Napco Security Technologies (NSSC) Short Interest Ratio & Short Volume $27.41 +1.04 (+3.94%) Closing price 05/12/2025 04:00 PM EasternExtended Trading$27.13 -0.28 (-1.02%) As of 04:44 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Napco Security Technologies Short Interest DataNapco Security Technologies (NSSC) has a short interest of 3.57 million shares, representing 10.35% of the float (the number of shares available for trading by the public). This marks a 9.51% increase in short interest from the previous month. The short interest ratio (days to cover) is 6.0, indicating that it would take 6.0 days of the average trading volume of 505,612 shares to cover all short positions.Current Short Interest3,570,000 sharesPrevious Short Interest3,260,000 sharesChange Vs. Previous Month+9.51%Dollar Volume Sold Short$77.25 millionShort Interest Ratio6.0 Days to CoverLast Record DateApril 15, 2025Outstanding Shares35,656,000 sharesShort Percent of Float10.35%Today's Trading Volume386,615 sharesAverage Trading Volume505,612 sharesToday's Volume Vs. Average76% Short Selling Napco Security Technologies? Sign up to receive the latest short interest report for Napco Security Technologies and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNSSC Short Interest Over TimeNSSC Days to Cover Over TimeNSSC Percentage of Float Shorted Over Time Napco Security Technologies Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/20253,570,000 shares $77.25 million +9.5%10.3%6 $21.64 3/31/20253,260,000 shares $75.05 million +6.9%9.5%5.6 $23.02 3/15/20253,050,000 shares $76.83 million +32.0%8.8%5.7 $25.19 2/28/20252,310,000 shares $56.73 million +6.0%6.7%4.5 $24.56 2/15/20252,180,000 shares $55.92 million -21.9%6.3%4.5 $25.65 1/31/20252,790,000 shares $102.39 million -7.3%N/A5.9 $36.70 1/15/20253,010,000 shares $104.12 million -1.3%N/A8.1 $34.59 12/31/20243,050,000 shares $108.46 million -8.7%N/A8.1 $35.56 12/15/20243,340,000 shares $123.58 million +10.2%N/A8.4 $37.00 11/30/20243,030,000 shares $118.87 million -0.3%N/A6.8 $39.23 Get the Latest News and Ratings for NSSC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Napco Security Technologies and its competitors with MarketBeat's FREE daily newsletter. 11/15/20243,040,000 shares $109.32 million -12.6%N/A4.6 $35.96 10/31/20243,480,000 shares $133.91 million +5.1%N/A5.2 $38.48 10/15/20243,310,000 shares $137.99 million +6.4%N/A5.5 $41.69 9/30/20243,110,000 shares $125.83 million -1.9%N/A5 $40.46 9/15/20243,170,000 shares $121.82 million -26.6%N/A5.2 $38.43 8/31/20244,320,000 shares $200.36 million +26.3%N/A7.7 $46.38 8/15/20243,420,000 shares $193.54 million -2.6%N/A9 $56.59 7/31/20243,510,000 shares $195.89 million -4.9%N/A8.9 $55.81 7/15/20243,690,000 shares $209.04 million -3.2%N/A8.6 $56.65 6/30/20243,810,000 shares $197.93 million -0.8%N/A9.6 $51.95 6/15/20243,840,000 shares $198.53 million -1.0%N/A9.9 $51.70 5/31/20243,880,000 shares $192.64 million +3.7%N/A9.6 $49.65 5/15/20243,740,000 shares $170.73 million +4.5%N/A8.9 $45.65 4/30/20243,580,000 shares $145.71 million +33.6%N/A8.9 $40.70 4/15/20242,680,000 shares $104.41 million No ChangeN/A7.1 $38.96 3/31/20242,680,000 shares $107.63 million +3.9%N/A7.7 $40.16 3/15/20242,580,000 shares $100.62 million -4.4%N/A7.5 $39.00 2/29/20242,700,000 shares $121.58 million +18.4%N/A7.9 $45.03 2/15/20242,280,000 shares $102.87 million -5.8%N/A7.3 $45.12 1/31/20242,420,000 shares $84.10 million +3.0%N/A6.5 $34.75 1/15/20242,350,000 shares $76.94 million -1.3%N/A6.2 $32.74 12/31/20232,380,000 shares $81.52 million -2.5%N/A6 $34.25 12/15/20232,440,000 shares $83.86 million -6.5%N/A6.1 $34.37 11/30/20232,610,000 shares $79.87 million +3.6%N/A6.4 $30.60 11/15/20232,520,000 shares $70.48 million +4.6%N/A5.4 $27.97 10/31/20232,410,000 shares $44.27 million -1.2%N/A3.2 $18.37 10/15/20232,440,000 shares $49.70 million +1.2%N/A3.6 $20.37 9/30/20232,410,000 shares $53.62 million -5.9%N/A3.5 $22.25 9/15/20232,560,000 shares $60.03 million -6.2%N/A3.6 $23.45 8/31/20232,730,000 shares $67.65 million -53.1%N/A3.8 $24.78URGENT: This Altcoin Opportunity Won’t Wait – Act Now (Ad)My friends Joel and Adam have a simple motto: "For us, it's always a bull market." 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Just precision trades that put you in control.>> See How In Their FREE Workshop 8/15/20235,820,000 shares $222.62 million +1.4%N/A8.8 $38.25 7/31/20235,740,000 shares $215.14 million -1.5%N/A15 $37.48 7/15/20235,830,000 shares $210.52 million -2.4%N/A12.8 $36.11 6/30/20235,970,000 shares $206.86 million +2.2%N/A13 $34.65 6/15/20235,840,000 shares $222.68 million +1.4%N/A12 $38.13 5/31/20235,760,000 shares $214.21 million +0.9%N/A11.2 $37.19 5/15/20235,710,000 shares $197.57 million +21.2%N/A11.3 $34.60 4/30/20234,710,000 shares $146.01 million +12.1%N/A9 $31.00 4/15/20234,200,000 shares $140.28 million +18.6%N/A9.8 $33.40 3/31/20233,540,000 shares $133.03 million +28.7%N/A8.6 $37.58 3/15/20232,750,000 shares $89.02 million -5.8%N/A8 $32.37 2/28/20232,920,000 shares $92.27 million +3.2%N/A10.6 $31.60 2/15/20232,830,000 shares $92.77 million -4.4%N/A11.3 $32.78 1/31/20232,960,000 shares $85.75 million +2.1%N/A12.5 $28.97 1/15/20232,900,000 shares $85.41 million +1.4%N/A14.1 $29.45 12/30/20222,860,000 shares $78.59 million +8.8%N/A13.4 $27.48 12/15/20222,630,000 shares $70.04 million +5.6%N/A11.9 $26.63 11/30/20222,490,000 shares $65.69 million +7.8%N/A11 $26.38 11/15/20222,310,000 shares $65.07 million -1.7%N/A9.4 $28.17 10/31/20222,350,000 shares $66.79 million +0.4%N/A10.4 $28.42 10/15/20222,340,000 shares $63.25 million No ChangeN/A11.7 $27.03 9/30/20222,340,000 shares $68.05 million +10.9%N/A12.1 $29.08 9/15/20222,110,000 shares $63.51 million +20.6%N/A11.7 $30.10 8/31/20221,750,000 shares $51.91 million +0.6%N/A11 $29.66 8/15/20221,740,000 shares $46.25 million -4.4%N/A14 $26.58 7/31/20221,820,000 shares $46.70 million -1.1%N/A14.7 $25.66 7/15/20221,840,000 shares $44.66 million +1.1%N/A16.3 $24.27 6/30/20221,820,000 shares $37.47 million -1.6%15.8%18.6 $20.59 6/15/20221,850,000 shares $36.94 million +10.8%16.1%19.6 $19.97 5/31/20221,670,000 shares $32.75 million +9.2%N/A18.2 $19.61 5/15/20221,530,000 shares $26.35 million +2.7%N/A17 $17.22 4/30/20221,490,000 shares $26.08 million +4.2%N/A14 $17.50 4/15/20221,430,000 shares $27.47 million -2.1%N/A12 $19.21 3/31/20221,460,000 shares $29.96 million -4.0%N/A11.2 $20.52 3/15/20221,520,000 shares $30.60 million -5.0%N/A10.6 $20.13 2/28/20221,600,000 shares $32.62 million -4.8%N/A10.6 $20.39 2/15/20221,680,000 shares $33.80 million +12.8%N/A10.8 $20.12 1/31/20221,490,000 shares $30.98 million +12.9%N/A9.8 $20.79 1/15/20221,320,000 shares $28.99 million +3.9%N/A9.2 $21.96 12/31/20211,270,000 shares $63.47 million +93.2%N/A9.3 $49.98 12/15/2021657,200 shares $16.59 million -11.6%4.2%10.7 $25.24 11/30/2021743,700 shares $34.56 million -0.8%4.8%11.8 $46.47 11/15/2021749,300 shares $35.61 million -4.3%4.8%11.8 $47.53 10/29/2021783,300 shares $37.57 million -1.3%5.0%13.4 $47.96 10/15/2021793,200 shares $35.38 million -4.3%5.5%15.8 $44.60 9/30/2021828,600 shares $35.70 million +3.1%5.7%18.8 $43.08 9/15/2021804,000 shares $32.81 million -14.2%5.5%18 $40.81 8/31/2021937,500 shares $36.68 million -4.1%6.5%22.6 $39.13 8/13/2021978,000 shares $34.96 million +0.4%6.8%22.4 $35.75 7/30/2021974,200 shares $34.44 million -1.3%6.7%20.3 $35.35URGENT: This Altcoin Opportunity Won’t Wait – Act Now (Ad)My friends Joel and Adam have a simple motto: "For us, it's always a bull market." 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Just precision trades that put you in control.>> See How In Their FREE Workshop 7/15/2021987,400 shares $33.12 million -6.9%6.8%19 $33.54 6/30/20211,060,000 shares $38.55 million +5.0%7.3%19.5 $36.37 6/15/20211,010,000 shares $34.79 million -4.7%7.0%16.6 $34.45 5/28/20211,060,000 shares $34.49 million -3.6%7.3%15.6 $32.54 5/14/20211,100,000 shares $35.54 million -4.4%7.6%15.2 $32.31 4/30/20211,150,000 shares $39.20 million -2.5%8.0%13.7 $34.09 4/15/20211,180,000 shares $39.59 million +5.4%8.2%13.2 $33.55 3/31/20211,120,000 shares $38.40 million +13.8%7.8%11.8 $34.29 3/15/2021983,900 shares $33.64 million +12.8%6.8%10.2 $34.19 2/26/2021872,500 shares $27.55 million +23.3%6.1%7 $31.58 2/12/2021707,400 shares $21.99 million +1.3%4.9%5.9 $31.08 1/29/2021698,400 shares $18.52 million -3.1%4.9%6.1 $26.52 1/15/2021720,600 shares $20.35 million +3.9%5.0%6.6 $28.24 12/31/2020693,600 shares $18.25 million -10.2%4.8%6.7 $26.31 12/15/2020772,400 shares $20.09 million -15.5%5.5%7.2 $26.01 11/30/2020913,600 shares $27.32 million +5.1%7.8%13 $29.90 11/15/2020869,000 shares $24.81 million +3.0%7.4%11.3 $28.55 10/30/2020844,100 shares $20.50 million -1.6%7.2%11.5 $24.29 10/15/2020857,600 shares $21.44 million +2.4%7.3%11.7 $25.00 9/30/2020837,600 shares $19.68 million +8.1%7.2%11 $23.50 9/15/2020775,100 shares $17.52 million +9.1%6.6%10.7 $22.60 8/31/2020710,500 shares $17.70 million -5.4%6.1%9.9 $24.91 8/14/2020751,300 shares $18.87 million -4.6%6.4%10.8 $25.11 7/31/2020787,600 shares $20.78 million -6.1%6.8%10.7 $26.38 7/15/2020838,600 shares $20.39 million -3.6%7.2%10 $24.31 6/30/2020869,500 shares $20.34 million +3.4%7.5%9.4 $23.39 6/15/2020841,300 shares $19.91 million -2.1%7.2%8.1 $23.66 5/29/2020859,700 shares $19.40 million -8.9%7.4%7.3 $22.57 5/15/2020943,300 shares $20.75 million +7.2%8.1%7.5 $22.00 NSSC Short Interest - Frequently Asked Questions What is Napco Security Technologies' current short interest? Short interest is the volume of Napco Security Technologies shares that have been sold short but have not yet been covered or closed out. As of April 15th, traders have sold 3,570,000 shares of NSSC short. 10.35% of Napco Security Technologies' shares are currently sold short. Learn More on Napco Security Technologies' current short interest. What is a good short interest ratio for Napco Security Technologies? 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. NSSC shares currently have a short interest ratio of 6.0. Learn More on Napco Security Technologies's short interest ratio. Which institutional investors are shorting Napco Security Technologies? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Napco Security Technologies: Simplex Trading LLC, Group One Trading LLC, Citadel Advisors LLC, Susquehanna International Group LLP, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Napco Security Technologies? 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. 10.35% of Napco Security Technologies' floating shares are currently sold short. Is Napco Security Technologies' short interest increasing or decreasing? Napco Security Technologies saw a increase in short interest during the month of April. As of April 15th, there was short interest totaling 3,570,000 shares, an increase of 9.5% from the previous total of 3,260,000 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. How does Napco Security Technologies' short interest compare to its competitors? 10.35% of Napco Security Technologies' shares are currently sold short. Here is how the short interest of companies in the industry of "electronic equipment" compare to Napco Security Technologies: Impinj, Inc. (23.24%), LG Display Co., Ltd. (0.01%), Viavi Solutions Inc. (2.68%), Silicon Motion Technology Co. (2.65%), Kulicke and Soffa Industries, Inc. (4.83%), Intuitive Machines, Inc. (17.22%), NextNav Inc. (14.94%), Himax Technologies, Inc. (3.92%), CommScope Holding Company, Inc. (6.65%), SolarEdge Technologies, Inc. (31.34%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short Napco Security Technologies stock? Short selling NSSC is an investing strategy that aims to generate trading profit from Napco Security Technologies as its price is falling. NSSC shares are trading up $1.04 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 Napco Security Technologies? A short squeeze for Napco Security Technologies 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 NSSC, which in turn drives the price of the stock up even further. How often is Napco Security Technologies' 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 NSSC, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies PI Short Interest Data LPL Short Interest Data VIAV Short Interest Data SIMO Short Interest Data KLIC Short Interest Data LUNR Short Interest Data NN Short Interest Data HIMX Short Interest Data COMM Short Interest Data SEDG 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 (NASDAQ:NSSC) was last updated on 5/13/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? 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