OILK Performance — ProShares K-1 Free Crude Oil ETF
Data updated: 2026-08-14
OILK returned +55.24% year to date and +56.29% over one year to May 2026. Annualised returns are +18.82% over 3 years and +17.33% over 5 years. Against its Commodities category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $168, against $184 for the category, and to $156 over one year, against $147. Volatility over the past three years was 24.38% a year. In the 12 months to May 2026 the fund took in a net $174.5M, and assets reached $276.17M.
OILK Growth of $100
What $100 invested in ProShares K-1 Free Crude Oil ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Commodities category average over the same months.
| Period | OILK | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $156 | $147 |
| 3 years (Jun 2023 – May 2026) | $168 | $184 |
| 5 years (Jun 2021 – May 2026) | $222 | $183 |
| Since data start (Sep 2019 – May 2026) | $132 | $228 |
OILK Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +55.24% |
| 1 year | +56.29% |
| 3 years (annualised) | +18.82% |
| 5 years (annualised) | +17.33% |
OILK Annual Returns
Calendar-year total returns of ProShares K-1 Free Crude Oil ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +55.24% |
| 2025 | −11.77% |
| 2024 | +7.65% |
| 2023 | −0.44% |
| 2022 | +27.98% |
| 2021 | +62.27% |
| 2020 | −60.96% |
| 2019 (Sep–Dec) | +11.26% |
OILK Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +11.7% | +3.8% | +25.2% | +11.6% | −4.2% | — | — | — | — | — | — | — |
| 2025 | +0.9% | −2.6% | +2.0% | −15.5% | +3.4% | +6.4% | +7.8% | −4.9% | −1.6% | −1.6% | −3.2% | −1.5% |
| 2024 | +4.8% | +1.8% | +6.7% | +0.4% | −3.3% | +4.5% | −3.2% | −4.2% | −4.8% | +1.5% | −0.8% | +4.9% |
| 2023 | −1.2% | −2.6% | −1.3% | +1.2% | −9.1% | +4.8% | +14.1% | +2.6% | +5.2% | −4.4% | −3.5% | −4.5% |
| 2022 | +14.1% | +7.8% | +10.9% | +3.7% | +8.8% | −5.6% | −1.7% | −5.9% | −12.2% | +9.7% | −0.7% | −0.5% |
| 2021 | +7.2% | +18.1% | −2.9% | +7.3% | +4.0% | +9.7% | +2.0% | −4.8% | +8.2% | +7.1% | −15.1% | +13.1% |
| 2020 | −15.5% | −13.7% | −54.6% | −32.7% | +36.9% | +8.6% | +2.6% | +4.9% | −6.9% | −11.5% | +24.7% | +6.5% |
| 2019 | — | — | — | — | — | — | — | — | −1.7% | +0.2% | +1.8% | +10.9% |
OILK Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 24.38%
- 3-year Sharpe ratio: 0.59 (vs 4.5% risk-free rate)
- Best month: +25.19% (Mar 2026)
- Worst month: −15.49% (Apr 2025)
OILK Fund Flows
Monthly money in and out of ProShares K-1 Free Crude Oil ETF, from SEC Form N-PORT.
- 12-month net flow: $174.5M
- 12-month gross sales (incl. reinvestments): $345.0M
- Sales ÷ redemptions: 2.02×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $57.2M | $18.6M | $38.6M |
| Apr 2026 | $69.1M | $44.4M | $24.7M |
| Mar 2026 | $132.6M | $47.8M | $84.8M |
| Feb 2026 | $28.2M | $3.1M | $25.1M |
| Jan 2026 | $10.8M | $0 | $10.8M |
| Dec 2025 | $1.9M | $10.4M | −$8.5M |
| Nov 2025 | $8.6M | $6.7M | $1.9M |
| Oct 2025 | $6.9M | $5.8M | $1.1M |
| Sep 2025 | $0 | $10.3M | −$10.3M |
| Aug 2025 | $16.0M | $15.1M | $847K |
| Jul 2025 | $2.0M | $5.3M | −$3.2M |
| Jun 2025 | $11.7M | $3.0M | $8.7M |
OILK Assets Under Management
Net assets of ProShares K-1 Free Crude Oil ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $276.17M |
| 2026-02-28 | $95.46M |
| 2025-11-30 | $59.19M |
| 2025-08-31 | $70.74M |
| 2025-05-31 | $60.10M |
| 2025-02-28 | $70.42M |
| 2024-11-30 | $91.54M |
| 2024-08-31 | $84.04M |
| 2024-05-31 | $133.32M |
| 2024-02-29 | $130.62M |
| 2023-11-30 | $132.73M |
| 2023-08-31 | $115.39M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.