) is 19.92%, while MicroSectors U.S. Big Oil Index 3X Leveraged ETN (NRGU) has a volatility of 23.48%. This indicates that REW experiences smaller price fluctuations and is considered to be less risky than NRGU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	REW	NRGU	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.92%	23.48%	-3.56%
Volatility (6M) Calculated over the trailing 6-month period	42.41%	63.97%	-21.56%
Volatility (1Y) Calculated over the trailing 1-year period	49.67%	76.98%	-27.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	52.97%	89.07%	-36.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.45%	89.07%	-39.62%

REW vs. NRGU - Expense Ratio Comparison

Both REW and NRGU have an expense ratio of 0.95%.

Dividends

REW vs. NRGU - Dividend Comparison

REW's dividend yield for the trailing twelve months is around 8.27%, while NRGU has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
NRGU MicroSectors U.S. Big Oil Index 3X Leveraged ETN	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
REW ProShares UltraShort Technology	8.27%	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 NRGU in my portfolio?

REW and NRGU have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, REW or NRGU?

NRGU has higher volatility (23.48%) compared to REW (19.92%). In terms of maximum drawdown, REW dropped -99.99% vs NRGU's -57.50%.

Which ETF is better, REW or NRGU?

On 1-year performance, NRGU leads with 119.26% vs -51.65% for REW. Both ETFs have the same 0.95% expense ratio. On volatility, REW has been the lower-risk option at 19.92%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, REW or NRGU?

Over the 1-year period, NRGU has performed better with a 119.26% return vs -51.65%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, REW or NRGU?

REW and NRGU have the same expense ratio: 0.95% per year.

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

REW has the higher dividend yield at 8.27%, compared with 0.00% for NRGU.

What is the main difference between REW and NRGU?

REW tracks Dow Jones U.S. Technology Index (-200%), while NRGU tracks Solactive MicroSectors U.S. Big Oil Index (-300%). They also come from different issuers: ProShares and BMO.

Which has better risk-adjusted returns?

NRGU currently has the higher Sharpe Ratio (1.56 vs -1.04), 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.