Sienna Biopharmaceuticals (SNNAQ) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisChartSEC FilingsShort InterestBuy This Stock Sienna Biopharmaceuticals Short Interest DataSienna Biopharmaceuticals (SNNAQ) has a short interest of 1,000 shares. This marks a 0.00% change in short interest from the previous month. The short interest ratio (days to cover) is 1.7, indicating that it would take 1.7 days of the average trading volume of 140 shares to cover all short positions.Current Short Interest1,000 sharesPrevious Short Interest1,000 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$0.10Short Interest Ratio1.7 Days to CoverLast Record DateSeptember 30, 2025Today's Trading Volume0 sharesAverage Trading Volume140 sharesToday's Volume Vs. Average0% Short Selling Sienna Biopharmaceuticals? Sign up to receive the latest short interest report for Sienna Biopharmaceuticals 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 ChartSNNAQ Short Interest Over TimeSNNAQ Days to Cover Over TimeSNNAQ Percentage of Float Shorted Over Time Sienna Biopharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/20251,000 shares $0.10 No ChangeN/A1.7 $0.00 9/15/20251,000 shares $0.00 No ChangeN/A0 $0.00 8/31/20251,000 shares $0.00 No ChangeN/A0 $0.00 8/15/20251,000 shares $0.00 No ChangeN/A0 $0.00 7/31/20251,000 shares $0.00 No ChangeN/A1.4 $0.00 7/15/20251,000 shares $0.00 No ChangeN/A0 $0.00 6/30/20251,000 shares $0.00 No ChangeN/A0.1 $0.00 6/15/20251,000 shares $0.10 No ChangeN/A0.4 $0.00 5/31/20251,000 shares $0.00 No Change0.0%0.2 $0.00 5/15/20251,000 shares $0.00 No Change0.0%10 $0.00 Get the Latest News and Ratings for SNNAQ and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sienna Biopharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 4/30/20251,000 shares $0.00 No ChangeN/A0 $0.00 4/15/20251,000 shares $0.00 No Change0.0%0 $0.00 3/31/20251,000 shares $0.00 No Change0.0%0 $0.00 3/15/20251,000 shares $0.00 No Change0.0%0 $0.00 2/28/20251,000 shares $0.00 No Change0.0%0 $0.00 2/15/20251,000 shares $0.00 No Change0.0%10 $0.00 1/31/20251,000 shares $0.10 No ChangeN/A0.9 $0.00 1/15/20251,000 shares $0.00 No ChangeN/A0 $0.00 12/31/20241,000 shares $0.00 No ChangeN/A0 $0.00 12/15/20241,000 shares $0.00 No ChangeN/A2.5 $0.00 11/30/20241,000 shares $0.00 No ChangeN/A0 $0.00 11/15/20241,000 shares $0.00 No ChangeN/A1 $0.00 10/31/20241,000 shares $0.00 No ChangeN/A10 $0.00 10/15/20241,000 shares $0.00 No ChangeN/A5 $0.00 9/30/20241,000 shares $0.00 No ChangeN/A3.3 $0.00 9/15/20241,000 shares $0.00 No ChangeN/A1.7 $0.00 8/31/20241,000 shares $0.00 No ChangeN/A0 $0.00 8/15/20241,000 shares $0.00 No ChangeN/A0 $0.00 7/31/20241,000 shares $0.00 -28.6%N/A0 $0.00 7/15/20241,400 shares $0.00 No ChangeN/A0 $0.00 6/30/20241,400 shares $0.00 No ChangeN/A0 $0.00 6/15/20241,400 shares $0.00 No ChangeN/A0 $0.00 5/31/20241,400 shares $0.00 No ChangeN/A0 $0.00 5/15/20241,400 shares $0.00 No ChangeN/A4.7 $0.00 4/30/20241,400 shares $0.00 No ChangeN/A0 $0.00 4/15/20241,400 shares $0.00 No ChangeN/A0 $0.00 3/31/20241,400 shares $0.00 No ChangeN/A14 $0.00 3/15/20241,400 shares $0.00 No ChangeN/A0 $0.00 2/29/20241,400 shares $0.00 No ChangeN/A7 $0.00 2/15/20241,400 shares $0.00 No ChangeN/A14 $0.00 1/15/20241,400 shares $0.00 -17.7%N/A0 $0.00 12/31/20231,700 shares $0.00 No ChangeN/A1.4 $0.00 12/15/20231,700 shares $0.00 No ChangeN/A0 $0.00 11/30/20231,700 shares $0.00 No ChangeN/A0.4 $0.00 11/15/20231,700 shares $0.17 No ChangeN/A8.5 $0.00 10/31/20231,700 shares $0.00 No ChangeN/A17 $0.00 10/15/20231,700 shares $0.00 No ChangeN/A8.5 $0.00 9/30/20231,700 shares $0.00 No ChangeN/A5.7 $0.00 9/15/20231,700 shares $0.00 No ChangeN/A17 $0.00 8/31/20231,700 shares $0.00 No ChangeN/A33.9 $0.00 8/15/20231,700 shares $0.00 No ChangeN/A17 $0.00 7/31/20231,700 shares $0.00 No ChangeN/A0.7 $0.00 7/15/20231,700 shares $0.00 No ChangeN/A17 $0.00 6/30/20231,700 shares $0.00 No ChangeN/A0.1 $0.00 6/15/20231,700 shares $0.17 No ChangeN/A1.4 $0.00 5/31/20231,700 shares $0.00 No ChangeN/A0 $0.00 5/15/20231,700 shares $0.00 No ChangeN/A1.3 $0.00 4/30/20231,700 shares $0.00 No ChangeN/A17 $0.00 4/15/20231,700 shares $0.00 No ChangeN/A17 $0.00 3/31/20231,700 shares $0.00 No ChangeN/A0 $0.00 3/15/20231,700 shares $0.00 No ChangeN/A0 $0.00 2/28/20231,700 shares $0.00 No ChangeN/A0.9 $0.00 2/15/20231,700 shares $0.00 No ChangeN/A17 $0.00 1/31/20231,700 shares $0.00 No ChangeN/A8.5 $0.00 1/15/20231,700 shares $0.00 No ChangeN/A0 $0.00 12/30/20221,700 shares $0.00 No ChangeN/A0.2 $0.00 12/15/20221,700 shares $0.00 No ChangeN/A0 $0.00 11/30/20221,700 shares $0.00 No ChangeN/A0 $0.00 11/15/20221,700 shares $0.00 No ChangeN/A0 $0.00 10/31/20221,700 shares $0.00 No ChangeN/A0 $0.00 10/15/20221,700 shares $0.00 No ChangeN/A0.1 $0.00 9/30/20221,700 shares $0.00 No ChangeN/A0 $0.00 9/15/20221,700 shares $0.00 No ChangeN/A0 $0.00 8/31/20221,700 shares $0.00 No ChangeN/A0 $0.00 8/15/20221,700 shares $0.00 No ChangeN/A4.3 $0.00 7/31/20221,700 shares $0.00 No ChangeN/A0 $0.00 7/15/20221,700 shares $0.00 No ChangeN/A0 $0.00 6/30/20221,700 shares $0.00 No ChangeN/A0 $0.00 6/15/20221,700 shares $0.00 No ChangeN/A17 $0.00 5/31/20221,700 shares $0.00 No ChangeN/A2.1 $0.00 5/15/20221,700 shares $0.00 No ChangeN/A17 $0.00 4/30/20221,700 shares $0.00 No ChangeN/A0 $0.00 4/15/20221,700 shares $0.00 No ChangeN/A0 $0.00 3/31/20221,700 shares $0.00 No ChangeN/A0 $0.00 3/15/20221,700 shares $0.00 No ChangeN/A0.9 $0.00 2/28/20221,700 shares $0.17 No ChangeN/A5.7 $0.00 2/15/20221,700 shares $0.00 No ChangeN/A0 $0.00 1/31/20221,700 shares $0.17 No ChangeN/A0 $0.00 1/15/20221,700 shares $0.00 No ChangeN/A1.9 $0.00 12/31/20211,700 shares $0.00 No ChangeN/A0 $0.00 12/15/20211,700 shares $0.00 No ChangeN/A0 $0.00 11/30/20211,700 shares $0.00 No ChangeN/A0.1 $0.00 11/15/20211,700 shares $0.17 No ChangeN/A0.3 $0.00 10/29/20211,700 shares $0.17 No ChangeN/A0.3 $0.00 10/15/20211,700 shares $0.00 No ChangeN/A0 $0.00 9/30/20211,700 shares $0.00 No ChangeN/A0 $0.00 9/15/20211,700 shares $8.33 No ChangeN/A0 $0.00 8/31/20211,700 shares $13.26 -41.4%N/A0.1 $0.01 8/13/20212,900 shares $69.02 +70.6%N/A0 $0.02 7/30/20211,700 shares $12.58 No ChangeN/A0 $0.01 7/15/20211,700 shares $28.05 -74.6%N/A0 $0.02 6/30/20216,700 shares $154.77 -52.1%N/A0.2 $0.02 6/15/202114,000 shares $323.40 -31.4%N/A0.6 $0.02 5/28/202120,400 shares $469.20 +1,100.0%N/A0.6 $0.02 5/14/20211,700 shares $37.40 No ChangeN/A0 $0.02 4/30/20211,700 shares $42.50 No ChangeN/A0 $0.03 4/15/20211,700 shares $40.80 No ChangeN/A0 $0.02 3/31/20211,700 shares $61.20 No ChangeN/A0 $0.04 3/15/20211,700 shares $59.50 No ChangeN/A0 $0.04 2/26/20211,700 shares $74.80 No ChangeN/A0 $0.04 2/12/20211,700 shares $34.00 -95.5%N/A0 $0.02 1/29/202137,800 shares $340.20 +90.0%N/A0.1 $0.01 1/15/20211,700 shares $13.60 No ChangeN/A0 $0.01 12/31/202012,100 shares $80.34 +611.8%N/A0.1 $0.01 12/15/20201,700 shares $8.67 No ChangeN/A0 $0.01 11/30/20201,700 shares $8.50 No ChangeN/A0 $0.01 11/15/20201,700 shares $8.50 -95.2%N/A0 $0.01 10/30/202035,600 shares $178.00 -0.3%N/A1.5 $0.01 SNNAQ Short Interest - Frequently Asked Questions What is Sienna Biopharmaceuticals' current short interest? Short interest is the volume of Sienna Biopharmaceuticals shares that have been sold short but have not yet been covered or closed out. As of September 30th, investors have sold 1,000 shares of SNNAQ short. Learn More on Sienna Biopharmaceuticals' current short interest. What is a good short interest ratio for Sienna Biopharmaceuticals? 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. SNNAQ shares currently have a short interest ratio of 2.0. Learn More on Sienna Biopharmaceuticals's short interest ratio. 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 Sienna Biopharmaceuticals stock? Short selling SNNAQ is an investing strategy that aims to generate trading profit from Sienna Biopharmaceuticals as its price is falling. SNNAQ shares are trading down $0.00 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 Sienna Biopharmaceuticals? A short squeeze for Sienna Biopharmaceuticals 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 SNNAQ, which in turn drives the price of the stock up even further. How often is Sienna Biopharmaceuticals' 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 SNNAQ, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies FFNTF Short Interest Data AIMDW Short Interest Data AGNPF Short Interest Data ALST Short Interest Data ALVOW Short Interest Data ABMC Short Interest Data AOBI Short Interest Data ANTH Short Interest Data AZNCF Short Interest Data AVVH 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 (OTCMKTS:SNNAQ) was last updated on 10/18/2025 by MarketBeat.com Staff From Our PartnersHoly ****... 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