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EZM vs. USO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

EZM vs. USO

Last updated Jun 3, 2026

EZM (WisdomTree U.S. MidCap Earnings Fund) and USO (United States Oil Fund LP) are both exchange-traded funds - EZM is a Mid Cap Blend Equities fund tracking the WisdomTree U.S. MidCap Index, while USO is a Oil & Gas fund tracking the Front Month Light Sweet Crude Oil. Both are passively managed. Over the past 10 years, EZM returned 10.65%/yr vs 3.80%/yr for USO. At a 0.30 correlation, their price movements are largely independent. EZM charges 0.38%/yr vs 0.86%/yr for USO.

Performance

EZM vs. USO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree U.S. MidCap Earnings Fund (EZM) and United States Oil Fund LP (USO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, EZM achieves a 10.55% return, which is significantly lower than USO's 98.48% return. Over the past 10 years, EZM has outperformed USO with an annualized return of 10.65%, while USO has yielded a comparatively lower 3.80% annualized return.

EZM

1D
0.59%
1M
2.25%
YTD
10.55%
6M
11.21%
1Y
24.73%
3Y*
15.39%
5Y*
8.03%
10Y*
10.65%

USO

1D
1.31%
1M
-3.87%
YTD
98.48%
6M
95.54%
1Y
97.37%
3Y*
28.86%
5Y*
23.92%
10Y*
3.80%
*Multi-year figures are annualized to reflect compound growth (CAGR)

EZM vs. USO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
EZM
WisdomTree U.S. MidCap Earnings Fund		10.55%8.42%10.29%19.69%-12.22%31.00%5.57%24.48%-12.36%17.37%
USO
United States Oil Fund LP		98.48%-8.46%13.35%-4.94%28.97%64.68%-67.79%32.61%-19.57%2.47%

Correlation

The correlation between EZM and USO is -0.21, 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

-0.21

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

0.03

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

0.16

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

0.23

Correlation (All Time)
Calculated using the full available price history since Feb 26, 2007

0.30

The correlation between EZM and USO shifts across timeframes, from -0.21 (1 year) to 0.30 (all time), reflecting how their relationship changes across market environments.

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

WisdomTree U.S. MidCap Earnings Fund

United States Oil Fund LP

Often compared with EZM:
EZM vs. JHQAXEZM vs. IQDGEZM vs. REGLEZM vs. SPMDEZM vs. IMCGEZM vs. RFVEZM vs. MDYV
Often compared with USO:
USO vs. XLEUSO vs. BNOUSO vs. UCOUSO vs. USLUSO vs. OILKUSO vs. DBOUSO vs. WTI

Return for Risk

EZM vs. USO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
EZM
EZM Risk / Return Rank: 5151
Overall Rank
EZM Sharpe Ratio Rank: 4747
Sharpe Ratio Rank
EZM Sortino Ratio Rank: 5252
Sortino Ratio Rank
EZM Omega Ratio Rank: 4646
Omega Ratio Rank
EZM Calmar Ratio Rank: 5656
Calmar Ratio Rank
EZM Martin Ratio Rank: 5555
Martin Ratio Rank
USO
USO Risk / Return Rank: 6666
Overall Rank
USO Sharpe Ratio Rank: 6666
Sharpe Ratio Rank
USO Sortino Ratio Rank: 5959
Sortino Ratio Rank
USO Omega Ratio Rank: 6161
Omega Ratio Rank
USO Calmar Ratio Rank: 8888
Calmar Ratio Rank
USO Martin Ratio Rank: 5555
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.

EZM vs. USO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree U.S. MidCap Earnings Fund (EZM) and United States Oil Fund LP (USO). 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.

EZMUSODifference

Sharpe ratio

Return per unit of total volatility

1.67

2.22

-0.55

Sortino ratio

Return per unit of downside risk

2.54

2.81

-0.27

Omega ratio

Gain probability vs. loss probability

1.30

1.37

-0.08

Calmar ratio

Return relative to maximum drawdown

2.81

5.12

-2.31

Martin ratio

Return relative to average drawdown

9.55

9.66

-0.11

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

EZM vs. USO - Sharpe Ratio Comparison

The current EZM Sharpe Ratio is 1.67, which is comparable to the USO Sharpe Ratio of 2.22. The chart below compares the historical Sharpe Ratios of EZM and USO, 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

EZMUSODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.67

2.22

-0.55

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.40

0.67

-0.27

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.48

0.10

+0.38

Sharpe Ratio (All Time)

Calculated using the full available price history

0.41

-0.18

+0.59

Drawdowns

EZM vs. USO - Drawdown Comparison

The maximum EZM drawdown since its inception was -59.58%, smaller than the maximum USO drawdown of -98.19%. Use the drawdown chart below to compare losses from any high point for EZM and USO.

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Drawdown Indicators

EZMUSODifference

Max Drawdown

Largest peak-to-trough decline

-59.58%

-98.19%

+38.61%

Max Drawdown (1Y)

Largest decline over 1 year

-8.70%

-20.39%

+11.69%

Max Drawdown (3Y)

Largest decline over 3 years

-23.53%

-26.05%

+2.52%

Max Drawdown (5Y)

Largest decline over 5 years

-23.53%

-36.23%

+12.70%

Max Drawdown (10Y)

Largest decline over 10 years

-47.26%

-86.75%

+39.49%

Current Drawdown

Current decline from peak

0.00%

-85.39%

+85.39%

Average Drawdown

Average peak-to-trough decline

-8.27%

-75.30%

+67.03%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.56%

10.81%

-8.25%

Volatility

EZM vs. USO - Volatility Comparison

The current volatility for WisdomTree U.S. MidCap Earnings Fund (EZM) is 3.66%, while United States Oil Fund LP (USO) has a volatility of 15.03%. This indicates that EZM experiences smaller price fluctuations and is considered to be less risky than USO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

EZMUSODifference

Volatility (1M)

Calculated over the trailing 1-month period

3.66%

15.03%

-11.37%

Volatility (6M)

Calculated over the trailing 6-month period

10.25%

38.18%

-27.93%

Volatility (1Y)

Calculated over the trailing 1-year period

14.88%

44.26%

-29.38%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

20.42%

36.04%

-15.62%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

22.36%

39.00%

-16.64%

EZM vs. USO - Expense Ratio Comparison

EZM has a 0.38% expense ratio, which is lower than USO's 0.86% expense ratio.

Dividends

EZM vs. USO - Dividend Comparison

EZM's dividend yield for the trailing twelve months is around 1.26%, while USO has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
EZM
WisdomTree U.S. MidCap Earnings Fund		1.26%1.39%1.22%1.25%1.57%1.08%1.67%1.34%1.57%1.14%1.55%1.30%
USO
United States 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

EZM and USO have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

USO has higher volatility (15.03%) compared to EZM (3.66%). In terms of maximum drawdown, EZM dropped -59.58% vs USO's -98.19%.

On 10-year performance, EZM leads with 10.65% vs 3.80% for USO. On fees, EZM is cheaper at 0.38% per year. On volatility, EZM has been the lower-risk option at 3.66%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, EZM has performed better with a 10.65% return vs 3.80%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

EZM is cheaper with a 0.38% expense ratio, compared with 0.86% for USO.

EZM has the higher dividend yield at 1.26%, compared with 0.00% for USO.

EZM is categorized as Mid Cap Blend Equities, while USO is Oil & Gas. EZM tracks WisdomTree U.S. MidCap Index, while USO tracks Front Month Light Sweet Crude Oil. They also come from different issuers: WisdomTree and USCF. Their fees differ too: 0.38% for EZM and 0.86% for USO.

USO currently has the higher Sharpe Ratio (2.22 vs 1.67), 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.

Portfolio Optimizer

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