CDEI vs. OILK

Last updated Jun 4, 2026

CDEI (Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - CDEI is a Large Cap Blend Equities fund tracking the Russell 1000 Index, 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, CDEI returned 19.04%/yr vs 19.03%/yr for OILK. At a correlation of -0.04, they often move in opposite directions. CDEI charges 0.14%/yr vs 0.68%/yr for OILK.

Performance

CDEI vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF (CDEI) 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, CDEI achieves a 8.69% return, which is significantly lower than OILK's 64.22% return.

CDEI

• 1D: -1.07%
• 1M: 4.21%
• YTD: 8.69%
• 6M: 8.86%
• 1Y: 26.09%
• 3Y*: 19.04%
• 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)

CDEI vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
CDEI Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF	8.69%	16.60%	18.67%	20.47%
OILK ProShares K-1 Free Crude Oil Strategy ETF	64.22%	-11.86%	8.18%	2.79%

Correlation

The correlation between CDEI and OILK is -0.34, 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	-0.34
Correlation (3Y) Calculated over the trailing 3-year period	-0.08
Correlation (All Time) Calculated using the full available price history since Feb 2, 2023	-0.04

Over the past year, the inverse relationship between CDEI and OILK has strengthened: their correlation has moved from -0.04 to -0.34, meaning they now move in opposite directions more often than their long-term average.

CDEI vs. OILK - Sectors Allocation Comparison

Sectors	CDEI	OILK
Technology	40.9%	-
Financial Services	15.6%	-
Communication Services	12.3%	-
Healthcare	9.8%	-
Consumer Cyclical	6.5%	100.0%
Industrials	5.2%	-
Consumer Defensive	4.9%	-
Utilities	2.3%	-
Real Estate	1.6%	-
Energy	0.5%	-
Basic Materials	0.3%	-

Return for Risk

CDEI vs. OILK — Risk / Return Rank

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

CDEI

CDEI Risk / Return Rank: 63
CDEI Sharpe Ratio Rank: 66
CDEI Sortino Ratio Rank: 66
CDEI Omega Ratio Rank: 63
CDEI Calmar Ratio Rank: 54
CDEI Martin Ratio Rank: 64

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.

CDEI vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF (CDEI) 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.

	CDEI	OILK	Difference
Sharpe ratio: Return per unit of total volatility	2.18	2.06	+0.12
Sortino ratio: Return per unit of downside risk	3.02	2.59	+0.43
Omega ratio: Gain probability vs. loss probability	1.38	1.34	+0.04
Calmar ratio: Return relative to maximum drawdown	2.65	3.42	-0.77
Martin ratio: Return relative to average drawdown	11.52	6.91	+4.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CDEI vs. OILK - Sharpe Ratio Comparison

The current CDEI Sharpe Ratio is 2.18, which is comparable to the OILK Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of CDEI 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

	CDEI	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	2.06	+0.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.31	0.12	+1.19

Drawdowns

CDEI vs. OILK - Drawdown Comparison

The maximum CDEI drawdown since its inception was -19.46%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for CDEI and OILK.

Drawdown Indicators

	CDEI	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-19.46%	-83.76%	+64.30%
Max Drawdown (1Y) Largest decline over 1 year	-9.88%	-17.35%	+7.47%
Max Drawdown (3Y) Largest decline over 3 years	-19.46%	-23.42%	+3.96%
Max Drawdown (5Y) Largest decline over 5 years	—	-34.69%	—
Current Drawdown Current decline from peak	-1.18%	-3.66%	+2.48%
Average Drawdown Average peak-to-trough decline	-2.28%	-32.61%	+30.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.27%	8.56%	-6.29%

Volatility

CDEI vs. OILK - Volatility Comparison

The current volatility for Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF (CDEI) is 3.00%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that CDEI 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

	CDEI	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.00%	10.44%	-7.44%
Volatility (6M) Calculated over the trailing 6-month period	9.19%	23.26%	-14.07%
Volatility (1Y) Calculated over the trailing 1-year period	12.05%	28.75%	-16.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.02%	30.12%	-15.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.02%	35.97%	-20.95%

CDEI vs. OILK - Expense Ratio Comparison

CDEI has a 0.14% expense ratio, which is lower than OILK's 0.68% expense ratio.

Dividends

CDEI vs. OILK - Dividend Comparison

CDEI's dividend yield for the trailing twelve months is around 0.97%, less than OILK's 8.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
CDEI Calvert US Large-Cap Diversity, Equity And Inclusion Index ETF	0.97%	1.05%	1.22%	1.16%	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 CDEI and OILK in my portfolio?

CDEI and OILK have a correlation of -0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CDEI or OILK?

OILK has higher volatility (10.44%) compared to CDEI (3.00%). In terms of maximum drawdown, CDEI dropped -19.46% vs OILK's -83.76%.

Which ETF is better, CDEI or OILK?

On 3-year performance, CDEI leads with 19.04% vs 19.03% for OILK. On fees, CDEI is cheaper at 0.14% per year. On volatility, CDEI has been the lower-risk option at 3.00%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CDEI or OILK?

Over the 3-year period, CDEI has performed better with a 19.04% return vs 19.03%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CDEI or OILK?

CDEI is cheaper with a 0.14% expense ratio, compared with 0.68% for OILK.

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

OILK has the higher dividend yield at 8.18%, compared with 0.97% for CDEI.

What is the main difference between CDEI and OILK?

CDEI is categorized as Large Cap Blend Equities, while OILK is Oil & Gas. CDEI tracks Russell 1000 Index, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: Calvert and ProShares. Their fees differ too: 0.14% for CDEI and 0.68% for OILK.

Which has better risk-adjusted returns?

CDEI currently has the higher Sharpe Ratio (2.18 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.