Simplify Treasury Option Income ETF (BUCK) Short Interest Ratio & Short Volume $23.86 +0.01 (+0.04%) Closing price 04:10 PM EasternExtended Trading$23.94 +0.09 (+0.36%) 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 AnalysisChartDividendHeadlinesHoldingsOwnershipRatingsShort InterestBuy This Stock Simplify Treasury Option Income ETF Short Interest DataSimplify Treasury Option Income ETF (BUCK) has a short interest of 441,500 shares. This marks a 30.54% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.4, indicating that it would take 3.4 days of the average trading volume of 261,211 shares to cover all short positions.Current Short Interest441,500 sharesPrevious Short Interest338,200 sharesChange Vs. Previous Month+30.54%Dollar Volume Sold Short$10.57 millionShort Interest Ratio3.4 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares14,930,000 sharesPercentage of Shares Shorted2.96%Today's Trading Volume100,703 sharesAverage Trading Volume261,211 sharesToday's Volume Vs. Average39% Short Selling Simplify Treasury Option Income ETF? Sign up to receive the latest short interest report for Simplify Treasury Option Income 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 ChartBUCK Short Interest Over TimeBUCK Days to Cover Over TimeBUCK Percentage of Float Shorted Over Time Simplify Treasury Option Income 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 9/15/2025441,500 shares $10.57 million +30.5%N/A3.4 $23.95 8/31/2025338,200 shares $8.08 million +1.3%2.3%2.4 $23.90 8/15/2025334,000 shares $7.96 million -21.0%N/A2.3 $23.82 7/31/2025422,800 shares $9.98 million +34.1%2.9%2.6 $23.60 7/15/2025315,300 shares $7.38 million -9.8%N/A1.8 $23.40 6/30/2025349,400 shares $8.26 million -2.1%2.4%1.5 $23.64 6/15/2025357,000 shares $8.39 million -16.3%2.5%1.2 $23.49 5/31/2025426,300 shares $10.01 million +34.6%3.0%1.3 $23.49 5/15/2025316,800 shares $7.44 million +5.7%N/A0.9 $23.47 4/30/2025299,600 shares $7.10 million +19.7%N/A0.8 $23.70 4/15/2025250,200 shares $5.88 million -40.7%N/A0.5 $23.50 3/14/2025387,800 shares $9.57 million -12.6%N/A1.1 $24.67 2/28/2025443,600 shares $10.91 million +8.5%N/A1.5 $24.60 2/14/2025408,800 shares $10.12 million +43.3%N/A1.5 $24.75 1/31/2025285,300 shares $7.02 million -28.5%N/A1.3 $24.60 1/15/2025399,100 shares $9.81 million +28.2%N/A3 $24.59 BUCK Short Interest - Frequently Asked Questions What is Simplify Treasury Option Income ETF's current short interest? Short interest is the volume of Simplify Treasury Option Income ETF shares that have been sold short but have not yet been covered or closed out. As of September 15th, traders have sold 441,500 shares of BUCK short. Learn More on Simplify Treasury Option Income ETF's current short interest. What is a good short interest ratio for Simplify Treasury Option Income 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. BUCK shares currently have a short interest ratio of 3.0. Learn More on Simplify Treasury Option Income ETF's short interest ratio. Is Simplify Treasury Option Income ETF's short interest increasing or decreasing? Simplify Treasury Option Income ETF saw a increase in short interest in the month of September. As of September 15th, there was short interest totaling 441,500 shares, an increase of 30.5% from the previous total of 338,200 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 Simplify Treasury Option Income ETF's short interest compare to its competitors? Here is how the short interest of companies compare to Simplify Treasury Option Income ETF: US Treasury 2 Year Note ETF (0.80%), iShares iBonds Dec 2033 Term Treasury ETF (0.42%), US Treasury 12 Month Bill ETF (0.31%), BondBloxx Bloomberg Five Year Target Duration US Treasury ETF (0.26%), Quadratic Interest Rate Volatility and Inflation Hedge ETF (0.39%), ProShares UltraShort 20+ Year Treasury (15.05%), iShares iBonds Dec 2031 Term Treasury ETF (0.48%), Vanguard Ultra-Short Treasury ETF (0.33%), iShares iBonds Dec 2032 Term Treasury ETF (0.85%), Franklin Liberty Short Duration US Government ETF (1.42%), 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 Simplify Treasury Option Income ETF stock? Short selling BUCK is an investing strategy that aims to generate trading profit from Simplify Treasury Option Income ETF as its price is falling. BUCK 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 Simplify Treasury Option Income ETF? A short squeeze for Simplify Treasury Option Income ETF occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of BUCK, which in turn drives the price of the stock up even further. How often is Simplify Treasury Option Income 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 BUCK, twice per month. The most recent reporting period available is September, 15 2025. More Short Interest Resources from MarketBeat Related Companies US Treasury 2 Year Note ETF Short Interest Data iShares iBonds Dec 2033 Term Treasury ETF Short Interest Data US Treasury 12 Month Bill ETF Short Interest Data BondBloxx Bloomberg Five Year Target Duration US Treasury ETF Short Interest Data Quadratic Interest Rate Volatility and Inflation Hedge ETF Short Interest Data ProShares UltraShort 20+ Year Treasury Short Interest Data iShares iBonds Dec 2031 Term Treasury ETF Short Interest Data Vanguard Ultra-Short Treasury ETF Short Interest Data iShares iBonds Dec 2032 Term Treasury ETF Short Interest Data Franklin Liberty Short Duration US Government ETF 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 (NYSEARCA:BUCK) was last updated on 10/9/2025 by MarketBeat.com Staff From Our PartnersBuilding The Infrastructure for the Coming Financial ResetWhile China pushes nearly $1 trillion through its new digital currency, one emerging company is quietly buildi...Intellistake | SponsoredBitcoin grabs headlines, but smart money likes this tokenBitcoin grabs headlines, but smart money likes this token My research team has identified the token positio...Crypto 101 Media | SponsoredMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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