US Treasury 12 Month Bill ETF (OBIL) Short Interest Ratio & Short Volume $50.10 -0.03 (-0.05%) As of 11:59 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartDividendHeadlinesHoldingsOwnershipShort InterestTrendsBuy This Stock US Treasury 12 Month Bill ETF Short Interest DataUS Treasury 12 Month Bill ETF (OBIL) has a short interest of 29,600 shares, representing 0.54% of the float (the number of shares available for trading by the public). This marks a 124.24% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.7, indicating that it would take 0.7 days of the average trading volume of 43,510 shares to cover all short positions.Current Short Interest29,600 sharesPrevious Short Interest13,200 sharesChange Vs. Previous Month+124.24%Dollar Volume Sold Short$1.48 millionShort Interest Ratio0.7 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares5,470,000 sharesShort Percent of Float0.54%Today's Trading Volume13,415 sharesAverage Trading Volume43,510 sharesToday's Volume Vs. Average31% 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 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 Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 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 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 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. 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 $49.78 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 $49.98The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 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 July 31st, investors have sold 29,600 shares of OBIL short. 0.54% 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 1.0. 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. 0.54% 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 in the month of July. As of July 31st, there was short interest totaling 29,600 shares, an increase of 124.2% from the previous total of 13,200 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? 0.54% 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: iShares iBonds Dec 2032 Term Treasury ETF (0.20%), US Treasury 10 Year Note ETF (0.06%), iShares iBonds Dec 2033 Term Treasury ETF (0.01%), US Treasury 2 Year Note ETF (0.38%), iShares iBonds Dec 2034 Term Treasury ETF (0.10%), iShares iBonds Dec 2031 Term Treasury ETF (0.47%), iShares iBonds Dec 2030 Term Treasury ETF (0.44%), iShares iBonds Dec 2044 Term Treasury ETF (0.03%), US Treasury 5 Year Note ETF (1.04%), US Treasury 30 Year Bond ETF (1.46%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), MicroStrategy Incorporated ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 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. OBIL shares are trading down $0.03 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. 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 July, 31 2025. 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