ProShares K-1 Free Crude Oil Strategy ETF (OILK) Performance

Cboe BZX: OILKTotal returns, calendar years, drawdowns and risk since 2016.

OILK total return

Distributions reinvested · as of Oct 23, 2026
YTD
+96.9%
since Dec 31, 2025
1 year
+88.1%
total return
5 years
+17.7%
a year
10 years
+5.1%
a year
Since first price
+5.9%
a year since 2016

OILK trailing returns vs SPY, QQQ, AGG

OILK trailing returns
PeriodOILK total returnPrice onlyS&P 500 (SPY)Nasdaq-100 (QQQ)U.S. bonds (AGG)
1 month+13.0%+8.0%−1.0%−5.0%+0.9%
3 months+24.0%+12.4%+3.2%+1.9%−0.4%
6 months+26.6%+9.1%+7.8%+8.4%−1.5%
YTD+96.9%+65.7%+12.3%+15.1%−1.0%
1 year+88.1%+57.6%+14.4%+15.9%−1.1%
3 years+65.9%+18.4%/yr+27.7%+87.4%+23.3%/yr+101.4%+26.3%/yr+16.6%+5.2%/yr
5 years+125.6%+17.7%/yr−3.6%+79.3%+12.4%/yr+94.0%+14.2%/yr−0.8%−0.2%/yr
10 years+65.1%+5.1%/yr−43.5%+315.9%+15.3%/yr+538.9%+20.4%/yr+14.0%+1.3%/yr
Since inceptionSep 28, 2016+77.6%+5.9%/yr−39.3%———

Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.

Growth of $10,000: OILK vs SPY

OILKS&P 500 (SPY)

From Sep 28, 2016: OILK grew to $17,756, SPY to $41,077.

Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.

OILK returns by calendar year

OILKSPY

5 of 9 full years positive. Best 2021 (+63.7%), worst 2020 (−61.1%). 2026 is year to date.

OILK annual returns table

OILK calendar-year returns
YearOILKLargest dropSPYQQQAGG
2026YTD+96.9%−21.2%+12.3%+15.1%−1.0%
2025−11.9%−21.9%+17.7%+20.8%+7.2%
2024+8.2%−17.1%+24.9%+25.6%+1.3%
2023−1.0%−16.7%+26.2%+54.9%+5.7%
2022+27.6%−30.9%−18.2%−32.6%−13.0%
2021+63.7%−18.0%+28.7%+27.4%−1.8%
2020−61.1%−79.9%+18.3%+48.6%+7.5%
2019+30.5%−23.1%+31.2%+39.0%+8.5%
2018−20.4%−42.3%−4.6%−0.1%+0.1%
2017+2.8%−26.1%+21.7%+32.7%+3.6%

Largest drop = deepest fall from a high within that calendar year.

Calendar-year return vs largest drop within the year

Calendar-year returnLargest drop within the year

Most years include a sizable fall at some point even when the year ends higher.

OILK largest drawdowns

At an all-time high
OILK largest drawdowns
PeakDeclineBottomRecoveredFallUnderwater
Oct 3, 2018−83.8%Apr 28, 2020May 4, 20261.6 years7.6 years
Dec 27, 2016−26.3%Jun 21, 2017Dec 26, 20176 months12 months
May 19, 2026−21.2%Jul 1, 2026Sep 9, 202643 days4 months
Oct 10, 2016−15.7%Nov 14, 2016Dec 13, 201635 days2 months
Jan 26, 2018−10.7%Feb 9, 2018Mar 23, 201814 days56 days
Jun 29, 2018−10.7%Aug 15, 2018Sep 24, 201847 days3 months

Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.

OILK risk statistics

OILK risk statistics
Statistic3 years5 years10 years
Annualized return+13.9%+17.1%+4.5%
Volatility (annualized)25.8%26.5%36.2%
Sharpe ratio0.460.590.26
Sortino ratio0.811.020.36
Best month+25.6%+25.6%+33.9%
Worst month−15.4%−15.4%−54.7%
Best 12 months+68.9%+68.9%+127.7%
Worst 12 months−19.8%−27.9%−78.4%
Positive months53%53%56%
Beta vs S&P 500-0.160.190.78
Correlation with S&P 500-0.080.110.33

From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.

OILK rolling returns

OILK rolling returns
Holding periodPeriodsWorstMedianBestPositive
1-year110−78.4%+4.0%+127.7%55%
3-year (a year)86−34.8%−0.7%+51.3%49%
5-year (a year)62−9.2%−0.2%+26.7%48%
10-year (a year)2+4.5%+5.3%+6.1%100%

Every holding period starting at a month-end since 2016. Returns for 3 years and longer are annualized.

OILK performance overview

ProShares K-1 Free Crude Oil Strategy ETF (OILK) returned +88.1% over the past year and +5.1% a year over ten years, with distributions reinvested. Since its first recorded price in 2016 it has returned +5.9% a year, turning $10,000 into about $17,756. Over the same year S&P 500 (SPY) returned +14.4%.

The deepest decline was −83.8%, from Oct 3, 2018 to Apr 28, 2020, and it took 6.0 years to get back to the old high. OILK finished 5 of its 9 full calendar years with a gain; the best year was 2021 (+63.7%) and the worst 2020 (−61.1%). Volatility has been 36.2% a year.

Related: OILK chart, OILK dividends. See the OILK overview for the latest quote and fund facts.

OILK performance FAQ

What is the OILK return over the past year?

OILK returned +88.1% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 57.6%.

What is the average annual return of OILK?

OILK has returned +17.7% a year over 5 years, +5.1% a year over 10 years, +5.9% a year since September 28, 2016 (total return, distributions reinvested).

How much would $10,000 invested in OILK be worth?

$10,000 invested in OILK at its first recorded close on September 28, 2016 would be worth about $17,756 on October 23, 2026 with distributions reinvested.

What was the worst year for OILK?

The worst calendar year was 2020, with a total return of −61.1%. The best was 2021 at +63.7%.

What is the biggest drawdown of OILK?

The largest peak-to-trough decline was −83.8% between October 3, 2018 and April 28, 2020. It recovered to the old high on May 4, 2026, 6.0 years after the bottom.

How volatile is OILK?

Over the past 3 years OILK had an annualized volatility of 25.8% and a Sharpe ratio of 0.46 (excess return over 1–3 month T-bills per unit of risk).