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OILT vs. IEZ
Performance
Return for Risk
Drawdowns
Volatility
Dividends

OILT vs. IEZ

Last updated Jun 4, 2026

OILT (Texas Capital Texas Oil Index ETF) and IEZ (iShares U.S. Oil Equipment & Services ETF) are both Energy Equities funds - OILT tracks the Alerian Texas Weighted Oil and Gas Index - Benchmark TR Gross while IEZ tracks the Dow Jones U.S. Select Oil Equipment & Services Index. Both are passively managed. Over the past year, OILT returned 47.26% vs 85.10% for IEZ. A 0.75 correlation means they provide meaningful diversification when combined. OILT charges 0.35%/yr vs 0.42%/yr for IEZ.

Performance

OILT vs. IEZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Texas Capital Texas Oil Index ETF (OILT) and iShares U.S. Oil Equipment & Services ETF (IEZ). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, OILT achieves a 35.33% return, which is significantly lower than IEZ's 47.84% return.

OILT

1D
1.74%
1M
-4.77%
YTD
35.33%
6M
29.79%
1Y
47.26%
3Y*
—
5Y*
—
10Y*
—

IEZ

1D
0.03%
1M
-3.54%
YTD
47.84%
6M
42.02%
1Y
85.10%
3Y*
19.17%
5Y*
13.91%
10Y*
-0.13%
*Multi-year figures are annualized to reflect compound growth (CAGR)

OILT vs. IEZ - Yearly Performance Comparison

2026 (YTD)202520242023
OILT
Texas Capital Texas Oil Index ETF		35.33%-3.30%0.87%-0.16%
IEZ
iShares U.S. Oil Equipment & Services ETF		47.84%7.51%-8.15%-0.54%

Correlation

The correlation between OILT and IEZ is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.67

Correlation (All Time)
Calculated using the full available price history since Dec 22, 2023

0.75

The correlation between OILT and IEZ has been stable across timeframes, ranging from 0.67 to 0.75 - a consistent structural relationship.

OILT vs. IEZ - Sectors Allocation Comparison

Sectors
OILT
IEZ

Energy

94.2%
98.8%

Utilities

5.8%
1.0%

Basic Materials

-

-

Communication Services

-

-

Consumer Cyclical

-

-

Consumer Defensive

-

-

Financial Services

-

-

Healthcare

-

-

Industrials

-

0.6%

Real Estate

-

-

Technology

-

-

Energy

OILT
94.2%
IEZ
98.8%

Utilities

OILT
5.8%
IEZ
1.0%

Basic Materials

OILT

-

IEZ

-

Communication Services

OILT

-

IEZ

-

Consumer Cyclical

OILT

-

IEZ

-

Consumer Defensive

OILT

-

IEZ

-

Financial Services

OILT

-

IEZ

-

Healthcare

OILT

-

IEZ

-

Industrials

OILT

-

IEZ
0.6%

Real Estate

OILT

-

IEZ

-

Technology

OILT

-

IEZ

-

Compare stocks, funds, or ETFs

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

Texas Capital Texas Oil Index ETF

iShares U.S. Oil Equipment & Services ETF

Often compared with OILT:
OILT vs. CHIN.DEOILT vs. GOLDXOILT vs. SPYOILT vs. XLEOILT vs. USOOILT vs. AALOILT vs. MSFT
Often compared with IEZ:
IEZ vs. XESIEZ vs. XOPIEZ vs. FCGIEZ vs. EZUIEZ vs. IEOIEZ vs. IBBQIEZ vs. USO

Return for Risk

OILT vs. IEZ — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
OILT
OILT Risk / Return Rank: 5151
Overall Rank
OILT Sharpe Ratio Rank: 4949
Sharpe Ratio Rank
OILT Sortino Ratio Rank: 4545
Sortino Ratio Rank
OILT Omega Ratio Rank: 4242
Omega Ratio Rank
OILT Calmar Ratio Rank: 7070
Calmar Ratio Rank
OILT Martin Ratio Rank: 5050
Martin Ratio Rank
IEZ
IEZ Risk / Return Rank: 8787
Overall Rank
IEZ Sharpe Ratio Rank: 8888
Sharpe Ratio Rank
IEZ Sortino Ratio Rank: 8282
Sortino Ratio Rank
IEZ Omega Ratio Rank: 7777
Omega Ratio Rank
IEZ Calmar Ratio Rank: 9595
Calmar Ratio Rank
IEZ Martin Ratio Rank: 9292
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.

OILT vs. IEZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Texas Capital Texas Oil Index ETF (OILT) and iShares U.S. Oil Equipment & Services ETF (IEZ). 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.

OILTIEZDifference
Sharpe ratioReturn per unit of total volatility
1.70
3.00

-1.30

Sortino ratioReturn per unit of downside risk
2.25
3.71

-1.46

Omega ratioGain probability vs. loss probability

1.27

1.46

-0.19

Calmar ratioReturn relative to maximum drawdown

3.44

8.29

-4.85

Martin ratioReturn relative to average drawdown

8.37

22.60

-14.23

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

OILT vs. IEZ - Sharpe Ratio Comparison

The current OILT Sharpe Ratio is 1.70, which is lower than the IEZ Sharpe Ratio of 3.00. The chart below compares the historical Sharpe Ratios of OILT and IEZ, 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

OILTIEZDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.70

3.00

-1.30

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

—

0.38

—

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

—

-0.00

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.42

-0.04

+0.46

Drawdowns

OILT vs. IEZ - Drawdown Comparison

The maximum OILT drawdown since its inception was -35.21%, smaller than the maximum IEZ drawdown of -92.52%. Use the drawdown chart below to compare losses from any high point for OILT and IEZ.

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Drawdown Indicators

OILTIEZDifference

Max Drawdown

Largest peak-to-trough decline

-35.21%

-92.52%

+57.31%

Max Drawdown (1Y)

Largest decline over 1 year

-13.79%

-10.32%

-3.47%

Max Drawdown (3Y)

Largest decline over 3 years

—

-40.25%

—

Max Drawdown (5Y)

Largest decline over 5 years

—

-40.25%

—

Max Drawdown (10Y)

Largest decline over 10 years

—

-88.29%

—

Current Drawdown

Current decline from peak

-8.67%

-51.21%

+42.54%

Average Drawdown

Average peak-to-trough decline

-12.93%

-48.26%

+35.33%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.66%

3.78%

+1.88%

Volatility

OILT vs. IEZ - Volatility Comparison

Texas Capital Texas Oil Index ETF (OILT) has a higher volatility of 9.94% compared to iShares U.S. Oil Equipment & Services ETF (IEZ) at 7.95%. This indicates that OILT's price experiences larger fluctuations and is considered to be riskier than IEZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

OILTIEZDifference

Volatility (1M)

Calculated over the trailing 1-month period

9.94%

7.95%

+1.99%

Volatility (6M)

Calculated over the trailing 6-month period

21.13%

20.11%

+1.02%

Volatility (1Y)

Calculated over the trailing 1-year period

28.09%

28.62%

-0.53%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

28.72%

36.35%

-7.63%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

28.72%

41.56%

-12.84%

OILT vs. IEZ - Expense Ratio Comparison

OILT has a 0.35% expense ratio, which is lower than IEZ's 0.42% expense ratio.

Dividends

OILT vs. IEZ - Dividend Comparison

OILT's dividend yield for the trailing twelve months is around 2.43%, more than IEZ's 1.18% yield.

PositionTTM20252024202320222021202020192018201720162015
IEZ
iShares U.S. Oil Equipment & Services ETF		1.18%1.87%1.76%0.97%0.65%1.20%2.07%2.28%1.81%3.42%0.91%2.40%
OILT
Texas Capital Texas Oil Index ETF		2.43%3.12%2.63%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

OILT and IEZ have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

OILT has higher volatility (9.94%) compared to IEZ (7.95%). In terms of maximum drawdown, OILT dropped -35.21% vs IEZ's -92.52%.

On 1-year performance, IEZ leads with 85.10% vs 47.26% for OILT. On fees, OILT is cheaper at 0.35% per year. On volatility, IEZ has been the lower-risk option at 7.95%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 1-year period, IEZ has performed better with a 85.10% return vs 47.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

OILT is cheaper with a 0.35% expense ratio, compared with 0.42% for IEZ.

OILT has the higher dividend yield at 2.43%, compared with 1.18% for IEZ.

OILT tracks Alerian Texas Weighted Oil and Gas Index - Benchmark TR Gross, while IEZ tracks Dow Jones U.S. Select Oil Equipment & Services Index. They also come from different issuers: Texas Capital and iShares. Their fees differ too: 0.35% for OILT and 0.42% for IEZ.

IEZ currently has the higher Sharpe Ratio (3.00 vs 1.70), 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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