This company has been marked as potentially delisted and may not be actively trading. ZIX (ZIXI) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock ZIX Short Interest DataZIX (ZIXI) has a short interest of 1.23 million shares, representing 2.30% of the float (the number of shares available for trading by the public). This marks a -27.65% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.5, indicating that it would take 1.5 days of the average trading volume of 722,505 shares to cover all short positions.Current Short Interest1,230,000 sharesPrevious Short Interest1,700,000 sharesChange Vs. Previous Month-27.65%Dollar Volume Sold Short$10.42 millionShort Interest Ratio1.5 Days to CoverLast Record DateNovember 30, 2021Outstanding Shares56,790,000 sharesFloat Size53,440,000 sharesShort Percent of Float2.30%Today's Trading Volume0 sharesAverage Trading Volume722,505 sharesToday's Volume Vs. Average0% Short Selling ZIX? Sign up to receive the latest short interest report for ZIX and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartZIXI Short Interest Over TimeZIXI Days to Cover Over TimeZIXI Percentage of Float Shorted Over Time ZIX Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 11/30/20211,230,000 shares $10.42 million -27.7%2.3%1.5 $8.47 11/15/20211,700,000 shares $14.40 million +6.3%3.2%2.3 $8.47 10/29/20211,600,000 shares $13.55 million +8.8%3.0%2.8 $8.47 10/15/20211,470,000 shares $11.11 million -5.2%2.8%3.3 $7.56 9/30/20211,550,000 shares $10.96 million -10.9%2.9%3.9 $7.07 9/15/20211,740,000 shares $12.88 million +3.6%3.3%4.3 $7.40 8/31/20211,680,000 shares $13.00 million -2.9%3.2%4.2 $7.74 8/13/20211,730,000 shares $12.61 million -6.5%3.2%4.2 $7.29 7/30/20211,850,000 shares $13.71 million No Change3.5%3.4 $7.41 7/15/20211,850,000 shares $12.34 million -8.4%3.5%3.1 $6.67 Get the Latest News and Ratings for ZIXI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ZIX and its competitors with MarketBeat's FREE daily newsletter. 6/30/20212,020,000 shares $14.24 million -15.8%3.8%3.3 $7.05 6/15/20212,400,000 shares $17.57 million -17.0%4.5%3.8 $7.32 5/28/20212,890,000 shares $20.14 million -7.4%5.4%4.8 $6.97 5/14/20213,120,000 shares $20.84 million +6.5%5.8%4.2 $6.68 4/30/20212,930,000 shares $23.21 million +10.2%5.5%4.3 $7.92 4/15/20212,660,000 shares $19.92 million +1.9%4.9%4 $7.49 3/31/20212,610,000 shares $18.90 million +0.4%4.8%4 $7.24 3/15/20212,600,000 shares $20.51 million +22.1%4.8%3.7 $7.89 2/26/20212,130,000 shares $19.72 million +4.4%3.9%3.1 $9.26 2/12/20212,040,000 shares $20.16 million -8.1%3.8%3.5 $9.88 1/29/20212,220,000 shares $18.67 million +21.3%4.1%3.6 $8.41 1/15/20211,830,000 shares $16.05 million -3.2%3.4%3.1 $8.77 12/31/20201,890,000 shares $16.14 million -6.4%3.5%3.2 $8.54 12/15/20202,020,000 shares $14.88 million -12.2%3.7%3.4 $7.37 11/30/20202,300,000 shares $16.70 million -4.2%4.2%3.9 $7.26 10/30/20202,860,000 shares $18.68 million -4.4%5.2%4.1 $6.53 10/15/20202,990,000 shares $19.88 million -14.6%5.5%3.6 $6.65 9/30/20203,500,000 shares $20.44 million -5.7%6.4%3.6 $5.84 9/15/20203,710,000 shares $20.92 million +6.3%6.8%3.6 $5.64 8/31/20203,490,000 shares $21.15 million -4.1%6.4%3.3 $6.06 8/14/20203,640,000 shares $22.71 million +37.9%6.7%3.4 $6.24 ZIXI Short Interest - Frequently Asked Questions What is ZIX's current short interest? Short interest is the volume of ZIX shares that have been sold short but have not yet been closed out or covered. As of November 30th, investors have sold 1,230,000 shares of ZIXI short. 2.30% of ZIX's shares are currently sold short. Learn More on ZIX's current short interest. What is a good short interest ratio for ZIX? 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. ZIXI shares currently have a short interest ratio of 2.0. Learn More on ZIX's short interest ratio. What is a good short interest percentage for ZIX? 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. 2.30% of ZIX's floating shares are currently sold short. Is ZIX's short interest increasing or decreasing? ZIX saw a decrease in short interest during the month of November. As of November 30th, there was short interest totaling 1,230,000 shares, a decrease of 27.6% from the previous total of 1,700,000 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 ZIX's float size? ZIX currently has issued a total of 56,790,000 shares. Some of ZIX'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. ZIX currently has a public float of 53,440,000 shares. How does ZIX's short interest compare to its competitors? 2.30% of ZIX's shares are currently sold short. Here is how the short interest of companies compare to ZIX: Ziff Davis, Inc. (9.87%), Cimpress plc (9.39%), QuinStreet, Inc. (2.66%), Angi Inc. (15.07%), Liquidity Services, Inc. (5.51%), TechTarget, Inc. (3.08%), Travelzoo (4.07%), DHI Group, Inc. (0.22%), LivePerson, Inc. (11.87%), Marchex, Inc. (0.07%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Advanced Micro Devices, Inc. ($11.35 billion), S&P Global Inc. ($8.85 billion), Charter Communications, Inc. ($5.23 billion), Canadian Pacific Kansas City Limited ($4.96 billion), Wayfair Inc. ($3.99 billion), Palo Alto Networks, Inc. ($3.89 billion), Etsy, Inc. ($2.57 billion), Zscaler, Inc. ($2.44 billion), eBay Inc. ($2.34 billion), and Teladoc Health, Inc. ($2.30 billion). View all of the most shorted stocks. What does it mean to sell short ZIX stock? Short selling ZIXI is an investing strategy that aims to generate trading profit from ZIX 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 ZIX? A short squeeze for ZIX 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 ZIXI, which in turn drives the price of the stock up even further. How often is ZIX'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 ZIXI, twice per month. The most recent reporting period available is November, 30 2021. More Short Interest Resources from MarketBeat Related Companies Ziff Davis Short Squeeze Cimpress Short Squeeze QuinStreet Short Squeeze Angi Short Squeeze Liquidity Services Short Squeeze TechTarget Short Squeeze Travelzoo Short Squeeze DHI Group Short Squeeze LivePerson Short Squeeze Marchex Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ZIXI) was last updated on 8/2/2025 by MarketBeat.com Staff From Our PartnersElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...The Oxford Club | SponsoredJeff Bezos Launches "ChatGPT Killer"?Amazon just launched Nova—its secretive new AI system designed to rival ChatGPT. Bezos says he now spends 95% ...Stansberry Research | SponsoredAlien rocks potentially worth trillions…It might look like just a weird rock—but it’s tied to a discovery 60 Minutes says could be worth up to $16 tri...Porter & Company | SponsoredTrump’s crypto advisor may have revealed the next big crypto opportunityWhile investors chase Bitcoin toward $100K, D.C. insiders are quietly loading up on something else. One of Tru...Weiss Ratings | Sponsored[No Brainer Gold Play]: “Show me a better investment.”A Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...Golden Portfolio | SponsoredToo busy to trade? Good.Too busy to trade? That might be your edge. This after-hours strategy is built for people who don’t sit at ...Timothy Sykes | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Zix Co. Please log in to your account or sign up in order to add this asset to your watchlist. Share ZIX With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.