DEF vs. OILK

Last updated Jun 4, 2026

DEF (Invesco Defensive Equity ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - DEF is a Large Cap Growth Equities fund tracking the Invesco Defensive Equity Index, while OILK is a Oil & Gas fund tracking the Bloomberg Commodity Balanced WTI Crude Oil Index. Both are passively managed. Over the past 5 years, DEF returned 7.41%/yr vs 17.73%/yr for OILK. At a 0.12 correlation, their price movements are largely independent. DEF charges 0.53%/yr vs 0.68%/yr for OILK.

Performance

DEF vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Defensive Equity ETF (DEF) 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, DEF achieves a -2.29% return, which is significantly lower than OILK's 64.22% return.

DEF

• 1D: 0.04%
• 1M: 0.44%
• YTD: -2.29%
• 6M: -2.55%
• 1Y: 4.21%
• 3Y*: 10.86%
• 5Y*: 7.41%
• 10Y*: 10.28%

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)

DEF vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DEF Invesco Defensive Equity ETF	-2.29%	11.71%	13.18%	10.58%	-7.67%	24.93%	7.61%	27.98%	-3.96%	21.52%
OILK ProShares K-1 Free Crude Oil Strategy ETF	64.22%	-11.86%	8.18%	-0.97%	27.57%	63.71%	-61.09%	30.48%	-20.40%	2.82%

Correlation

The correlation between DEF and OILK is -0.26, 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	-0.26
Correlation (3Y) Calculated over the trailing 3-year period	-0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.06
Correlation (All Time) Calculated using the full available price history since Sep 29, 2016	0.12

The correlation between DEF and OILK shifts across timeframes, from -0.26 (1 year) to 0.12 (all time), reflecting how their relationship changes across market environments.

DEF vs. OILK - Sectors Allocation Comparison

Sectors	DEF	OILK
Healthcare	16.8%	-
Financial Services	16.1%	-
Industrials	15.6%	-
Consumer Defensive	12.9%	-
Technology	12.1%	-
Consumer Cyclical	10.1%	100.0%
Utilities	4.8%	-
Communication Services	4.7%	-
Real Estate	3.8%	-
Basic Materials	2.1%	-
Energy	1.0%	-

Return for Risk

DEF vs. OILK — Risk / Return Rank

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

DEF

DEF Risk / Return Rank: 14
DEF Sharpe Ratio Rank: 14
DEF Sortino Ratio Rank: 13
DEF Omega Ratio Rank: 13
DEF Calmar Ratio Rank: 14
DEF Martin Ratio Rank: 15

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.

DEF vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Defensive Equity ETF (DEF) 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.

	DEF	OILK	Difference
Sharpe ratio: Return per unit of total volatility	0.36	2.06	-1.70
Sortino ratio: Return per unit of downside risk	0.61	2.59	-1.98
Omega ratio: Gain probability vs. loss probability	1.07	1.34	-0.27
Calmar ratio: Return relative to maximum drawdown	0.43	3.42	-2.98
Martin ratio: Return relative to average drawdown	1.18	6.91	-5.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DEF vs. OILK - Sharpe Ratio Comparison

The current DEF Sharpe Ratio is 0.36, which is lower than the OILK Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of DEF 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

	DEF	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.36	2.06	-1.70
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	0.59	-0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.64	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	0.12	+0.42

Drawdowns

DEF vs. OILK - Drawdown Comparison

The maximum DEF drawdown since its inception was -47.91%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for DEF and OILK.

Drawdown Indicators

	DEF	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-47.91%	-83.76%	+35.85%
Max Drawdown (1Y) Largest decline over 1 year	-9.76%	-17.35%	+7.59%
Max Drawdown (3Y) Largest decline over 3 years	-15.00%	-23.42%	+8.42%
Max Drawdown (5Y) Largest decline over 5 years	-17.75%	-34.69%	+16.94%
Max Drawdown (10Y) Largest decline over 10 years	-36.53%	—	—
Current Drawdown Current decline from peak	-6.44%	-3.66%	-2.78%
Average Drawdown Average peak-to-trough decline	-6.24%	-32.61%	+26.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.59%	8.56%	-4.97%

Volatility

DEF vs. OILK - Volatility Comparison

The current volatility for Invesco Defensive Equity ETF (DEF) is 3.12%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that DEF 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

	DEF	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.12%	10.44%	-7.32%
Volatility (6M) Calculated over the trailing 6-month period	8.80%	23.26%	-14.46%
Volatility (1Y) Calculated over the trailing 1-year period	11.73%	28.75%	-17.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.92%	30.12%	-16.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.05%	35.97%	-19.92%

DEF vs. OILK - Expense Ratio Comparison

DEF has a 0.53% expense ratio, which is lower than OILK's 0.68% expense ratio.

Dividends

DEF vs. OILK - Dividend Comparison

DEF's dividend yield for the trailing twelve months is around 0.96%, less than OILK's 8.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DEF Invesco Defensive Equity ETF	0.96%	0.94%	0.79%	1.60%	1.48%	1.06%	1.34%	1.16%	1.39%	1.63%	2.18%	3.31%
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%	0.00%	0.00%

Frequently Asked Questions

Can I hold both DEF and OILK in my portfolio?

DEF and OILK have a correlation of -0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DEF or OILK?

OILK has higher volatility (10.44%) compared to DEF (3.12%). In terms of maximum drawdown, DEF dropped -47.91% vs OILK's -83.76%.

Which ETF is better, DEF or OILK?

On 5-year performance, OILK leads with 17.73% vs 7.41% for DEF. On fees, DEF is cheaper at 0.53% per year. On volatility, DEF has been the lower-risk option at 3.12%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DEF or OILK?

Over the 5-year period, OILK has performed better with a 17.73% return vs 7.41%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DEF or OILK?

DEF is cheaper with a 0.53% expense ratio, compared with 0.68% for OILK.

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

OILK has the higher dividend yield at 8.18%, compared with 0.96% for DEF.

What is the main difference between DEF and OILK?

DEF is categorized as Large Cap Growth Equities, while OILK is Oil & Gas. DEF tracks Invesco Defensive Equity Index, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: Invesco and ProShares. Their fees differ too: 0.53% for DEF and 0.68% for OILK.

Which has better risk-adjusted returns?

OILK currently has the higher Sharpe Ratio (2.06 vs 0.36), 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.