BUFM vs. OILK
BUFM (AB Moderate Buffer ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - BUFM is a Defined Outcome fund actively managed by AllianceBernstein, while OILK is a Oil & Gas fund tracking the Bloomberg Commodity Balanced WTI Crude Oil Index. BUFM is actively managed, while OILK is passively managed. Over the past year, BUFM returned 12.60% vs 58.99% for OILK. At a correlation of -0.04, they often move in opposite directions. BUFM charges 0.69%/yr vs 0.68%/yr for OILK.
Performance
BUFM vs. OILK - Performance Comparison
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Returns By Period
In the year-to-date period, BUFM achieves a 3.71% return, which is significantly lower than OILK's 64.22% return.
BUFM
- 1D
- -0.13%
- 1M
- 2.19%
- YTD
- 3.71%
- 6M
- 4.16%
- 1Y
- 12.60%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
OILK
- 1D
- 1.40%
- 1M
- -1.65%
- YTD
- 64.22%
- 6M
- 60.70%
- 1Y
- 58.99%
- 3Y*
- 19.03%
- 5Y*
- 17.73%
- 10Y*
- —
BUFM vs. OILK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
BUFM AB Moderate Buffer ETF | 3.71% | 12.94% | -1.10% |
OILK ProShares K-1 Free Crude Oil Strategy ETF | 64.22% | -11.86% | 4.21% |
Correlation
The correlation between BUFM and OILK is -0.24, 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 | -0.24 |
Correlation (All Time) Calculated using the full available price history since Dec 11, 2024 | -0.04 |
The correlation between BUFM and OILK shifts across timeframes, from -0.24 (1 year) to -0.04 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
BUFM vs. OILK — Risk / Return Rank
BUFM
OILK
BUFM vs. OILK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AB Moderate Buffer ETF (BUFM) and ProShares K-1 Free Crude Oil Strategy ETF (OILK). 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.
| BUFM | OILK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.13 | ||
| Sortino ratioReturn per unit of downside risk | +0.46 | ||
| Omega ratioGain probability vs. loss probability | 1.42 | 1.34 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 3.11 | 3.42 | -0.31 |
| Martin ratioReturn relative to average drawdown | 11.49 | 6.91 | +4.58 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BUFM | OILK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.19 | 2.06 | +0.13 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.59 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.12 | 0.12 | +1.01 |
Drawdowns
BUFM vs. OILK - Drawdown Comparison
The maximum BUFM drawdown since its inception was -9.43%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for BUFM and OILK.
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Drawdown Indicators
| BUFM | OILK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.43% | -83.76% | +74.33% |
Max Drawdown (1Y)Largest decline over 1 year | -4.07% | -17.35% | +13.28% |
Max Drawdown (3Y)Largest decline over 3 years | — | -23.42% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -34.69% | — |
Current DrawdownCurrent decline from peak | -0.13% | -3.66% | +3.53% |
Average DrawdownAverage peak-to-trough decline | -0.99% | -32.61% | +31.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.10% | 8.56% | -7.46% |
Volatility
BUFM vs. OILK - Volatility Comparison
The current volatility for AB Moderate Buffer ETF (BUFM) is 1.05%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that BUFM experiences smaller price fluctuations and is considered to be less risky than OILK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFM | OILK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.05% | 10.44% | -9.39% |
Volatility (6M)Calculated over the trailing 6-month period | 4.37% | 23.26% | -18.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.77% | 28.75% | -22.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.43% | 30.12% | -20.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.43% | 35.97% | -26.54% |
BUFM vs. OILK - Expense Ratio Comparison
BUFM has a 0.69% expense ratio, which is higher than OILK's 0.68% expense ratio.
Dividends
BUFM vs. OILK - Dividend Comparison
BUFM has not paid dividends to shareholders, while OILK's dividend yield for the trailing twelve months is around 8.18%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
BUFM AB Moderate Buffer ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
OILK ProShares K-1 Free Crude Oil Strategy ETF | 8.18% | 4.79% | 3.11% | 5.80% | 17.32% | 68.82% | 0.13% | 0.94% | 0.58% | 6.17% |
Frequently Asked Questions
BUFM and OILK have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OILK has higher volatility (10.44%) compared to BUFM (1.05%). In terms of maximum drawdown, BUFM dropped -9.43% vs OILK's -83.76%.
On 1-year performance, OILK leads with 58.99% vs 12.60% for BUFM. On fees, OILK is cheaper at 0.68% per year. On volatility, BUFM has been the lower-risk option at 1.05%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, OILK has performed better with a 58.99% return vs 12.60%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
OILK is cheaper with a 0.68% expense ratio, compared with 0.69% for BUFM.
OILK has the higher dividend yield at 8.18%, compared with 0.00% for BUFM.
BUFM is categorized as Defined Outcome, while OILK is Oil & Gas. They also come from different issuers: AllianceBernstein and ProShares. Their fees differ too: 0.69% for BUFM and 0.68% for OILK.
BUFM currently has the higher Sharpe Ratio (2.19 vs 2.06), 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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