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ProShares K-1 Free Crude Oil ETF (OILK) Short Interest Ratio & Short Volume

ProShares K-1 Free Crude Oil ETF logo
$57.12 +0.24 (+0.42%)
Closing price 09/14/2026 04:10 PM Eastern
Extended Trading
$57.25 +0.13 (+0.23%)
As of 04:14 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

ProShares K-1 Free Crude Oil ETF Short Interest Overview

As of August 31, 2026, ProShares K-1 Free Crude Oil ETF (OILK) had a short interest of 50,736 shares sold short, representing 2.88% of the public float. This marks a 3.04% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.8, meaning it would take 0.8 days of the average trading volume of 215,478 shares to cover all short positions.

Current Short Interest
50,736 shares
Previous Short Interest
49,240 shares
Change Vs. Previous Month
3.04%
Dollar Volume Sold Short
$2.76 million
Short Interest Ratio
0.8 Days to Cover
Last Record Date
August 31, 2026
Outstanding Shares
1,760,000 shares
Short Percent of Float
2.88%
Today's Trading Volume
87,491 shares
Average Trading Volume
215,478 shares
Today's Volume Vs. Average
41%
Short Selling ProShares K-1 Free Crude Oil ETF?
A Guide To High-Short-Interest Stocks

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Skip Charts & View Short Interest History

OILK Short Interest Over Time

OILK Days to Cover Over Time

OILK Percentage of Float Shorted Over Time

ProShares K-1 Free Crude Oil ETF Tesla Short Interest History & Recent Changes

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
8/31/202650,736 shares $2.76 million +3.0%2.9%0.84 $54.32
8/14/202649,240 shares $2.57 million -25.8%2.8%0.3 $52.23
7/31/202666,362 shares $3.50 million -44.4%3.8%0.49 $52.73
7/15/2026119,275 shares $6.23 million -26.1%6.8%0.68 $52.22
6/30/2026161,393 shares $7.66 million +75.7%9.2%0.63 $47.49
6/15/202691,847 shares $4.78 million +15.3%5.2%0.39 $52.02
5/29/202679,634 shares $4.44 million +6.5%4.5%0.35 $55.70
5/15/202674,803 shares $4.47 million -14.7%4.3%0.39 $59.73
4/30/202687,715 shares $5.18 million -5.9%5.0%0.45 $59.09
4/15/202693,191 shares $5.09 million +76.9%5.3%0.27 $54.64
3/31/202652,695 shares $2.85 million -36.1%3.0%0.14 $54.10
3/13/202682,512 shares $4.50 million +164.1%4.7%0.11 $54.48
2/27/202631,249 shares $1.35 million +117.7%1.8%0.17 $43.33
2/13/202614,357 shares $582.61 thousand -72.3%0.8%0.2 $40.58
1/30/202651,910 shares $2.18 million -12.1%2.9%0.66 $41.92
1/15/202659,063 shares $2.26 million +358.1%3.4%1.04 $38.24
12/31/202512,894 shares $481.06 thousand +329.2%0.7%0.29 $37.31
12/15/20253,004 shares $111.30 thousand -93.2%0.2%0.06 $37.05
11/28/202544,002 shares $1.69 million +150.6%2.5%1.02 $38.43

OILK Short Interest - Frequently Asked Questions

Short interest is the volume of ProShares K-1 Free Crude Oil ETF shares that have been sold short but have not yet been closed out or covered. As of August 31st, investors have sold 50,736 shares of OILK short. 2.88% of ProShares K-1 Free Crude Oil ETF's shares are currently sold short. Learn More on ProShares K-1 Free Crude Oil ETF's current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. OILK shares currently have a short interest ratio of 0.8. Learn More on ProShares K-1 Free Crude Oil ETF's short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 2.88% of ProShares K-1 Free Crude Oil ETF's floating shares are currently sold short.

ProShares K-1 Free Crude Oil ETF saw a increase in short interest during the month of August. As of August 31st, there was short interest totaling 50,736 shares, an increase of 3.0% from the previous total of 49,240 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

2.88% of ProShares K-1 Free Crude Oil ETF's shares are currently sold short. Here is how the short interest of companies compare to ProShares K-1 Free Crude Oil ETF: Invesco DB Oil Fund (1.53%), ProShares Ultra Bloomberg Crude Oil (16.53%), United States Brent Oil Fund LP (11.85%), ProShares UltraShort Bloomberg Crude Oil (7.40%), and United States Oil Fund LP (61.25%).

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($62.68 billion), Invesco QQQ ($47.06 billion), iShares Russell 2000 ETF ($23.54 billion), SPDR S&P Biotech ETF ($12.10 billion), Nebius Group N.V. ($9.34 billion), Western Digital Corporation ($8.96 billion), Financial Select Sector SPDR Fund ($8.16 billion), iShares 20+ Year Treasury Bond ETF ($7.98 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.52 billion), and VanEck Semiconductor ETF ($7.39 billion). View all of the most shorted stocks.

Short selling OILK is an investing strategy that aims to generate trading profit from ProShares K-1 Free Crude Oil ETF as its price is falling. OILK shares are trading up $0.24 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for ProShares K-1 Free Crude Oil ETF occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of OILK, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including OILK, twice per month. The most recent reporting period available is August, 31 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like OILK:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.



Short interest data for BATS:OILK is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/10/2026. FINRA publishes updated short interest twice a month.
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