US Treasury 12 Month Bill ETF (OBIL) Short Interest Ratio & Short Volume $50.13 0.00 (0.00%) As of 05/22/2026 03:56 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartDividendHoldingsOwnershipShort InterestTrendsBuy This Stock US Treasury 12 Month Bill ETF Short Interest OverviewAs of April 30, 2026, US Treasury 12 Month Bill ETF (OBIL) had a short interest of 40,192 shares sold short, representing 0.64% of the public float. This marks a 100.55% increase in short interest since the prior report. The short interest ratio (days to cover) is 1.1, meaning it would take 1.1 days of the average trading volume of 45,645 shares to cover all short positions.Current Short Interest40,192 sharesPrevious Short Interest20,041 sharesChange Vs. Previous Month100.55%Dollar Volume Sold Short$2.01 millionShort Interest Ratio1.1 Days to CoverLast Record DateApril 30, 2026Outstanding Shares6,250,000 sharesShort Percent of Float0.64%Today's Trading Volume11,069 sharesAverage Trading Volume45,645 sharesToday's Volume Vs. Average24% Short Selling US Treasury 12 Month Bill ETF? Sign up to receive the latest short interest report for US Treasury 12 Month Bill ETF and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartOBIL Short Interest Over TimeOBIL Days to Cover Over TimeOBIL Percentage of Float Shorted Over Time US Treasury 12 Month Bill ETF Tesla Short Interest History & Recent Changes ExportReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202640,192 shares $2.01 million +100.6%0.6%1.05 $50.06 11/14/202512,597 shares $632.24 thousand -34.4%0.2%0.27 $50.19 10/31/202519,189 shares $964.63 thousand +360.0%0.3%0.38 $50.27 10/15/20254,200 shares $210.99 thousand -91.2%0.1%0.1 $50.24 9/30/202547,500 shares $2.39 million +162.4%N/A1.4 $50.30 9/15/202518,100 shares $908.98 thousand +7.1%N/A0.5 $50.22 8/31/202516,900 shares $849.06 thousand -18.4%0.3%0.5 $50.24 8/15/202520,700 shares $1.04 million -30.1%N/A0.6 $50.12 7/31/202529,600 shares $1.48 million +124.2%0.5%0.7 $50.12 7/15/202513,200 shares $660.26 thousand +325.8%N/A0.3 $50.02 Get the Latest News and Ratings for OBIL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for US Treasury 12 Month Bill ETF and its competitors with MarketBeat's FREE daily newsletter. 6/30/20253,100 shares $155.59 thousand +82.4%0.1%0.1 $50.19 6/15/20251,700 shares $85.12 thousand -87.7%0.0%0 $50.07 5/31/202513,800 shares $691.93 thousand No Change0.2%0.3 $50.14 5/15/202513,800 shares $690.69 thousand -36.7%0.3%0.3 $50.05 4/30/202521,800 shares $1.10 million +7.4%N/A0.5 $50.26 4/15/202520,300 shares $1.02 million -26.7%0.3%0.5 $50.13 3/31/202527,700 shares $1.39 million -19.2%0.5%0.6 $50.21 3/15/202534,300 shares $1.72 million +115.7%0.6%0.8 $50.13 2/28/202515,900 shares $798.66 thousand -73.9%0.3%0.4 $50.23 2/15/202560,900 shares $3.05 million +9.7%1.1%1.5 $50.08 1/31/202555,500 shares $2.79 million -36.3%N/A1.4 $50.19 1/15/202587,100 shares $4.36 million +19.0%N/A2.2 $50.08 12/31/202473,200 shares $3.66 million +713.3%N/A1.9 $50.06 12/15/20249,000 shares $450.45 thousand +181.3%N/A0.2 $50.05 11/30/20243,200 shares $160.37 thousand -77.9%N/A0.1 $50.12 11/15/202414,500 shares $725.58 thousand -45.7%N/A0.3 $50.04 10/31/202426,700 shares $1.34 million -63.6%N/A0.6 $50.13 10/15/202473,400 shares $3.68 million +50.4%N/A1.6 $50.08 9/30/202448,800 shares $2.45 million +16,166.7%N/A1 $50.27 9/15/2024300 shares $15.06 thousand -95.9%N/A0 $50.19 8/31/20247,300 shares $366.02 thousand -80.3%N/A0.2 $50.14 8/15/202437,000 shares $1.85 million +640.0%N/A1 $49.99 7/31/20245,000 shares $250 thousand -65.3%N/A0.1 $50.00 7/15/202414,400 shares $718.20 thousand +44.0%N/A0.3 $49.88 6/30/202410,000 shares $498.66 thousand -5.7%N/A0.3 $49.87 6/15/202410,600 shares $527.83 thousand -39.4%N/A0.3 $49.80 5/31/202417,500 shares $872.90 thousand +121.5%N/A0.5 $49.88 5/15/20247,900 shares $393.38 thousand +107.9%N/A0.2 $49.80 4/30/20243,800 shares $189.41 thousand +850.0%N/A0.1 $49.85 4/15/2024400 shares $19.91 thousand -33.3%N/A0 $49.78I was right about SpaceX (Ad)Jeff Brown predicted Bitcoin before it climbed as high as 52,400%, Tesla before 2,150%, and Nvidia before 32,000%. 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The public filing could drop any day.See how to claim your stake in SpaceX before the public can 3/31/2024116,500 shares $5.82 million +10,490.9%N/A0.3 $49.96 3/15/20241,100 shares $54.85 thousand -57.7%N/A0 $49.86 2/29/20242,600 shares $130 thousand +188.9%N/A0.1 $50.00 2/15/2024900 shares $44.94 thousand -43.8%N/A0 $49.93 1/31/20241,600 shares $80.19 thousand -66.0%N/A0 $50.12 1/15/20244,700 shares $235.38 thousand +176.5%N/A0.1 $50.08 12/31/20231,700 shares $84.89 thousand -86.6%N/A0 $49.94 12/15/202312,700 shares $634.75 thousand +605.6%N/A0.2 $49.98 11/30/20231,800 shares $90.02 thousand -87.4%N/A0 $50.01 11/15/202314,300 shares $712.57 thousand -67.0%N/A0.3 $49.83 10/31/202343,300 shares $2.16 million +35.3%N/A1.1 $49.88 10/15/202332,000 shares $1.59 million +65.0%N/A0.9 $49.80 9/30/202319,400 shares $968.06 thousand -39.8%N/A0.6 $49.90 9/15/202332,200 shares $1.60 million -37.6%N/A1.1 $49.81 8/31/202351,600 shares $2.58 million +69.7%N/A1.8 $49.95 8/15/202330,400 shares $1.52 million +68.0%N/A0.9 $49.84 7/31/202318,100 shares $903.73 thousand -76.6%N/A0.5 $49.93 7/15/202377,300 shares $3.85 million +89.0%N/A1.8 $49.84 6/30/202340,900 shares $2.04 million +1,759.1%N/A0.8 $49.93 6/15/20232,200 shares $109.82 thousand -70.7%N/A0 $49.92 5/31/20237,500 shares $375.11 thousand +226.1%N/A0.1 $50.02 5/15/20232,300 shares $115.28 thousand No ChangeN/A0 $50.12 OBIL Short Interest - Frequently Asked Questions What is US Treasury 12 Month Bill ETF's current short interest? Short interest is the volume of US Treasury 12 Month Bill ETF shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 40,192 shares of OBIL short. 0.64% of US Treasury 12 Month Bill ETF's shares are currently sold short. Learn More on US Treasury 12 Month Bill ETF's current short interest. What is a good short interest ratio for US Treasury 12 Month Bill ETF? 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. OBIL shares currently have a short interest ratio of 1.1. Learn More on US Treasury 12 Month Bill ETF's short interest ratio. What is a good short interest percentage for US Treasury 12 Month Bill ETF? 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. 0.64% of US Treasury 12 Month Bill ETF's floating shares are currently sold short. Is US Treasury 12 Month Bill ETF's short interest increasing or decreasing? US Treasury 12 Month Bill ETF saw a increase in short interest during the month of April. As of April 30th, there was short interest totaling 40,192 shares, an increase of 100.5% from the previous total of 20,041 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. How does US Treasury 12 Month Bill ETF's short interest compare to its competitors? 0.64% of US Treasury 12 Month Bill ETF's shares are currently sold short. Here is how the short interest of companies compare to US Treasury 12 Month Bill ETF: US Treasury 10 Year Note ETF (0.29%), iShares iBonds Dec 2034 Term Treasury ETF (0.61%), iShares iBonds Dec 2035 Term Treasury ETF (1.93%), US Treasury 2 Year Note ETF (0.95%), iShares iBonds Dec 2033 Term Treasury ETF (0.25%), iShares iBonds Dec 2032 Term Treasury ETF (0.40%), iShares iBonds Dec 2044 Term Treasury ETF (0.04%), iShares iBonds Dec 2031 Term Treasury ETF (0.91%), US Treasury 5 Year Note ETF (0.07%), US Treasury 30 Year Bond ETF (0.49%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($86.09 billion), Invesco QQQ ($39.89 billion), iShares Russell 2000 ETF ($26.13 billion), Western Digital Corporation ($12.66 billion), Salesforce Inc. ($12.29 billion), Sandisk Corporation ($11.87 billion), SPDR S&P Biotech ETF ($9.82 billion), Lumentum Holdings Inc. ($8.51 billion), iShares 20+ Year Treasury Bond ETF ($7.76 billion), and Bloom Energy Corporation ($7.40 billion). View all of the most shorted stocks. What does it mean to sell short US Treasury 12 Month Bill ETF stock? Short selling OBIL is an investing strategy that aims to generate trading profit from US Treasury 12 Month Bill ETF as its price is falling. 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. How does a short squeeze work against US Treasury 12 Month Bill ETF? A short squeeze for US Treasury 12 Month Bill 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 OBIL, which in turn drives the price of the stock up even further. How often is US Treasury 12 Month Bill ETF's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including OBIL, twice per month. The most recent reporting period available is April, 30 2026. What do OBIL's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like OBIL: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. More Short Interest Resources from MarketBeat Related Companies UTEN Short Interest Data IBTP Short Interest Data IBTQ Short Interest Data UTWO Short Interest Data IBTO Short Interest Data IBTM Short Interest Data IBGA Short Interest Data IBTL Short Interest Data UFIV Short Interest Data UTHY Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:OBIL) was last updated on 5/23/2026 by MarketBeat.com Staff. From Our Partners$30 stock to buy before Starlink goes public (WATCH NOW!)In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s kno...Paradigm Press | SponsoredThe Iran War Just Broke the Gold MarketThe Iran war isn't just a geopolitical event. It's a financial one. 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