BESF vs. IEZ
BESF (Bastion Energy ETF) and IEZ (iShares U.S. Oil Equipment & Services ETF) are both Energy Equities funds. BESF is actively managed, while IEZ is passively managed. Over the past year, BESF returned 61.61% vs 64.80% for IEZ. At a 0.45 correlation, their price movements are largely independent. BESF charges 0.80%/yr vs 0.42%/yr for IEZ.
Performance
BESF vs. IEZ - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BESF achieves a 16.12% return, which is significantly lower than IEZ's 33.32% return.
BESF
- 1D
- 1.01%
- 1M
- -6.28%
- YTD
- 16.12%
- 6M
- 15.17%
- 1Y
- 61.61%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
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 vs. IEZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BESF Bastion Energy ETF | 16.12% | 38.76% |
IEZ iShares U.S. Oil Equipment & Services ETF | 33.32% | 25.21% |
Correlation
The correlation between BESF and IEZ 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
BESF vs. IEZ — Risk / Return Rank
BESF
IEZ
BESF vs. IEZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Bastion Energy ETF (BESF) 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.
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.
| BESF | IEZ | 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 | 1.41 | 1.36 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 5.64 | 4.35 | +1.30 |
| Martin ratioReturn relative to average drawdown | 15.57 | 15.22 | +0.35 |
Loading charts...
Drawdowns
BESF vs. IEZ - Drawdown Comparison
The maximum BESF drawdown since its inception was -10.97%, smaller than the maximum IEZ drawdown of -92.52%. Use the drawdown chart below to compare losses from any high point for BESF and IEZ.
Loading charts...
Drawdown Indicators
| BESF | IEZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -10.97% | -92.52% | +81.55% |
Max Drawdown (1Y)Largest decline over 1 year | -10.97% | -14.97% | +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 | -8.73% | -56.00% | +47.27% |
Average DrawdownAverage peak-to-trough decline | -2.74% | -48.26% | +45.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.97% | 4.27% | -0.30% |
Volatility
BESF vs. IEZ - Volatility Comparison
The current volatility for Bastion Energy ETF (BESF) is 6.97%, while iShares U.S. Oil Equipment & Services ETF (IEZ) has a volatility of 9.89%. This indicates that BESF experiences smaller price fluctuations and is considered to be less risky than IEZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BESF | IEZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.97% | 9.89% | -2.92% |
Volatility (6M)Calculated over the trailing 6-month period | 14.93% | 20.84% | -5.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.75% | 29.51% | -4.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.39% | 36.32% | -11.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.39% | 41.52% | -17.13% |
BESF vs. IEZ - Expense Ratio Comparison
BESF has a 0.80% expense ratio, which is higher than IEZ's 0.42% expense ratio.
Dividends
BESF vs. IEZ - Dividend Comparison
BESF's dividend yield for the trailing twelve months is around 5.86%, more than IEZ's 1.24% 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
BESF and IEZ 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, BESF dropped -10.97% vs IEZ's -92.52%.
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: Bastion and iShares. Their fees differ too: 0.80% for BESF and 0.42% for IEZ.
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 BESF and IEZ
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