SEIV vs. OILK

Last updated Jun 4, 2026

SEIV (SEI Enhanced US Large Cap Value Factor ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - SEIV is a Large Cap Value Equities fund actively managed by SEI, while OILK is a Oil & Gas fund tracking the Bloomberg Commodity Balanced WTI Crude Oil Index. SEIV is actively managed, while OILK is passively managed. Over the past 3 years, SEIV returned 27.80%/yr vs 19.03%/yr for OILK. At a 0.10 correlation, their price movements are largely independent. SEIV charges 0.15%/yr vs 0.68%/yr for OILK.

Performance

SEIV vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Enhanced US Large Cap Value Factor ETF (SEIV) 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, SEIV achieves a 18.28% return, which is significantly lower than OILK's 64.22% return.

SEIV

• 1D: -0.85%
• 1M: 10.69%
• YTD: 18.28%
• 6M: 21.23%
• 1Y: 44.72%
• 3Y*: 27.80%
• 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)

SEIV vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SEIV SEI Enhanced US Large Cap Value Factor ETF	18.28%	27.43%	19.73%	21.90%	-3.71%
OILK ProShares K-1 Free Crude Oil Strategy ETF	64.22%	-11.86%	8.18%	-0.97%	-11.23%

Correlation

The correlation between SEIV and OILK is -0.27, 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	-0.27
Correlation (3Y) Calculated over the trailing 3-year period	-0.02
Correlation (All Time) Calculated using the full available price history since May 19, 2022	0.10

The correlation between SEIV and OILK shifts across timeframes, from -0.27 (1 year) to 0.10 (all time), reflecting how their relationship changes across market environments.

SEIV vs. OILK - Sectors Allocation Comparison

Sectors	SEIV	OILK
Financial Services	23.0%	-
Consumer Cyclical	18.5%	100.0%
Healthcare	18.1%	-
Technology	17.0%	-
Communication Services	6.5%	-
Basic Materials	5.1%	-
Consumer Defensive	3.9%	-
Industrials	3.0%	-
Utilities	2.4%	-
Real Estate	1.2%	-
Energy	0.9%	-

Return for Risk

SEIV vs. OILK — Risk / Return Rank

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

SEIV

SEIV Risk / Return Rank: 93
SEIV Sharpe Ratio Rank: 93
SEIV Sortino Ratio Rank: 94
SEIV Omega Ratio Rank: 93
SEIV Calmar Ratio Rank: 92
SEIV Martin Ratio Rank: 94

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.

SEIV vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Enhanced US Large Cap Value Factor ETF (SEIV) 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.

	SEIV	OILK	Difference
Sharpe ratio: Return per unit of total volatility	3.60	2.06	+1.54
Sortino ratio: Return per unit of downside risk	4.91	2.59	+2.32
Omega ratio: Gain probability vs. loss probability	1.64	1.34	+0.30
Calmar ratio: Return relative to maximum drawdown	6.47	3.42	+3.05
Martin ratio: Return relative to average drawdown	26.41	6.91	+19.50
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SEIV vs. OILK - Sharpe Ratio Comparison

The current SEIV Sharpe Ratio is 3.60, which is higher than the OILK Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of SEIV 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

	SEIV	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.60	2.06	+1.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.23	0.12	+1.12

Drawdowns

SEIV vs. OILK - Drawdown Comparison

The maximum SEIV drawdown since its inception was -18.18%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for SEIV and OILK.

Drawdown Indicators

	SEIV	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-18.18%	-83.76%	+65.58%
Max Drawdown (1Y) Largest decline over 1 year	-6.95%	-17.35%	+10.40%
Max Drawdown (3Y) Largest decline over 3 years	-17.71%	-23.42%	+5.71%
Max Drawdown (5Y) Largest decline over 5 years	—	-34.69%	—
Current Drawdown Current decline from peak	-0.85%	-3.66%	+2.81%
Average Drawdown Average peak-to-trough decline	-3.48%	-32.61%	+29.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.70%	8.56%	-6.86%

Volatility

SEIV vs. OILK - Volatility Comparison

The current volatility for SEI Enhanced US Large Cap Value Factor ETF (SEIV) is 4.10%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that SEIV 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

	SEIV	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.10%	10.44%	-6.34%
Volatility (6M) Calculated over the trailing 6-month period	9.08%	23.26%	-14.18%
Volatility (1Y) Calculated over the trailing 1-year period	12.49%	28.75%	-16.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.68%	30.12%	-13.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.68%	35.97%	-19.29%

SEIV vs. OILK - Expense Ratio Comparison

SEIV has a 0.15% expense ratio, which is lower than OILK's 0.68% expense ratio.

Dividends

SEIV vs. OILK - Dividend Comparison

SEIV's dividend yield for the trailing twelve months is around 1.34%, less than OILK's 8.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
SEIV SEI Enhanced US Large Cap Value Factor ETF	1.34%	1.51%	1.66%	2.08%	1.63%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SEIV and OILK in my portfolio?

SEIV and OILK have a correlation of -0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SEIV or OILK?

OILK has higher volatility (10.44%) compared to SEIV (4.10%). In terms of maximum drawdown, SEIV dropped -18.18% vs OILK's -83.76%.

Which ETF is better, SEIV or OILK?

On 3-year performance, SEIV leads with 27.80% vs 19.03% for OILK. On fees, SEIV is cheaper at 0.15% per year. On volatility, SEIV has been the lower-risk option at 4.10%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SEIV or OILK?

Over the 3-year period, SEIV has performed better with a 27.80% return vs 19.03%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SEIV or OILK?

SEIV is cheaper with a 0.15% expense ratio, compared with 0.68% for OILK.

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

OILK has the higher dividend yield at 8.18%, compared with 1.34% for SEIV.

What is the main difference between SEIV and OILK?

SEIV is categorized as Large Cap Value Equities, while OILK is Oil & Gas. They also come from different issuers: SEI and ProShares. Their fees differ too: 0.15% for SEIV and 0.68% for OILK.

Which has better risk-adjusted returns?

SEIV currently has the higher Sharpe Ratio (3.60 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.