IEZ vs. BESF
IEZ (iShares U.S. Oil Equipment & Services ETF) and BESF (Bastion Energy ETF) are both Energy Equities funds. IEZ is passively managed, while BESF is actively managed. Over the past year, IEZ returned 64.80% vs 61.61% for BESF. At a 0.45 correlation, their price movements are largely independent. IEZ charges 0.42%/yr vs 0.80%/yr for BESF.
Performance
IEZ vs. BESF - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IEZ achieves a 33.32% return, which is significantly higher than BESF's 16.12% return.
IEZ
- 1D
- -0.72%
- 1M
- -12.99%
- YTD
- 33.32%
- 6M
- 33.77%
- 1Y
- 64.80%
- 3Y*
- 15.70%
- 5Y*
- 12.80%
- 10Y*
- -1.46%
BESF
- 1D
- 1.01%
- 1M
- -6.28%
- YTD
- 16.12%
- 6M
- 15.17%
- 1Y
- 61.61%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IEZ vs. BESF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IEZ iShares U.S. Oil Equipment & Services ETF | 33.32% | 25.21% |
BESF Bastion Energy ETF | 16.12% | 38.76% |
Correlation
The correlation between IEZ and BESF is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.44 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2025 | 0.45 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IEZ vs. BESF — Risk / Return Rank
IEZ
BESF
IEZ vs. BESF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Oil Equipment & Services ETF (IEZ) and Bastion Energy ETF (BESF). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IEZ | BESF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.28 | ||
| Sortino ratioReturn per unit of downside risk | -0.43 | ||
| Omega ratioGain probability vs. loss probability | 1.36 | 1.41 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | 4.35 | 5.64 | -1.30 |
| Martin ratioReturn relative to average drawdown | 15.22 | 15.57 | -0.35 |
Loading charts...
Drawdowns
IEZ vs. BESF - Drawdown Comparison
The maximum IEZ drawdown since its inception was -92.52%, which is greater than BESF's maximum drawdown of -10.97%. Use the drawdown chart below to compare losses from any high point for IEZ and BESF.
Loading charts...
Drawdown Indicators
| IEZ | BESF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.52% | -10.97% | -81.55% |
Max Drawdown (1Y)Largest decline over 1 year | -14.97% | -10.97% | -4.00% |
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 DrawdownCurrent decline from peak | -56.00% | -8.73% | -47.27% |
Average DrawdownAverage peak-to-trough decline | -48.26% | -2.74% | -45.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.27% | 3.97% | +0.30% |
Volatility
IEZ vs. BESF - Volatility Comparison
iShares U.S. Oil Equipment & Services ETF (IEZ) has a higher volatility of 9.89% compared to Bastion Energy ETF (BESF) at 6.97%. This indicates that IEZ's price experiences larger fluctuations and is considered to be riskier than BESF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IEZ | BESF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.89% | 6.97% | +2.92% |
Volatility (6M)Calculated over the trailing 6-month period | 20.84% | 14.93% | +5.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.51% | 24.75% | +4.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.32% | 24.39% | +11.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.52% | 24.39% | +17.13% |
IEZ vs. BESF - Expense Ratio Comparison
IEZ has a 0.42% expense ratio, which is lower than BESF's 0.80% expense ratio.
Dividends
IEZ vs. BESF - Dividend Comparison
IEZ's dividend yield for the trailing twelve months is around 1.24%, less than BESF's 5.86% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BESF Bastion Energy ETF | 5.86% | 6.39% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IEZ iShares U.S. Oil Equipment & Services ETF | 1.24% | 1.87% | 1.76% | 0.97% | 0.65% | 1.20% | 2.07% | 2.28% | 1.81% | 3.42% | 0.91% | 2.40% |
Frequently Asked Questions
IEZ and BESF have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IEZ has higher volatility (9.89%) compared to BESF (6.97%). In terms of maximum drawdown, IEZ dropped -92.52% vs BESF's -10.97%.
On 1-year performance, IEZ leads with 64.80% vs 61.61% for BESF. On fees, IEZ is cheaper at 0.42% per year. On volatility, BESF has been the lower-risk option at 6.97%. 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 64.80% return vs 61.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IEZ is cheaper with a 0.42% expense ratio, compared with 0.80% for BESF.
BESF has the higher dividend yield at 5.86%, compared with 1.24% for IEZ.
They also come from different issuers: iShares and Bastion. Their fees differ too: 0.42% for IEZ and 0.80% for BESF.
BESF currently has the higher Sharpe Ratio (2.52 vs 2.23), 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.
Find the right allocation for IEZ and BESF
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer