System1 (SST) Short Interest Ratio & Short Volume $7.74 +0.01 (+0.10%) Closing price 10/13/2025 03:59 PM EasternExtended Trading$7.31 -0.43 (-5.53%) As of 07:00 AM 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 TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock System1 Short Interest DataSystem1 (SST) has a short interest of 219,100 shares, representing 12.96% of the float (the number of shares available for trading by the public). This marks a 0.09% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 27,601 shares to cover all short positions.Current Short Interest219,100 sharesPrevious Short Interest218,900 sharesChange Vs. Previous Month+0.09%Dollar Volume Sold Short$1.93 millionShort Interest Ratio2.5 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares9,915,000 sharesFloat Size1,690,000 sharesShort Percent of Float12.96%Today's Trading Volume18,520 sharesAverage Trading Volume27,601 sharesToday's Volume Vs. Average67% Short Selling System1? Sign up to receive the latest short interest report for System1 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSST Short Interest Over TimeSST Days to Cover Over TimeSST Percentage of Float Shorted Over Time System1 Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/15/2025219,100 shares $1.93 million +0.1%13.0%2.5 $8.82 8/31/2025218,900 shares $1.55 million +8.2%9.5%1.5 $7.08 8/15/2025202,300 shares $1.17 million +16.7%8.8%1.4 $5.80 7/31/2025173,400 shares $1.08 million -5.5%10.2%1.3 $6.22 7/15/2025183,500 shares $1.12 million +15.8%8.0%1.4 $6.11 6/30/2025158,500 shares $886.02 thousand -25.9%6.9%1.3 $5.59 6/15/2025213,800 shares $822.06 thousand -86.2%32.4%2.3 $3.85 5/31/20251,550,000 shares $550.72 thousand -8.3%23.9%10.8 $0.36 5/15/20251,690,000 shares $794.13 thousand +5.6%26.1%12.6 $0.47 4/30/20251,600,000 shares $924.48 thousand -4.2%24.7%11.5 $0.58 Get the Latest News and Ratings for SST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for System1 and its competitors with MarketBeat's FREE daily newsletter. 4/15/20251,670,000 shares $484.30 thousand -1.2%18.4%10.9 $0.29 3/31/20251,690,000 shares $660.79 thousand -12.4%18.7%3.5 $0.39 3/15/20251,930,000 shares $947.63 thousand -6.8%21.4%3.9 $0.49 2/28/20252,070,000 shares $1.10 million -4.2%24.1%4.3 $0.53 2/15/20252,160,000 shares $1.46 million -1.4%25.2%4.6 $0.68 1/31/20252,190,000 shares $1.41 million +36.9%25.5%4.6 $0.65 1/15/20251,600,000 shares $1.08 million +6.7%18.7%3.5 $0.67 12/31/20241,500,000 shares $1.35 million +6.4%17.6%12.6 $0.90 12/15/20241,410,000 shares $1.22 million -11.9%12.8%13.4 $0.87 11/30/20241,600,000 shares $1.68 million +0.6%16.0%15.7 $1.05 11/15/20241,590,000 shares $1.53 million -1.2%15.9%13.9 $0.96 10/31/20241,610,000 shares $1.58 million -8.0%16.4%8.5 $0.98 10/15/20241,750,000 shares $1.93 million -0.6%17.8%9 $1.10 9/30/20241,760,000 shares $1.97 million +4.1%18.1%8.8 $1.12 9/15/20241,690,000 shares $2.16 million +4.3%17.4%7 $1.28 8/31/20241,620,000 shares $2.01 million +30.7%16.6%6.7 $1.24 8/15/20241,240,000 shares $1.30 million -0.8%13.3%4.7 $1.05 7/31/20241,250,000 shares $1.70 million +11.6%13.6%6.4 $1.36 7/15/20241,120,000 shares $1.68 million +14.9%11.8%5.6 $1.50 6/30/2024974,700 shares $1.48 million -28.9%10.1%4.3 $1.52 6/15/20241,370,000 shares $1.97 million -1.4%13.0%2.6 $1.44 5/31/20241,390,000 shares $1.81 million -8.6%2.0%2.6 $1.30 5/15/20241,520,000 shares $2.36 million -3.8%7.0%3.1 $1.56 4/30/20241,580,000 shares $2.70 million +30.6%2.3%3.3 $1.71 4/15/20241,210,000 shares $2.26 million +41.7%1.8%2.6 $1.87 3/31/2024854,100 shares $1.67 million -0.5%5.8%1.9 $1.96 3/15/2024858,200 shares $1.24 million -0.4%5.8%6.8 $1.44 2/29/2024862,000 shares $1.44 million -10.0%4.5%4.8 $1.67 2/15/2024957,900 shares $1.84 million -2.4%5.0%4.9 $1.92 1/31/2024981,000 shares $1.77 million +0.7%5.1%5 $1.80 1/15/2024974,100 shares $1.59 million +3.9%5.1%4.9 $1.63 12/31/2023937,700 shares $2.08 million -9.0%4.9%4.8 $2.22 12/15/20231,030,000 shares $1.88 million +13.7%5.7%5.7 $1.83 11/30/2023905,700 shares $1.35 million +3.1%4.9%6.3 $1.49 11/15/2023878,600 shares $1.02 million +3.9%4.8%4.5 $1.16 10/31/2023845,700 shares $981.01 thousand -14.7%4.7%4.2 $1.16 10/15/2023991,100 shares $1.18 million -4.7%5.5%4.7 $1.19 9/30/20231,040,000 shares $1.26 million +3.0%5.7%4.9 $1.21 9/15/20231,010,000 shares $1.19 million No Change5.6%4.7 $1.18 8/31/20231,010,000 shares $1.80 million +17.3%5.6%4.2 $1.78 8/15/2023861,400 shares $1.58 million +3.1%4.6%5.8 $1.84 7/31/2023835,300 shares $2.38 million -16.5%4.4%6 $2.86 7/15/20231,000,000 shares $4.12 million -3.9%5.1%8.1 $4.12 6/30/20231,040,000 shares $4.66 million +161.6%5.3%9.4 $4.48 6/15/2023397,600 shares $1.79 million -12.7%2.2%3.9 $4.49 5/31/2023455,400 shares $1.59 million -15.0%2.6%10.2 $3.49 5/15/2023535,700 shares $1.65 million -12.2%3.1%14.5 $3.08 4/30/2023610,400 shares $1.76 million -2.2%3.5%15.2 $2.88 4/15/2023624,000 shares $2.53 million -8.7%3.7%15.6 $4.05 3/31/2023683,600 shares $2.94 million +8.3%4.1%16.8 $4.30 3/15/2023631,000 shares $2.16 million +3.3%3.8%14.6 $3.43 2/28/2023610,800 shares $2.69 million +2.0%3.5%12.9 $4.40 2/15/2023598,700 shares $2.74 million -13.8%3.4%11.5 $4.58 1/31/2023694,300 shares $3.29 million +14.2%4.0%9.5 $4.74 1/15/2023608,000 shares $2.99 million -13.9%3.5%7.3 $4.92 12/30/2022706,400 shares $3.31 million -2.2%4.0%6.7 $4.69 12/15/2022721,900 shares $3.34 million +9.6%4.1%5.9 $4.63 11/30/2022658,700 shares $3.45 million -1.6%3.9%3.3 $5.23 11/15/2022669,500 shares $3.46 million +2.9%4.0%2.5 $5.17 10/31/2022650,600 shares $3.37 million -3.3%3.9%1.9 $5.18 10/15/2022672,700 shares $4.08 million -12.6%4.0%2 $6.06 9/30/2022769,800 shares $4.84 million -53.4%N/A2.4 $6.29 9/15/20221,650,000 shares $13.33 million -37.3%N/A4.8 $8.08 8/31/20222,630,000 shares $29.06 million +119.2%N/A8 $11.05 8/15/20221,200,000 shares $11.15 million -7.7%N/A4 $9.29 7/31/20221,300,000 shares $10.69 million -11.0%N/A4.4 $8.22 7/15/20221,460,000 shares $11.07 million No ChangeN/A3.1 $7.58 SST Short Interest - Frequently Asked Questions What is System1's current short interest? Short interest is the volume of System1 shares that have been sold short but have not yet been covered or closed out. As of September 15th, traders have sold 219,100 shares of SST short. 12.96% of System1's shares are currently sold short. Learn More on System1's current short interest. What is a good short interest ratio for System1? 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. SST shares currently have a short interest ratio of 2.0. Learn More on System1's short interest ratio. What is a good short interest percentage for System1? 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. 12.96% of System1's floating shares are currently sold short. Is System1's short interest increasing or decreasing? System1 saw a increase in short interest in September. As of September 15th, there was short interest totaling 219,100 shares, an increase of 0.1% from the previous total of 218,900 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. What is System1's float size? System1 currently has issued a total of 9,915,000 shares. Some of System1's 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. System1 currently has a public float of 1,690,000 shares. How does System1's short interest compare to its competitors? 12.96% of System1's shares are currently sold short. Here is how the short interest of companies in the industry of "computer software" compare to System1: TruBridge, Inc. (5.31%), GCL Global Holdings Ltd. (0.15%), eGain Corporation (1.88%), SmartRent, Inc. (2.14%), Inspired Entertainment, Inc. (3.33%), Cheetah Mobile Inc. (0.26%), Eventbrite, Inc. (3.56%), ON24, Inc. (3.25%), Kaltura, Inc. (1.43%), Asure Software Inc (2.94%), 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 System1 stock? Short selling SST is an investing strategy that aims to generate trading profit from System1 as its price is falling. SST 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 System1? A short squeeze for System1 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 SST, which in turn drives the price of the stock up even further. How often is System1'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 SST, twice per month. The most recent reporting period available is September, 15 2025. 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