ENFR vs. IWS

Last updated Jun 9, 2026

ENFR (Alerian Energy Infrastructure ETF) and IWS (iShares Russell Mid-Cap Value ETF) are both exchange-traded funds - ENFR is a Energy Equities fund tracking the Alerian Midstream Energy Select Index, while IWS is a Mid Cap Value Equities fund tracking the Russell Midcap Value Index. Both are passively managed. Over the past 10 years, ENFR returned 11.99%/yr vs 10.08%/yr for IWS. A 0.62 correlation means they provide meaningful diversification when combined. ENFR charges 0.35%/yr vs 0.23%/yr for IWS.

Performance

ENFR vs. IWS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Alerian Energy Infrastructure ETF (ENFR) and iShares Russell Mid-Cap Value ETF (IWS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ENFR achieves a 24.34% return, which is significantly higher than IWS's 13.43% return. Over the past 10 years, ENFR has outperformed IWS with an annualized return of 11.99%, while IWS has yielded a comparatively lower 10.08% annualized return.

ENFR

• 1D: -0.70%
• 1M: 2.80%
• YTD: 24.34%
• 6M: 23.38%
• 1Y: 25.73%
• 3Y*: 27.67%
• 5Y*: 19.49%
• 10Y*: 11.99%

IWS

• 1D: 0.04%
• 1M: 1.01%
• YTD: 13.43%
• 6M: 13.77%
• 1Y: 24.70%
• 3Y*: 16.23%
• 5Y*: 8.15%
• 10Y*: 10.08%

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

ENFR vs. IWS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ENFR Alerian Energy Infrastructure ETF	24.34%	5.88%	42.17%	15.63%	17.48%	39.97%	-24.14%	21.60%	-18.67%	-0.19%
IWS iShares Russell Mid-Cap Value ETF	13.43%	10.82%	12.91%	12.52%	-12.29%	28.10%	4.83%	26.73%	-12.43%	13.14%

Correlation

The correlation between ENFR and IWS 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 (3Y) Calculated over the trailing 3-year period	0.44
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since Nov 1, 2013	0.62

Over the past year, the correlation between ENFR and IWS has dropped to 0.12 - well below their long-term average of 0.62, suggesting their price drivers have been diverging.

ENFR vs. IWS - Sectors Allocation Comparison

Sectors	ENFR	IWS
Energy	98.8%	7.7%
Industrials	3.4%	16.5%
Utilities	1.0%	6.5%
Financial Services	0.2%	13.7%
Basic Materials	-	5.4%
Communication Services	-	3.0%
Consumer Cyclical	-	8.4%
Consumer Defensive	-	4.8%
Healthcare	-	7.5%
Real Estate	-	8.2%
Technology	-	18.2%

Return for Risk

ENFR vs. IWS — Risk / Return Rank

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

ENFR

ENFR Risk / Return Rank: 57
ENFR Sharpe Ratio Rank: 58
ENFR Sortino Ratio Rank: 57
ENFR Omega Ratio Rank: 54
ENFR Calmar Ratio Rank: 66
ENFR Martin Ratio Rank: 52

IWS

IWS Risk / Return Rank: 66
IWS Sharpe Ratio Rank: 62
IWS Sortino Ratio Rank: 64
IWS Omega Ratio Rank: 59
IWS Calmar Ratio Rank: 72
IWS Martin Ratio Rank: 72

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.

ENFR vs. IWS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Alerian Energy Infrastructure ETF (ENFR) and iShares Russell Mid-Cap Value ETF (IWS). 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.

	ENFR	IWS	Difference
Sharpe ratio: Return per unit of total volatility	1.77	1.87	-0.10
Sortino ratio: Return per unit of downside risk	2.44	2.67	-0.22
Omega ratio: Gain probability vs. loss probability	1.30	1.33	-0.02
Calmar ratio: Return relative to maximum drawdown	2.99	3.29	-0.30
Martin ratio: Return relative to average drawdown	8.07	12.38	-4.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ENFR vs. IWS - Sharpe Ratio Comparison

The current ENFR Sharpe Ratio is 1.77, which is comparable to the IWS Sharpe Ratio of 1.87. The chart below compares the historical Sharpe Ratios of ENFR and IWS, 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

	ENFR	IWS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.77	1.87	-0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.02	0.47	+0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.52	-0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.42	-0.08

Drawdowns

ENFR vs. IWS - Drawdown Comparison

The maximum ENFR drawdown since its inception was -68.28%, which is greater than IWS's maximum drawdown of -62.40%. Use the drawdown chart below to compare losses from any high point for ENFR and IWS.

Drawdown Indicators

	ENFR	IWS	Difference
Max Drawdown Largest peak-to-trough decline	-68.28%	-62.40%	-5.88%
Max Drawdown (1Y) Largest decline over 1 year	-8.64%	-7.53%	-1.11%
Max Drawdown (3Y) Largest decline over 3 years	-15.58%	-20.57%	+4.99%
Max Drawdown (5Y) Largest decline over 5 years	-20.29%	-21.23%	+0.94%
Max Drawdown (10Y) Largest decline over 10 years	-62.64%	-43.83%	-18.81%
Current Drawdown Current decline from peak	-5.15%	-1.83%	-3.32%
Average Drawdown Average peak-to-trough decline	-15.97%	-8.02%	-7.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.20%	2.00%	+1.20%

Volatility

ENFR vs. IWS - Volatility Comparison

Alerian Energy Infrastructure ETF (ENFR) has a higher volatility of 5.78% compared to iShares Russell Mid-Cap Value ETF (IWS) at 3.45%. This indicates that ENFR's price experiences larger fluctuations and is considered to be riskier than IWS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ENFR	IWS	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.78%	3.45%	+2.33%
Volatility (6M) Calculated over the trailing 6-month period	11.41%	9.74%	+1.67%
Volatility (1Y) Calculated over the trailing 1-year period	14.64%	13.30%	+1.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.29%	17.32%	+1.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.68%	19.37%	+5.31%

ENFR vs. IWS - Expense Ratio Comparison

ENFR has a 0.35% expense ratio, which is higher than IWS's 0.23% expense ratio.

Dividends

ENFR vs. IWS - Dividend Comparison

ENFR's dividend yield for the trailing twelve months is around 4.03%, more than IWS's 1.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ENFR Alerian Energy Infrastructure ETF	4.03%	4.77%	4.41%	5.48%	5.23%	7.86%	7.57%	5.81%	3.98%	2.98%	3.31%	3.34%
IWS iShares Russell Mid-Cap Value ETF	1.36%	1.53%	1.50%	1.76%	1.93%	1.39%	1.87%	1.97%	2.53%	1.96%	2.10%	2.14%

Frequently Asked Questions

Can I hold both ENFR and IWS in my portfolio?

ENFR and IWS 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, ENFR or IWS?

ENFR has higher volatility (5.78%) compared to IWS (3.45%). In terms of maximum drawdown, ENFR dropped -68.28% vs IWS's -62.40%.

Which ETF is better, ENFR or IWS?

On 10-year performance, ENFR leads with 11.99% vs 10.08% for IWS. On fees, IWS is cheaper at 0.23% per year. On volatility, IWS has been the lower-risk option at 3.45%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ENFR or IWS?

Over the 10-year period, ENFR has performed better with a 11.99% return vs 10.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ENFR or IWS?

IWS is cheaper with a 0.23% expense ratio, compared with 0.35% for ENFR.

Which ETF pays a higher dividend yield, ENFR or IWS?

ENFR has the higher dividend yield at 4.03%, compared with 1.36% for IWS.

What is the main difference between ENFR and IWS?

ENFR is categorized as Energy Equities, while IWS is Mid Cap Value Equities. ENFR tracks Alerian Midstream Energy Select Index, while IWS tracks Russell Midcap Value Index. They also come from different issuers: SS&C and iShares. Their fees differ too: 0.35% for ENFR and 0.23% for IWS.

Which has better risk-adjusted returns?

IWS currently has the higher Sharpe Ratio (1.87 vs 1.77), 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.