ACSI vs. OILK

Last updated Jun 4, 2026

ACSI (American Customer Satisfaction ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - ACSI is a Large Cap Growth Equities fund tracking the American Customer Satisfaction Investable 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, ACSI returned 9.12%/yr vs 17.73%/yr for OILK. At a 0.15 correlation, their price movements are largely independent. ACSI charges 0.66%/yr vs 0.68%/yr for OILK.

Performance

ACSI vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Customer Satisfaction ETF (ACSI) 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, ACSI achieves a 9.66% return, which is significantly lower than OILK's 64.22% return.

ACSI

• 1D: -0.92%
• 1M: 5.55%
• YTD: 9.66%
• 6M: 9.77%
• 1Y: 18.71%
• 3Y*: 18.51%
• 5Y*: 9.12%
• 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)

ACSI vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ACSI American Customer Satisfaction ETF	9.66%	10.70%	22.51%	21.06%	-20.93%	23.33%	22.93%	24.88%	-4.97%	15.77%
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 ACSI and OILK is -0.28, 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	-0.28
Correlation (3Y) Calculated over the trailing 3-year period	-0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.06
Correlation (All Time) Calculated using the full available price history since Nov 2, 2016	0.15

The correlation between ACSI and OILK shifts across timeframes, from -0.28 (1 year) to 0.15 (all time), reflecting how their relationship changes across market environments.

ACSI vs. OILK - Sectors Allocation Comparison

Sectors	ACSI	OILK
Consumer Cyclical	24.2%	100.0%
Communication Services	15.4%	-
Technology	12.5%	-
Consumer Defensive	12.4%	-
Financial Services	9.6%	-
Healthcare	8.5%	-
Industrials	7.3%	-
Utilities	3.9%	-
Energy	3.4%	-
Basic Materials	-	-
Real Estate	-	-

Return for Risk

ACSI vs. OILK — Risk / Return Rank

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

ACSI

ACSI Risk / Return Rank: 48
ACSI Sharpe Ratio Rank: 46
ACSI Sortino Ratio Rank: 46
ACSI Omega Ratio Rank: 44
ACSI Calmar Ratio Rank: 49
ACSI Martin Ratio Rank: 54

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.

ACSI vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Customer Satisfaction ETF (ACSI) 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.

	ACSI	OILK	Difference
Sharpe ratio: Return per unit of total volatility	1.63	2.06	-0.44
Sortino ratio: Return per unit of downside risk	2.31	2.59	-0.28
Omega ratio: Gain probability vs. loss probability	1.29	1.34	-0.05
Calmar ratio: Return relative to maximum drawdown	2.42	3.42	-1.00
Martin ratio: Return relative to average drawdown	9.45	6.91	+2.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ACSI vs. OILK - Sharpe Ratio Comparison

The current ACSI Sharpe Ratio is 1.63, which is comparable to the OILK Sharpe Ratio of 2.06. The chart below compares the historical Sharpe Ratios of ACSI 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

	ACSI	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.63	2.06	-0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.55	0.59	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.12	+0.63

Drawdowns

ACSI vs. OILK - Drawdown Comparison

The maximum ACSI drawdown since its inception was -34.49%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for ACSI and OILK.

Drawdown Indicators

	ACSI	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-34.49%	-83.76%	+49.27%
Max Drawdown (1Y) Largest decline over 1 year	-7.76%	-17.35%	+9.59%
Max Drawdown (3Y) Largest decline over 3 years	-15.27%	-23.42%	+8.15%
Max Drawdown (5Y) Largest decline over 5 years	-24.86%	-34.69%	+9.83%
Current Drawdown Current decline from peak	-2.38%	-3.66%	+1.28%
Average Drawdown Average peak-to-trough decline	-5.39%	-32.61%	+27.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.98%	8.56%	-6.58%

Volatility

ACSI vs. OILK - Volatility Comparison

The current volatility for American Customer Satisfaction ETF (ACSI) is 4.16%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.44%. This indicates that ACSI 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

	ACSI	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.16%	10.44%	-6.28%
Volatility (6M) Calculated over the trailing 6-month period	8.88%	23.26%	-14.38%
Volatility (1Y) Calculated over the trailing 1-year period	11.56%	28.75%	-17.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.66%	30.12%	-13.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.43%	35.97%	-18.54%

ACSI vs. OILK - Expense Ratio Comparison

ACSI has a 0.66% expense ratio, which is lower than OILK's 0.68% expense ratio.

Dividends

ACSI vs. OILK - Dividend Comparison

ACSI's dividend yield for the trailing twelve months is around 0.83%, less than OILK's 8.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
ACSI American Customer Satisfaction ETF	0.83%	0.91%	0.69%	1.01%	0.81%	0.31%	0.82%	1.64%	1.59%	1.20%	0.18%
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%

Frequently Asked Questions

Can I hold both ACSI and OILK in my portfolio?

ACSI and OILK have a correlation of -0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ACSI or OILK?

OILK has higher volatility (10.44%) compared to ACSI (4.16%). In terms of maximum drawdown, ACSI dropped -34.49% vs OILK's -83.76%.

Which ETF is better, ACSI or OILK?

On 5-year performance, OILK leads with 17.73% vs 9.12% for ACSI. On fees, ACSI is cheaper at 0.66% per year. On volatility, ACSI has been the lower-risk option at 4.16%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ACSI or OILK?

Over the 5-year period, OILK has performed better with a 17.73% return vs 9.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ACSI or OILK?

ACSI is cheaper with a 0.66% expense ratio, compared with 0.68% for OILK.

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

OILK has the higher dividend yield at 8.18%, compared with 0.83% for ACSI.

What is the main difference between ACSI and OILK?

ACSI is categorized as Large Cap Growth Equities, while OILK is Oil & Gas. ACSI tracks American Customer Satisfaction Investable Index, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: Exponential ETFs and ProShares. Their fees differ too: 0.66% for ACSI and 0.68% for OILK.

Which has better risk-adjusted returns?

OILK currently has the higher Sharpe Ratio (2.06 vs 1.63), 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.