Synthetic Biologics (SYN) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Synthetic Biologics Short Interest DataSynthetic Biologics (SYN) has a short interest of 392,000 shares, representing 2.49% of the float (the number of shares available for trading by the public). This marks a -9.03% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.1, indicating that it would take 2.1 days of the average trading volume of 197,338 shares to cover all short positions.Current Short Interest392,000 sharesPrevious Short Interest430,900 sharesChange Vs. Previous Month-9.03%Dollar Volume Sold Short$0.00Short Interest Ratio2.1 Days to CoverLast Record DateSeptember 30, 2022Outstanding Shares15,844,000 sharesFloat Size15,750,000 sharesShort Percent of Float2.49%Today's Trading Volume57,700 sharesAverage Trading Volume197,338 sharesToday's Volume Vs. Average29% Short Selling Synthetic Biologics? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSYN Short Interest Over TimeSYN Days to Cover Over TimeSYN Percentage of Float Shorted Over Time Synthetic Biologics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/2022392,000 shares $0.00 -9.0%2.5%2.1 $0.00 9/15/2022430,900 shares $0.00 +1.6%2.8%2.2 $0.00 8/31/2022424,000 shares $0.00 -21.5%2.7%2.2 $0.00 8/15/2022540,000 shares $0.00 +141.2%3.5%2.8 $0.00 7/31/2022223,900 shares $0.00 +233.7%1.4%1.2 $0.00 7/15/202267,100 shares $0.00 -36.4%N/A0.6 $0.00 6/30/20221,050,000 shares $0.00 -6.3%N/A1.3 $0.00 6/15/20221,120,000 shares $0.00 -2.6%N/A1 $0.00 5/31/20221,150,000 shares $0.00 -21.8%N/A0.4 $0.00 5/15/20221,470,000 shares $0.00 +58.3%N/A0.5 $0.00 Get the Latest News and Ratings for SYN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Synthetic Biologics and its competitors with MarketBeat's FREE daily newsletter. 4/30/2022928,800 shares $0.00 +20.2%N/A0.3 $0.00 4/15/2022773,000 shares $0.00 -29.1%N/A0.2 $0.00 3/31/20221,090,000 shares $0.00 -26.4%N/A0.3 $0.00 3/15/20221,480,000 shares $0.00 +31.0%1.1%0.5 $0.00 2/28/20221,130,000 shares $0.00 -27.6%0.9%0.6 $0.00 2/15/20221,560,000 shares $0.00 +12.2%1.2%0.8 $0.00 1/31/20221,390,000 shares $0.00 +27.5%1.1%0.7 $0.00 1/15/20221,090,000 shares $0.00 -28.8%0.8%0.6 $0.00 12/31/20211,530,000 shares $416.47 thousand +159.2%1.2%0.8 $0.27 12/15/2021590,200 shares $0.00 +19.6%0.5%0.3 $0.00 11/30/2021493,700 shares $170.33 thousand +139.1%0.4%0.3 $0.35 11/15/2021206,500 shares $0.00 -40.6%0.2%0.1 $0.00 10/29/2021347,600 shares $0.00 +1,664.5%0.3%0.2 $0.00 10/15/202119,700 shares $0.00 +61.5%0.0%0 $0.00 9/30/202112,200 shares $0.00 -97.4%0.0%0 $0.00 9/15/2021464,000 shares $0.00 +1,849.6%0.4%0.3 $0.00 8/31/202123,800 shares $0.00 +28.0%0.0%0 $0.00 8/13/202118,600 shares $0.00 -79.3%0.0%0 $0.00 7/30/202189,900 shares $0.00 -15.9%0.1%0 $0.00 7/15/2021106,900 shares $0.00 -70.3%0.1%0 $0.00 6/30/2021359,300 shares $0.00 -55.8%0.3%0.1 $0.00 6/15/2021812,100 shares $0.00 +3.8%0.6%0.2 $0.00 5/28/2021782,300 shares $0.00 +10.3%0.6%0.1 $0.00 5/14/2021709,100 shares $0.00 -38.9%N/A0.1 $0.00 4/30/20211,160,000 shares $0.00 -79.4%N/A0.1 $0.00 4/15/20215,620,000 shares $2.81 million +0.7%N/A0.4 $0.50 3/31/20215,580,000 shares $3.24 million +4.9%N/A0.3 $0.58 3/15/20215,320,000 shares $3.19 million -45.4%N/A0.2 $0.60 2/26/20219,740,000 shares $6.53 million +264.8%N/A0.5 $0.67 2/12/20212,670,000 shares $1.82 million +35.5%N/A0.2 $0.68$100 Trillion “AI Metal” Found in American Ghost Town (Ad)Jeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could be the biggest technology story of this decade. In short, he believes what he's holding in his hand is the key to the $100 trillion AI boom… And only one company here in the U.S. can mine this obscure metal.Click here to get the details on this virtual monopoly. 1/29/20211,970,000 shares $1.46 million +8.8%N/A0.2 $0.74 1/15/20211,810,000 shares $1.99 million +565.4%N/A0.2 $1.10 12/31/2020272,000 shares $113.42 thousand +31.5%N/A0 $0.42 12/15/2020206,900 shares $72.93 thousand -36.0%N/A0.3 $0.35 11/30/2020323,300 shares $121.17 thousand +2.0%N/A0.6 $0.37 11/15/2020317,000 shares $108.57 thousand +17.5%N/A0.5 $0.34 10/30/2020269,700 shares $83.66 thousand +666.2%N/A0.4 $0.31 10/15/202035,200 shares $11.80 thousand -75.4%N/A0 $0.34 9/30/2020143,000 shares $67.88 thousand +135.2%N/A0.2 $0.47 9/15/202060,800 shares $29.49 thousand -71.8%N/A0.1 $0.49 8/31/2020215,400 shares $137.53 thousand +4.4%N/A0.3 $0.64 8/14/2020206,400 shares $115.58 thousand +76.0%N/A0.3 $0.56 7/31/2020117,300 shares $67.81 thousand +18.1%N/A0.2 $0.58 7/15/202099,300 shares $48.71 thousand -76.1%N/A0.2 $0.49 SYN Short Interest - Frequently Asked Questions What is Synthetic Biologics' current short interest? Short interest is the volume of Synthetic Biologics shares that have been sold short but have not yet been closed out or covered. As of September 30th, investors have sold 392,000 shares of SYN short. 2.49% of Synthetic Biologics' shares are currently sold short. Learn More on Synthetic Biologics' current short interest. What is a good short interest ratio for Synthetic Biologics? 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. SYN shares currently have a short interest ratio of 2.0. Learn More on Synthetic Biologics's short interest ratio. What is a good short interest percentage for Synthetic Biologics? 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. 2.49% of Synthetic Biologics' floating shares are currently sold short. Is Synthetic Biologics' short interest increasing or decreasing? Synthetic Biologics saw a drop in short interest in September. As of September 30th, there was short interest totaling 392,000 shares, a drop of 9.0% from the previous total of 430,900 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 Synthetic Biologics' float size? Synthetic Biologics currently has issued a total of 15,844,000 shares. Some of Synthetic Biologics' 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. Synthetic Biologics currently has a public float of 15,750,000 shares. How does Synthetic Biologics' short interest compare to its competitors? 2.49% of Synthetic Biologics' shares are currently sold short. Here is how the short interest of companies compare to Synthetic Biologics: PyroGenesis Canada Inc. (0.11%), Actinium Pharmaceuticals, Inc. (4.88%), Aadi Bioscience, Inc. (6.58%), Zomedica Corp. (0.06%), Eagle Pharmaceuticals, Inc. (0.46%), Marinus Pharmaceuticals, Inc. (3.95%), Allakos Inc. (0.37%), IntelGenx Technologies Corp. (0.01%), Cara Therapeutics, Inc. (1.74%), NanoViricides, Inc. (0.59%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Occidental Petroleum Corporation ($3.27 billion), Charter Communications, Inc. ($2.66 billion), TC Energy Corporation ($2.53 billion), Chesapeake Energy Co. ($1.86 billion), Coinbase Global, Inc. ($1.83 billion), Lucid Group, Inc. ($1.78 billion), T. Rowe Price Group, Inc. ($1.77 billion), Rivian Automotive, Inc. ($1.69 billion), Zoom Communications, Inc. ($1.35 billion), and Williams-Sonoma, Inc. ($1.35 billion). View all of the most shorted stocks. What does it mean to sell short Synthetic Biologics stock? Short selling SYN is an investing strategy that aims to generate trading profit from Synthetic Biologics as its price is falling. 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 Synthetic Biologics? A short squeeze for Synthetic Biologics 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 SYN, which in turn drives the price of the stock up even further. How often is Synthetic Biologics' 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 SYN, twice per month. The most recent reporting period available is September, 30 2022. More Short Interest Resources from MarketBeat Related Companies PyroGenesis Canada Short Interest Actinium Pharmaceuticals Short Interest Aadi Bioscience Short Interest Zomedica Short Interest Eagle Pharmaceuticals Short Interest Marinus Pharmaceuticals Short Interest Allakos Short Interest IntelGenx Technologies Short Interest Cara Therapeutics Short Interest NanoViricides Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEAMERICAN:SYN) was last updated on 7/7/2025 by MarketBeat.com Staff From Our PartnersA grave, grave error.I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. 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