Alpha Pro Tech (APT) Short Interest Ratio & Short Volume $4.71 +0.01 (+0.21%) Closing price 03:59 PM EasternExtended Trading$4.78 +0.07 (+1.40%) As of 07:39 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Alpha Pro Tech Short Interest DataAlpha Pro Tech (APT) has a short interest of 37,600 shares, representing 0.41% of the float (the number of shares available for trading by the public). This marks a -6.93% 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 27,160 shares to cover all short positions.Current Short Interest37,600 sharesPrevious Short Interest40,400 sharesChange Vs. Previous Month-6.93%Dollar Volume Sold Short$178.22 thousandShort Interest Ratio1.5 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares10,864,000 sharesFloat Size9,140,000 sharesShort Percent of Float0.41%Today's Trading Volume32,638 sharesAverage Trading Volume27,160 sharesToday's Volume Vs. Average120% Short Selling Alpha Pro Tech? Sign up to receive the latest short interest report for Alpha Pro Tech and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAPT Short Interest Over TimeAPT Days to Cover Over TimeAPT Percentage of Float Shorted Over Time Alpha Pro Tech Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/202537,600 shares $178.22 thousand -6.9%0.4%1.5 $4.74 6/30/202540,400 shares $189.48 thousand -1.7%0.4%1.6 $4.69 6/15/202541,100 shares $187.83 thousand +2.2%0.5%1.4 $4.57 5/31/202540,200 shares $189.74 thousand -0.5%0.4%1.3 $4.72 5/15/202540,400 shares $181.80 thousand -24.3%0.4%1.5 $4.50 4/30/202553,400 shares $233.89 thousand +39.1%0.6%2.1 $4.38 4/15/202538,400 shares $164.74 thousand +42.2%0.4%1.4 $4.29 3/14/202526,300 shares $135.45 thousand -25.5%0.3%0.8 $5.15 2/28/202535,300 shares $190.62 thousand -33.3%0.4%1.1 $5.40 2/14/202552,900 shares $283.54 thousand +14.5%0.6%1.5 $5.36 Get the Latest News and Ratings for APT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alpha Pro Tech and its competitors with MarketBeat's FREE daily newsletter. 1/31/202546,200 shares $247.17 thousand -12.0%0.5%1.5 $5.35 1/15/202552,500 shares $294 thousand +37.8%0.6%1.6 $5.60 5/15/2023167,700 shares $0.00 -3.0%1.7%6.6 $0.00 4/30/2023172,800 shares $0.00 +8.8%1.7%7.1 $0.00 4/15/2023158,900 shares $0.00 +2.2%1.6%5.7 $0.00 3/31/2023155,500 shares $0.00 +5.4%1.6%5 $0.00 3/15/2023147,600 shares $581.54 thousand +9.6%1.5%3.7 $3.94 2/28/2023134,700 shares $0.00 +5.4%1.3%3.3 $0.00 2/15/2023127,800 shares $0.00 +6.7%1.1%2.6 $0.00 1/31/2023119,800 shares $0.00 +4.4%1.0%2 $0.00 1/15/2023114,800 shares $0.00 -7.2%1.0%2 $0.00 12/30/2022123,700 shares $0.00 +2.0%1.2%2.2 $0.00 12/15/2022121,300 shares $0.00 +4.7%1.2%2.4 $0.00 11/30/2022115,900 shares $0.00 -17.9%1.1%2.3 $0.00 11/15/2022141,200 shares $0.00 +1.3%1.4%2.7 $0.00 10/31/2022139,400 shares $0.00 -38.2%1.3%3.3 $0.00 10/15/2022225,600 shares $0.00 -7.5%2.1%4.3 $0.00 9/30/2022244,000 shares $0.00 -5.4%2.3%4.1 $0.00 9/15/2022257,900 shares $0.00 -10.8%2.4%4.1 $0.00 8/31/2022289,200 shares $0.00 +77.6%2.7%4.2 $0.00 8/15/2022162,800 shares $0.00 -56.2%1.5%2 $0.00 7/31/2022371,800 shares $0.00 -3.5%3.4%3.7 $0.00 7/15/2022385,200 shares $0.00 -4.4%3.6%3.9 $0.00 6/30/2022402,800 shares $0.00 -1.0%3.7%3.8 $0.00 6/15/2022406,900 shares $0.00 -7.5%3.8%3.8 $0.00 5/31/2022440,000 shares $0.00 -9.5%4.1%3.5 $0.00 5/15/2022485,900 shares $0.00 +1.2%4.5%3.4 $0.00 4/30/2022480,100 shares $0.00 -16.8%4.4%3.7 $0.00 4/15/2022577,100 shares $0.00 +6.1%5.2%3.5 $0.00 3/31/2022544,100 shares $0.00 +14.6%4.9%2.4 $0.00Musk’s Project Colossus could mint millionaires (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the September 1st funding windo 3/15/2022474,600 shares $0.00 -21.9%4.0%0.8 $0.00 2/28/2022608,000 shares $0.00 +5.0%5.1%0.9 $0.00 2/15/2022579,100 shares $0.00 -30.3%4.9%0.6 $0.00 1/31/2022830,300 shares $0.00 -17.8%7.0%0.8 $0.00 1/15/20221,010,000 shares $0.00 -26.8%8.5%1 $0.00 12/31/20211,380,000 shares $0.00 +36.6%11.6%1.3 $0.00 12/15/20211,010,000 shares $0.00 -41.3%8.5%1.3 $0.00 11/30/20211,720,000 shares $0.00 +82.2%14.5%2.4 $0.00 11/15/2021943,800 shares $0.00 -20.0%7.9%2.3 $0.00 10/29/20211,180,000 shares $0.00 -5.6%9.9%2.1 $0.00 10/15/20211,250,000 shares $0.00 -5.3%10.5%0.9 $0.00 9/30/20211,320,000 shares $0.00 -18.0%11.1%0.7 $0.00 9/15/20211,610,000 shares $0.00 +6.6%14.4%0.8 $0.00 8/31/20211,510,000 shares $0.00 -16.1%13.5%0.8 $0.00 8/13/20211,800,000 shares $0.00 -17.8%16.1%1 $0.00 7/30/20212,190,000 shares $0.00 +95.5%19.6%1.3 $0.00 7/15/20211,120,000 shares $0.00 -11.8%9.9%1.3 $0.00 6/30/20211,270,000 shares $0.00 -27.4%11.3%3.7 $0.00 6/15/20211,750,000 shares $0.00 -3.3%15.5%5.7 $0.00 5/28/20211,810,000 shares $0.00 -8.1%16.1%4.7 $0.00 5/14/20211,970,000 shares $0.00 +4.8%17.4%3.9 $0.00 4/30/20211,880,000 shares $0.00 +2.7%16.3%2.9 $0.00 4/15/20211,830,000 shares $15.65 million -1.1%15.8%2.1 $8.55 3/31/20211,850,000 shares $19.24 million -18.5%16.0%1.9 $10.40 3/15/20212,270,000 shares $21.18 million +40.1%19.7%2.1 $9.33 2/26/20211,620,000 shares $16.33 million -35.5%14.1%1.4 $10.08 2/12/20212,510,000 shares $26.86 million -15.5%21.8%2.2 $10.70 1/29/20212,970,000 shares $45.71 million +7.2%25.8%2.3 $15.39 1/15/20212,770,000 shares $54.13 million -5.5%24.0%2.1 $19.54 12/31/20202,930,000 shares $33.08 million -9.0%25.4%2.5 $11.29 12/15/20203,220,000 shares $39.03 million -9.3%27.9%2.7 $12.12 11/30/20203,550,000 shares $42.53 million -5.1%30.7%2.8 $11.98 11/15/20203,740,000 shares $50.15 million +6.9%32.4%2.9 $13.41 10/30/20203,500,000 shares $53.59 million +21.1%30.3%2.9 $15.31 10/15/20202,890,000 shares $41.91 million +8.2%25.0%2.1 $14.50 9/30/20202,670,000 shares $39.46 million +1.9%23.1%1.4 $14.78 9/15/20202,620,000 shares $37.91 million -10.0%22.7%1 $14.47 8/31/20202,910,000 shares $40.83 million -25.2%25.2%0.9 $14.03 8/14/20203,890,000 shares $52.87 million -18.6%33.7%1.2 $13.59 APT Short Interest - Frequently Asked Questions What is Alpha Pro Tech's current short interest? Short interest is the volume of Alpha Pro Tech shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 37,600 shares of APT short. 0.41% of Alpha Pro Tech's shares are currently sold short. Learn More on Alpha Pro Tech's current short interest. What is a good short interest ratio for Alpha Pro Tech? 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. APT shares currently have a short interest ratio of 2.0. Learn More on Alpha Pro Tech's short interest ratio. Which institutional investors are shorting Alpha Pro Tech? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Alpha Pro Tech: Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Alpha Pro Tech? 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. 0.41% of Alpha Pro Tech's floating shares are currently sold short. Is Alpha Pro Tech's short interest increasing or decreasing? Alpha Pro Tech saw a drop in short interest in July. As of July 15th, there was short interest totaling 37,600 shares, a drop of 6.9% from the previous total of 40,400 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 Alpha Pro Tech's float size? Alpha Pro Tech currently has issued a total of 10,864,000 shares. Some of Alpha Pro Tech'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. Alpha Pro Tech currently has a public float of 9,140,000 shares. How does Alpha Pro Tech's short interest compare to its competitors? 0.41% of Alpha Pro Tech's shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Alpha Pro Tech: CVRx, Inc. (11.55%), The Beauty Health Company (16.85%), Monogram Orthopaedics Inc. (2.40%), Sight Sciences, Inc. (4.11%), Inogen, Inc (3.67%), Profound Medical (2.04%), KORU Medical Systems, Inc. (3.10%), TriSalus Life Sciences, Inc. (3.81%), Electromed, Inc. (4.10%), Pro-Dex, Inc. (11.41%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Alpha Pro Tech stock? Short selling APT is an investing strategy that aims to generate trading profit from Alpha Pro Tech as its price is falling. APT 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 Alpha Pro Tech? A short squeeze for Alpha Pro Tech 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 APT, which in turn drives the price of the stock up even further. How often is Alpha Pro Tech'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 APT, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies CVRx Short Interest Data Beauty Health Short Interest Data Monogram Orthopaedics Short Interest Data Sight Sciences Short Interest Data Inogen Short Interest Data Profound Medical Short Interest Data KORU Medical Systems Short Interest Data TriSalus Life Sciences Short Interest Data Electromed Short Interest Data Pro-Dex 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 (NYSE:APT) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersAmazon’s big Bitcoin embarrassmentBitcoin just passed Amazon in total market cap — but most investors are missing the bigger opportunity. 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