Shuttle Pharmaceuticals (SHPH) Short Interest Ratio & Short Volume $3.63 -0.05 (-1.36%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$3.64 +0.01 (+0.39%) As of 10/17/2025 07:55 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Shuttle Pharmaceuticals Short Interest DataShuttle Pharmaceuticals (SHPH) has a short interest of 54,100 shares, representing 5.80% of the float (the number of shares available for trading by the public). This marks a 236.02% 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 286,735 shares to cover all short positions.Current Short Interest54,100 sharesPrevious Short Interest16,100 sharesChange Vs. Previous Month+236.02%Dollar Volume Sold Short$192.06 thousandShort Interest Ratio0.5 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares1,070,000 sharesFloat Size933,500 sharesShort Percent of Float5.80%Today's Trading Volume79,030 sharesAverage Trading Volume286,735 sharesToday's Volume Vs. Average28% Short Selling Shuttle Pharmaceuticals? Sign up to receive the latest short interest report for Shuttle Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSHPH Short Interest Over TimeSHPH Days to Cover Over TimeSHPH Percentage of Float Shorted Over Time Shuttle Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/202554,100 shares $192.06 thousand +236.0%5.8%0.5 $3.55 9/15/202516,100 shares $55.87 thousand +32.0%1.7%0.1 $3.47 8/31/202512,200 shares $40.26 thousand -27.8%1.3%0.1 $3.30 8/15/202516,900 shares $56.11 thousand -14.7%1.8%0.1 $3.32 7/31/202519,800 shares $72.27 thousand -51.4%2.1%0.1 $3.65 7/15/202540,700 shares $191.29 thousand -12.5%4.0%0.1 $4.70 6/30/202546,500 shares $175.31 thousand +68.5%4.7%0.2 $3.77 6/15/202527,600 shares $3.67 thousand -91.2%11.4%0.1 $0.13 5/31/2025312,700 shares $53.85 thousand -55.2%5.2%0.1 $0.17 5/15/2025698,600 shares $155.23 thousand +413.3%11.5%0.2 $0.22 Get the Latest News and Ratings for SHPH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Shuttle Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 4/30/2025136,100 shares $36.39 thousand -80.9%4.1%0 $0.27 4/15/2025710,900 shares $185.54 thousand +961.0%21.3%1.1 $0.26 3/31/202567,000 shares $26.06 thousand +73.6%2.0%0.3 $0.39 3/15/202538,600 shares $14.28 thousand -8.3%0.9%0.3 $0.37 2/28/202542,100 shares $25.63 thousand +63.8%1.3%0.4 $0.61 2/15/202525,700 shares $17.98 thousand +176.3%1.1%0.3 $0.70 1/31/20259,300 shares $7.00 thousand +3.3%0.4%0.1 $0.75 1/15/20259,000 shares $7.57 thousand -73.5%0.3%0 $0.84 12/31/202433,900 shares $29.12 thousand +1,312.5%1.2%0 $0.86 12/15/20242,400 shares $1.64 thousand -95.8%0.1%0 $0.68 11/30/202456,900 shares $48.25 thousand -3.4%2.3%0.1 $0.85 11/15/202458,900 shares $58.72 thousand -91.6%2.6%0 $1.00 10/31/2024702,600 shares $1.31 million +1,984.9%34.8%0.5 $1.87 10/15/202433,700 shares $37.41 thousand -18.0%1.7%0.1 $1.11 9/30/202441,100 shares $54.66 thousand -52.1%2.0%0.1 $1.33 9/15/202485,800 shares $145.86 thousand +909.4%6.9%0.2 $1.70 8/31/20248,500 shares $16.41 thousand -59.1%0.7%0 $1.93 8/15/202420,800 shares $43.47 thousand -86.7%1.8%0.5 $2.09 7/31/2024156,500 shares $62.58 thousand +112.1%1.7%0.5 $0.40 7/15/202473,800 shares $31.14 thousand +138.1%0.8%0.3 $0.42 6/30/202431,000 shares $12.39 thousand +46.2%0.3%0.5 $0.40 6/15/202421,200 shares $9.16 thousand -43.9%0.2%0.4 $0.43 5/31/202437,800 shares $20.07 thousand -7.4%0.4%0.6 $0.53 5/15/202440,800 shares $16.48 thousand -41.6%0.4%1 $0.40 4/30/202469,800 shares $28.42 thousand -4.4%0.7%1.4 $0.41 4/15/202473,000 shares $29.92 thousand +11.3%0.8%1.3 $0.41 3/31/202465,600 shares $26.63 thousand -0.5%0.7%0.5 $0.41 3/15/202465,900 shares $30.31 thousand +28.2%0.8%0.4 $0.46 2/29/202451,400 shares $20.12 thousand -41.4%0.6%0.3 $0.39 2/15/202487,700 shares $32.21 thousand -35.3%1.0%0.6 $0.37 1/31/2024135,500 shares $54.11 thousand +61.3%1.6%0.9 $0.40 1/15/202484,000 shares $38.22 thousand -25.3%1.0%0.5 $0.46 12/31/2023112,400 shares $51.14 thousand +497.9%1.3%1 $0.46 12/15/202318,800 shares $8.99 thousand -37.3%0.2%0.2 $0.48 11/30/202330,000 shares $15.00 thousand -30.1%0.3%0.3 $0.50 11/15/202342,900 shares $21.24 thousand -36.3%0.5%0.3 $0.50 10/31/202367,300 shares $31.29 thousand -35.0%0.8%0.5 $0.47 10/15/2023103,600 shares $64.23 thousand +5.4%1.2%0.7 $0.62 9/30/202398,300 shares $59.96 thousand +15.4%1.3%0.6 $0.61 9/15/202385,200 shares $60.75 thousand -37.6%1.1%0.5 $0.71 8/31/2023136,500 shares $101.00 thousand +7.2%1.9%0.7 $0.74 8/15/2023127,300 shares $108.19 thousand -23.5%1.8%0.1 $0.85 7/31/2023166,300 shares $149.69 thousand +43.2%2.6%0.1 $0.90 7/15/2023116,100 shares $119.58 thousand +20.7%1.8%0.1 $1.03 6/30/202396,200 shares $110.63 thousand -52.6%1.5%0.1 $1.15 6/15/2023202,900 shares $213.05 thousand -65.1%3.5%0.1 $1.05 5/31/2023582,100 shares $646.54 thousand +1,008.8%10.1%0.4 $1.11 5/15/202352,500 shares $56.70 thousand No Change1.0%0 $1.08 SHPH Short Interest - Frequently Asked Questions What is Shuttle Pharmaceuticals' current short interest? Short interest is the volume of Shuttle Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of September 30th, investors have sold 54,100 shares of SHPH short. 5.80% of Shuttle Pharmaceuticals' shares are currently sold short. Learn More on Shuttle Pharmaceuticals' current short interest. What is a good short interest percentage for Shuttle Pharmaceuticals? 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. 5.80% of Shuttle Pharmaceuticals' floating shares are currently sold short. Is Shuttle Pharmaceuticals' short interest increasing or decreasing? Shuttle Pharmaceuticals saw a increase in short interest in September. As of September 30th, there was short interest totaling 54,100 shares, an increase of 236.0% from the previous total of 16,100 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. What is Shuttle Pharmaceuticals' float size? Shuttle Pharmaceuticals currently has issued a total of 1,070,000 shares. Some of Shuttle Pharmaceuticals' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Shuttle Pharmaceuticals currently has a public float of 933,500 shares. How does Shuttle Pharmaceuticals' short interest compare to its competitors? 5.80% of Shuttle Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Shuttle Pharmaceuticals: Tharimmune, Inc. (16.43%), Aspire Biopharma Holdings, Inc. (2.05%), Traws Pharma, Inc. (2.21%), Lipocine Inc. (2.07%), iBio, Inc. (4.87%), NeuroSense Therapeutics Ltd. (3.00%), Longeveron Inc. (11.33%), Pulmatrix, Inc. (0.35%), Mannatech, Incorporated (0.99%), Natural Alternatives International, Inc. (0.06%), 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 ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks. What does it mean to sell short Shuttle Pharmaceuticals stock? Short selling SHPH is an investing strategy that aims to generate trading profit from Shuttle Pharmaceuticals as its price is falling. SHPH shares are trading down $0.05 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 Shuttle Pharmaceuticals? A short squeeze for Shuttle Pharmaceuticals 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 SHPH, which in turn drives the price of the stock up even further. How often is Shuttle Pharmaceuticals' 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 SHPH, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies THAR Short Interest Data ASBP Short Interest Data TRAW Short Interest Data LPCN Short Interest Data IBIO Short Interest Data NRSN Short Interest Data LGVN Short Interest Data PULM Short Interest Data MTEX Short Interest Data NAII 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:SHPH) was last updated on 10/19/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | SponsoredFront-Run Buffett's Shocking Gold MoveA Historic Gold Announcement Is About to Rock Wall Street? 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