GFEB vs. OILK

Last updated Jun 4, 2026

GFEB (FT Cboe Vest U.S. Equity Moderate Buffer ETF - February) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - GFEB is a Options Trading fund tracking the NONE, while OILK is a Oil & Gas fund tracking the Bloomberg Commodity Balanced WTI Crude Oil Index. Both are passively managed. Over the past 3 years, GFEB returned 13.04%/yr vs 19.03%/yr for OILK. At a correlation of -0.01, they often move in opposite directions. GFEB charges 0.85%/yr vs 0.68%/yr for OILK.

Performance

GFEB vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Cboe Vest U.S. Equity Moderate Buffer ETF - February (GFEB) and ProShares K-1 Free Crude Oil Strategy ETF (OILK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GFEB achieves a 5.83% return, which is significantly lower than OILK's 64.22% return.

GFEB

• 1D: -0.21%
• 1M: 1.89%
• YTD: 5.83%
• 6M: 6.55%
• 1Y: 15.17%
• 3Y*: 13.04%
• 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*: —

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

GFEB vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
GFEB FT Cboe Vest U.S. Equity Moderate Buffer ETF - February	5.83%	11.19%	13.06%	13.76%
OILK ProShares K-1 Free Crude Oil Strategy ETF	64.22%	-11.86%	8.18%	3.90%

Correlation

The correlation between GFEB and OILK is -0.32, 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	-0.32
Correlation (3Y) Calculated over the trailing 3-year period	-0.05
Correlation (All Time) Calculated using the full available price history since Feb 22, 2023	-0.01

Over the past year, the inverse relationship between GFEB and OILK has strengthened: their correlation has moved from -0.01 to -0.32, meaning they now move in opposite directions more often than their long-term average.

GFEB vs. OILK - Sectors Allocation Comparison

Sectors	GFEB	OILK
Technology	36.2%	-
Financial Services	11.9%	-
Communication Services	10.9%	-
Consumer Cyclical	10.1%	100.0%
Healthcare	8.4%	-
Industrials	8.1%	-
Consumer Defensive	4.9%	-
Energy	3.5%	-
Utilities	2.3%	-
Real Estate	1.9%	-
Basic Materials	1.8%	-

Return for Risk

GFEB vs. OILK — Risk / Return Rank

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

GFEB

GFEB Risk / Return Rank: 84
GFEB Sharpe Ratio Rank: 85
GFEB Sortino Ratio Rank: 89
GFEB Omega Ratio Rank: 89
GFEB Calmar Ratio Rank: 70
GFEB Martin Ratio Rank: 86

OILK

OILK Risk / Return Rank: 55
OILK Sharpe Ratio Rank: 60
OILK Sortino Ratio Rank: 53
OILK Omega Ratio Rank: 54
OILK Calmar Ratio Rank: 68
OILK Martin Ratio Rank: 42

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.

GFEB vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Cboe Vest U.S. Equity Moderate Buffer ETF - February (GFEB) 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.

	GFEB	OILK	Difference
Sharpe ratio: Return per unit of total volatility	2.77	2.06	+0.70
Sortino ratio: Return per unit of downside risk	4.09	2.59	+1.50
Omega ratio: Gain probability vs. loss probability	1.56	1.34	+0.22
Calmar ratio: Return relative to maximum drawdown	3.41	3.42	0.00
Martin ratio: Return relative to average drawdown	18.40	6.91	+11.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GFEB vs. OILK - Sharpe Ratio Comparison

The current GFEB Sharpe Ratio is 2.77, which is higher than the OILK Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of GFEB and OILK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	GFEB	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.77	2.06	+0.70
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.79	0.12	+1.67

Drawdowns

GFEB vs. OILK - Drawdown Comparison

The maximum GFEB drawdown since its inception was -9.63%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for GFEB and OILK.

Drawdown Indicators

	GFEB	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-9.63%	-83.76%	+74.13%
Max Drawdown (1Y) Largest decline over 1 year	-4.46%	-17.35%	+12.89%
Max Drawdown (3Y) Largest decline over 3 years	-9.63%	-23.42%	+13.79%
Max Drawdown (5Y) Largest decline over 5 years	—	-34.69%	—
Current Drawdown Current decline from peak	-0.21%	-3.66%	+3.45%
Average Drawdown Average peak-to-trough decline	-0.69%	-32.61%	+31.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.83%	8.56%	-7.73%

Volatility

GFEB vs. OILK - Volatility Comparison

The current volatility for FT Cboe Vest U.S. Equity Moderate Buffer ETF - February (GFEB) is 0.91%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that GFEB 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.

Volatility by Period

	GFEB	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.91%	10.44%	-9.53%
Volatility (6M) Calculated over the trailing 6-month period	4.21%	23.26%	-19.05%
Volatility (1Y) Calculated over the trailing 1-year period	5.51%	28.75%	-23.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.57%	30.12%	-22.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.57%	35.97%	-28.40%

GFEB vs. OILK - Expense Ratio Comparison

GFEB has a 0.85% expense ratio, which is higher than OILK's 0.68% expense ratio.

Dividends

GFEB vs. OILK - Dividend Comparison

GFEB 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
GFEB FT Cboe Vest U.S. Equity Moderate Buffer ETF - February	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

Can I hold both GFEB and OILK in my portfolio?

GFEB and OILK have a correlation of -0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GFEB or OILK?

OILK has higher volatility (10.44%) compared to GFEB (0.91%). In terms of maximum drawdown, GFEB dropped -9.63% vs OILK's -83.76%.

Which ETF is better, GFEB or OILK?

On 3-year performance, OILK leads with 19.03% vs 13.04% for GFEB. On fees, OILK is cheaper at 0.68% per year. On volatility, GFEB has been the lower-risk option at 0.91%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GFEB or OILK?

Over the 3-year period, OILK has performed better with a 19.03% return vs 13.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GFEB or OILK?

OILK is cheaper with a 0.68% expense ratio, compared with 0.85% for GFEB.

Which ETF pays a higher dividend yield, GFEB or OILK?

OILK has the higher dividend yield at 8.18%, compared with 0.00% for GFEB.

What is the main difference between GFEB and OILK?

GFEB is categorized as Options Trading, while OILK is Oil & Gas. GFEB tracks NONE, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: FT Vest and ProShares. Their fees differ too: 0.85% for GFEB and 0.68% for OILK.

Which has better risk-adjusted returns?

GFEB currently has the higher Sharpe Ratio (2.77 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.