US Treasury 12 Month Bill ETF (OBIL) Short Interest Ratio & Short Volume $50.17 0.00 (0.00%) Closing price 04:00 PM EasternExtended Trading$50.17 0.00 (0.00%) As of 04:10 PM 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 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 18,100 shares. This marks a 7.10% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 42,242 shares to cover all short positions.Current Short Interest18,100 sharesPrevious Short Interest16,900 sharesChange Vs. Previous Month+7.10%Dollar Volume Sold Short$908.98 thousandShort Interest Ratio0.5 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares5,740,000 sharesPercentage of Shares Shorted0.32%Today's Trading Volume25,107 sharesAverage Trading Volume42,242 sharesToday's Volume Vs. Average59% 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 TermsBy 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. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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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 Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 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 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 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. 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 $49.78 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 $49.98 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 September 15th, investors have sold 18,100 shares of OBIL short. Learn More on US Treasury 12 Month Bill ETF's current short interest. 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 September. As of September 15th, there was short interest totaling 18,100 shares, an increase of 7.1% from the previous total of 16,900 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? Here is how the short interest of companies compare to US Treasury 12 Month Bill ETF: US Treasury 10 Year Note ETF (0.28%), US Treasury 2 Year Note ETF (0.80%), iShares iBonds Dec 2034 Term Treasury ETF (0.64%), iShares iBonds Dec 2033 Term Treasury ETF (0.42%), Vanguard Ultra-Short Treasury ETF (0.38%), iShares iBonds Dec 2031 Term Treasury ETF (0.48%), iShares iBonds Dec 2032 Term Treasury ETF (0.86%), iShares iBonds Dec 2044 Term Treasury ETF (1.50%), iShares iBonds Dec 2035 Term Treasury ETF (1.07%), iShares iBonds Dec 2030 Term Treasury ETF (0.60%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($8.81 billion), Canadian Natural Resources Limited ($5.82 billion), Reddit Inc. ($5.19 billion), Coinbase Global, Inc. ($4.52 billion), Robinhood Markets, Inc. ($4.30 billion), Charter Communications, Inc. ($3.75 billion), CoreWeave Inc. ($3.66 billion), Seagate Technology Holdings PLC ($3.57 billion), Live Nation Entertainment, Inc. ($3.33 billion), and Rocket Lab Corporation ($3.26 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 up $0.01 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 September, 15 2025. More Short Interest Resources from MarketBeat Related Companies UTEN Short Interest Data UTWO Short Interest Data IBTP Short Interest Data IBTO Short Interest Data VGUS Short Interest Data IBTL Short Interest Data IBTM Short Interest Data IBGA Short Interest Data IBTQ Short Interest Data IBTK 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 10/6/2025 by MarketBeat.com Staff From Our PartnersNvidia Times 1,000,000Nvidia’s latest AI chip is a $25,000 powerhouse — with 80 billion transistors and the ability to perform 60 tr...Paradigm Press | SponsoredElon’s Out 🚫. Trump’s DOGE Payouts Keep Flowing (Up to $32K a Year)DOGE payouts are already moving. 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