IEZ vs. BZ=F

Last updated Apr 2, 2026

Compare and contrast key facts about iShares U.S. Oil Equipment & Services ETF (IEZ) and Crude Oil Brent (BZ=F).

IEZ is a passively managed fund by iShares that tracks the performance of the Dow Jones U.S. Select Oil Equipment & Services Index. It was launched on May 5, 2006.

Performance

IEZ vs. BZ=F - Performance Comparison

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

IEZ vs. BZ=F - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IEZ iShares U.S. Oil Equipment & Services ETF	36.41%	7.51%	-8.15%	4.43%	65.73%	15.98%	-42.98%	1.82%	-42.47%	-18.18%
BZ=F Crude Oil Brent	64.83%	-18.48%	-3.12%	-10.32%	10.45%	50.15%	-21.52%	22.68%	-19.55%	17.69%

Returns By Period

In the year-to-date period, IEZ achieves a 36.41% return, which is significantly lower than BZ=F's 64.83% return. Over the past 10 years, IEZ has underperformed BZ=F with an annualized return of -0.25%, while BZ=F has yielded a comparatively higher 10.00% annualized return.

IEZ

• 1D: -1.90%
• 1M: -1.77%
• YTD: 36.41%
• 6M: 46.27%
• 1Y: 46.18%
• 3Y*: 15.43%
• 5Y*: 16.95%
• 10Y*: -0.25%

BZ=F

• 1D: -15.25%
• 1M: 29.02%
• YTD: 64.83%
• 6M: 53.48%
• 1Y: 34.65%
• 3Y*: 7.93%
• 5Y*: 9.11%
• 10Y*: 10.00%

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

Return for Risk

IEZ vs. BZ=F — Risk / Return Rank

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

IEZ

IEZ Risk / Return Rank: 64
IEZ Sharpe Ratio Rank: 68
IEZ Sortino Ratio Rank: 67
IEZ Omega Ratio Rank: 65
IEZ Calmar Ratio Rank: 69
IEZ Martin Ratio Rank: 50

BZ=F

BZ=F Risk / Return Rank: 26
BZ=F Sharpe Ratio Rank: 18
BZ=F Sortino Ratio Rank: 19
BZ=F Omega Ratio Rank: 19
BZ=F Calmar Ratio Rank: 44
BZ=F Martin Ratio Rank: 29

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.

IEZ vs. BZ=F - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Oil Equipment & Services ETF (IEZ) and Crude Oil Brent (BZ=F). 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.

	IEZ	BZ=F	Difference
Sharpe ratio Return per unit of total volatility	1.25	0.72	+0.54
Sortino ratio Return per unit of downside risk	1.75	1.17	+0.57
Omega ratio Gain probability vs. loss probability	1.25	1.17	+0.08
Calmar ratio Return relative to maximum drawdown	1.89	2.20	-0.31
Martin ratio Return relative to average drawdown	5.15	3.87	+1.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IEZ vs. BZ=F - Sharpe Ratio Comparison

The current IEZ Sharpe Ratio is 1.25, which is higher than the BZ=F Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of IEZ and BZ=F, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IEZ	BZ=F	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.25	0.72	+0.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.46	0.24	+0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.01	0.25	-0.26
Sharpe Ratio (All Time) Calculated using the full available price history	-0.05	0.14	-0.19

Correlation

The correlation between IEZ and BZ=F is 0.54, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Drawdowns

IEZ vs. BZ=F - Drawdown Comparison

The maximum IEZ drawdown since its inception was -92.52%, which is greater than BZ=F's maximum drawdown of -86.77%. Use the drawdown chart below to compare losses from any high point for IEZ and BZ=F.

Drawdown Indicators

	IEZ	BZ=F	Difference
Max Drawdown Largest peak-to-trough decline	-92.52%	-86.77%	-5.75%
Max Drawdown (1Y) Largest decline over 1 year	-25.55%	-23.58%	-1.97%
Max Drawdown (5Y) Largest decline over 5 years	-40.25%	-53.96%	+13.71%
Max Drawdown (10Y) Largest decline over 10 years	-88.29%	-77.60%	-10.69%
Current Drawdown Current decline from peak	-54.98%	-31.34%	-23.64%
Average Drawdown Average peak-to-trough decline	-48.23%	-41.03%	-7.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.38%	13.39%	-4.01%

Volatility

IEZ vs. BZ=F - Volatility Comparison

The current volatility for iShares U.S. Oil Equipment & Services ETF (IEZ) is 9.27%, while Crude Oil Brent (BZ=F) has a volatility of 32.42%. This indicates that IEZ experiences smaller price fluctuations and is considered to be less risky than BZ=F based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IEZ	BZ=F	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.27%	32.42%	-23.15%
Volatility (6M) Calculated over the trailing 6-month period	21.26%	37.17%	-15.91%
Volatility (1Y) Calculated over the trailing 1-year period	37.00%	42.17%	-5.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.02%	35.75%	+1.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.66%	38.57%	+3.09%