IAT vs. OILK

Last updated Jun 5, 2026

IAT (iShares U.S. Regional Banks ETF) and OILK (ProShares K-1 Free Crude Oil Strategy ETF) are both exchange-traded funds - IAT is a Financials Equities fund tracking the Dow Jones U.S. Select Regional Banks 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, IAT returned 2.08%/yr vs 17.28%/yr for OILK. At a 0.17 correlation, their price movements are largely independent. IAT charges 0.42%/yr vs 0.68%/yr for OILK.

Performance

IAT vs. OILK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Regional Banks ETF (IAT) 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, IAT achieves a 6.53% return, which is significantly lower than OILK's 61.09% return.

IAT

• 1D: 3.63%
• 1M: 0.67%
• YTD: 6.53%
• 6M: 10.41%
• 1Y: 28.77%
• 3Y*: 24.39%
• 5Y*: 2.08%
• 10Y*: 8.18%

OILK

• 1D: -1.91%
• 1M: -2.15%
• YTD: 61.09%
• 6M: 56.40%
• 1Y: 56.95%
• 3Y*: 18.39%
• 5Y*: 17.28%
• 10Y*: —

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

IAT vs. OILK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IAT iShares U.S. Regional Banks ETF	6.53%	13.05%	24.36%	-8.53%	-20.61%	38.89%	-7.60%	31.38%	-17.45%	10.42%
OILK ProShares K-1 Free Crude Oil Strategy ETF	61.09%	-11.86%	8.18%	-0.97%	27.57%	63.71%	-61.09%	30.48%	-20.40%	2.82%

Correlation

The correlation between IAT and OILK is -0.17, 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	-0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (5Y) Calculated over the trailing 5-year period	0.13
Correlation (All Time) Calculated using the full available price history since Sep 29, 2016	0.17

The correlation between IAT and OILK shifts across timeframes, from -0.17 (1 year) to 0.17 (all time), reflecting how their relationship changes across market environments.

IAT vs. OILK - Sectors Allocation Comparison

Sectors	IAT	OILK
Financial Services	100.0%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	100.0%
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

IAT vs. OILK — Risk / Return Rank

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

IAT

IAT Risk / Return Rank: 35
IAT Sharpe Ratio Rank: 37
IAT Sortino Ratio Rank: 36
IAT Omega Ratio Rank: 37
IAT Calmar Ratio Rank: 34
IAT Martin Ratio Rank: 30

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.

IAT vs. OILK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Regional Banks ETF (IAT) 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.

	IAT	OILK	Difference
Sharpe ratio: Return per unit of total volatility	1.31	1.99	-0.68
Sortino ratio: Return per unit of downside risk	1.83	2.51	-0.68
Omega ratio: Gain probability vs. loss probability	1.24	1.33	-0.09
Calmar ratio: Return relative to maximum drawdown	1.65	3.30	-1.65
Martin ratio: Return relative to average drawdown	4.23	6.67	-2.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IAT vs. OILK - Sharpe Ratio Comparison

The current IAT Sharpe Ratio is 1.31, which is lower than the OILK Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of IAT 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

	IAT	OILK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.31	1.99	-0.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.07	0.58	-0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.27	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	0.11	-0.01

Drawdowns

IAT vs. OILK - Drawdown Comparison

The maximum IAT drawdown since its inception was -77.22%, smaller than the maximum OILK drawdown of -83.76%. Use the drawdown chart below to compare losses from any high point for IAT and OILK.

Drawdown Indicators

	IAT	OILK	Difference
Max Drawdown Largest peak-to-trough decline	-77.22%	-83.76%	+6.54%
Max Drawdown (1Y) Largest decline over 1 year	-17.49%	-17.35%	-0.14%
Max Drawdown (3Y) Largest decline over 3 years	-29.29%	-23.42%	-5.87%
Max Drawdown (5Y) Largest decline over 5 years	-55.55%	-34.69%	-20.86%
Max Drawdown (10Y) Largest decline over 10 years	-55.55%	—	—
Current Drawdown Current decline from peak	-6.47%	-5.49%	-0.98%
Average Drawdown Average peak-to-trough decline	-26.97%	-32.60%	+5.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.83%	8.57%	-1.74%

Volatility

IAT vs. OILK - Volatility Comparison

The current volatility for iShares U.S. Regional Banks ETF (IAT) is 7.04%, while ProShares K-1 Free Crude Oil Strategy ETF (OILK) has a volatility of 10.52%. This indicates that IAT 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

	IAT	OILK	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.04%	10.52%	-3.48%
Volatility (6M) Calculated over the trailing 6-month period	16.12%	23.32%	-7.20%
Volatility (1Y) Calculated over the trailing 1-year period	22.10%	28.82%	-6.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.08%	30.13%	-1.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.80%	35.97%	-5.17%

IAT vs. OILK - Expense Ratio Comparison

IAT has a 0.42% expense ratio, which is lower than OILK's 0.68% expense ratio.

Dividends

IAT vs. OILK - Dividend Comparison

IAT's dividend yield for the trailing twelve months is around 2.78%, less than OILK's 8.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IAT iShares U.S. Regional Banks ETF	2.78%	2.94%	2.95%	3.56%	3.12%	1.88%	2.87%	2.49%	2.48%	1.55%	1.52%	1.78%
OILK ProShares K-1 Free Crude Oil Strategy ETF	8.34%	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 IAT and OILK in my portfolio?

IAT and OILK have a correlation of -0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IAT or OILK?

OILK has higher volatility (10.52%) compared to IAT (7.04%). In terms of maximum drawdown, IAT dropped -77.22% vs OILK's -83.76%.

Which ETF is better, IAT or OILK?

On 5-year performance, OILK leads with 17.28% vs 2.08% for IAT. On fees, IAT is cheaper at 0.42% per year. On volatility, IAT has been the lower-risk option at 7.04%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IAT or OILK?

Over the 5-year period, OILK has performed better with a 17.28% return vs 2.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IAT or OILK?

IAT is cheaper with a 0.42% expense ratio, compared with 0.68% for OILK.

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

OILK has the higher dividend yield at 8.34%, compared with 2.78% for IAT.

What is the main difference between IAT and OILK?

IAT is categorized as Financials Equities, while OILK is Oil & Gas. IAT tracks Dow Jones U.S. Select Regional Banks Index, while OILK tracks Bloomberg Commodity Balanced WTI Crude Oil Index. They also come from different issuers: iShares and ProShares. Their fees differ too: 0.42% for IAT and 0.68% for OILK.

Which has better risk-adjusted returns?

OILK currently has the higher Sharpe Ratio (1.99 vs 1.31), 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.