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IWR vs. USL
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IWR vs. USL

Last updated Jun 4, 2026

IWR (iShares Russell Midcap ETF) and USL (United States 12 Month Oil Fund LP) are both exchange-traded funds - IWR is a Mid Cap Growth Equities fund tracking the Russell Midcap Index, while USL is a Oil & Gas fund tracking the 12 Month Light Sweet Crude Oil. Both are passively managed. Over the past 10 years, IWR returned 11.55%/yr vs 10.91%/yr for USL. At a 0.31 correlation, their price movements are largely independent. IWR charges 0.19%/yr vs 0.88%/yr for USL.

Performance

IWR vs. USL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell Midcap ETF (IWR) and United States 12 Month Oil Fund LP (USL). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IWR achieves a 12.43% return, which is significantly lower than USL's 63.07% return. Over the past 10 years, IWR has outperformed USL with an annualized return of 11.55%, while USL has yielded a comparatively lower 10.91% annualized return.

IWR

1D
-0.26%
1M
3.79%
YTD
12.43%
6M
12.21%
1Y
21.66%
3Y*
17.25%
5Y*
8.00%
10Y*
11.55%

USL

1D
1.55%
1M
-1.61%
YTD
63.07%
6M
59.66%
1Y
57.86%
3Y*
18.42%
5Y*
17.41%
10Y*
10.91%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IWR vs. USL - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IWR
iShares Russell Midcap ETF		12.43%10.37%15.21%17.05%-17.48%22.44%16.93%30.23%-9.10%18.25%
USL
United States 12 Month Oil Fund LP		63.07%-12.37%8.30%-1.11%27.10%62.48%-25.23%28.01%-14.15%2.55%

Correlation

The correlation between IWR and USL is -0.23, 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

-0.23

Correlation (3Y)
Calculated over the trailing 3-year period

-0.00

Correlation (5Y)
Calculated over the trailing 5-year period

0.14

Correlation (10Y)
Calculated over the trailing 10-year period

0.23

Correlation (All Time)
Calculated using the full available price history since Dec 7, 2007

0.31

The correlation between IWR and USL shifts across timeframes, from -0.23 (1 year) to 0.31 (all time), reflecting how their relationship changes across market environments.

IWR vs. USL - Sectors Allocation Comparison

Sectors
IWR
USL

Industrials

18.4%

-

Technology

17.2%

-

Financial Services

12.5%
4.5%

Consumer Cyclical

11.2%

-

Healthcare

8.7%

-

Energy

7.2%

-

Real Estate

7.0%

-

Utilities

6.1%

-

Basic Materials

4.3%

-

Consumer Defensive

4.1%

-

Communication Services

3.4%

-

Industrials

IWR
18.4%
USL

-

Technology

IWR
17.2%
USL

-

Financial Services

IWR
12.5%
USL
4.5%

Consumer Cyclical

IWR
11.2%
USL

-

Healthcare

IWR
8.7%
USL

-

Energy

IWR
7.2%
USL

-

Real Estate

IWR
7.0%
USL

-

Utilities

IWR
6.1%
USL

-

Basic Materials

IWR
4.3%
USL

-

Consumer Defensive

IWR
4.1%
USL

-

Communication Services

IWR
3.4%
USL

-

Compare stocks, funds, or ETFs

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iShares Russell Midcap ETF

United States 12 Month Oil Fund LP

Often compared with IWR:
IWR vs. VOIWR vs. IWDIWR vs. SPMDIWR vs. IWNIWR vs. SCHMIWR vs. VXFIWR vs. REGL
Often compared with USL:
USL vs. USOUSL vs. DBOUSL vs. BNOUSL vs. FGDLUSL vs. XLEUSL vs. XHBUSL vs. COP

Return for Risk

IWR vs. USL — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IWR
IWR Risk / Return Rank: 4949
Overall Rank
IWR Sharpe Ratio Rank: 4646
Sharpe Ratio Rank
IWR Sortino Ratio Rank: 4747
Sortino Ratio Rank
IWR Omega Ratio Rank: 4444
Omega Ratio Rank
IWR Calmar Ratio Rank: 5353
Calmar Ratio Rank
IWR Martin Ratio Rank: 5858
Martin Ratio Rank
USL
USL Risk / Return Rank: 5656
Overall Rank
USL Sharpe Ratio Rank: 5959
Sharpe Ratio Rank
USL Sortino Ratio Rank: 5353
Sortino Ratio Rank
USL Omega Ratio Rank: 5454
Omega Ratio Rank
USL Calmar Ratio Rank: 6969
Calmar Ratio Rank
USL Martin Ratio Rank: 4343
Martin Ratio Rank
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.

IWR vs. USL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell Midcap ETF (IWR) and United States 12 Month Oil Fund LP (USL). 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.

IWRUSLDifference
Sharpe ratioReturn per unit of total volatility
1.63
2.04

-0.41

Sortino ratioReturn per unit of downside risk
2.35
2.58

-0.23

Omega ratioGain probability vs. loss probability

1.28

1.34

-0.05

Calmar ratioReturn relative to maximum drawdown

2.66

3.47

-0.80

Martin ratioReturn relative to average drawdown

10.28

7.02

+3.26

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWR vs. USL - Sharpe Ratio Comparison

The current IWR Sharpe Ratio is 1.63, which is comparable to the USL Sharpe Ratio of 2.04. The chart below compares the historical Sharpe Ratios of IWR and USL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

IWRUSLDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.63

2.04

-0.41

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.44

0.58

-0.14

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.60

0.34

+0.26

Sharpe Ratio (All Time)

Calculated using the full available price history

0.49

0.01

+0.48

Drawdowns

IWR vs. USL - Drawdown Comparison

The maximum IWR drawdown since its inception was -58.78%, smaller than the maximum USL drawdown of -89.06%. Use the drawdown chart below to compare losses from any high point for IWR and USL.

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Drawdown Indicators

IWRUSLDifference

Max Drawdown

Largest peak-to-trough decline

-58.78%

-89.06%

+30.28%

Max Drawdown (1Y)

Largest decline over 1 year

-8.17%

-16.76%

+8.59%

Max Drawdown (3Y)

Largest decline over 3 years

-21.09%

-23.33%

+2.24%

Max Drawdown (5Y)

Largest decline over 5 years

-26.18%

-33.82%

+7.64%

Max Drawdown (10Y)

Largest decline over 10 years

-40.59%

-66.02%

+25.43%

Current Drawdown

Current decline from peak

-0.26%

-38.16%

+37.90%

Average Drawdown

Average peak-to-trough decline

-7.80%

-61.46%

+53.66%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.11%

8.27%

-6.16%

Volatility

IWR vs. USL - Volatility Comparison

The current volatility for iShares Russell Midcap ETF (IWR) is 3.26%, while United States 12 Month Oil Fund LP (USL) has a volatility of 10.53%. This indicates that IWR experiences smaller price fluctuations and is considered to be less risky than USL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IWRUSLDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.26%

10.53%

-7.27%

Volatility (6M)

Calculated over the trailing 6-month period

9.84%

23.33%

-13.49%

Volatility (1Y)

Calculated over the trailing 1-year period

13.39%

28.54%

-15.15%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

18.23%

30.08%

-11.85%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

19.36%

32.35%

-12.99%

IWR vs. USL - Expense Ratio Comparison

IWR has a 0.19% expense ratio, which is lower than USL's 0.88% expense ratio.

Dividends

IWR vs. USL - Dividend Comparison

IWR's dividend yield for the trailing twelve months is around 1.15%, while USL has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
IWR
iShares Russell Midcap ETF		1.15%1.29%1.27%1.43%1.59%1.04%1.28%1.43%1.98%1.52%1.72%1.59%
USL
United States 12 Month Oil Fund LP		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

IWR and USL have a correlation of -0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

USL has higher volatility (10.53%) compared to IWR (3.26%). In terms of maximum drawdown, IWR dropped -58.78% vs USL's -89.06%.

On 10-year performance, IWR leads with 11.55% vs 10.91% for USL. On fees, IWR is cheaper at 0.19% per year. On volatility, IWR has been the lower-risk option at 3.26%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, IWR has performed better with a 11.55% return vs 10.91%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IWR is cheaper with a 0.19% expense ratio, compared with 0.88% for USL.

IWR has the higher dividend yield at 1.15%, compared with 0.00% for USL.

IWR is categorized as Mid Cap Growth Equities, while USL is Oil & Gas. IWR tracks Russell Midcap Index, while USL tracks 12 Month Light Sweet Crude Oil. They also come from different issuers: iShares and Concierge Technologies. Their fees differ too: 0.19% for IWR and 0.88% for USL.

USL currently has the higher Sharpe Ratio (2.04 vs 1.63), 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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