Natural Alternatives International (NAII) Short Interest Ratio & Short Volume $2.74 0.00 (-0.18%) As of 04/17/2025 04:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Natural Alternatives International Short Interest DataNatural Alternatives International (NAII) has a short interest of 3,700 shares, representing 0.08% of the float (the number of shares available for trading by the public). This marks a -17.78% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 7,697 shares to cover all short positions.Current Short Interest3,700 sharesPrevious Short Interest4,500 sharesChange Vs. Previous Month-17.78%Dollar Volume Sold Short$12,728.00Short Interest Ratio0.5 Days to CoverLast Record DateMarch 31, 2025Outstanding Shares6,199,000 sharesFloat Size4,880,000 sharesShort Percent of Float0.08%Today's Trading Volume22,262 sharesAverage Trading Volume7,697 sharesToday's Volume Vs. Average289% Short Selling Natural Alternatives International? Sign up to receive the latest short interest report for Natural Alternatives International and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNAII Short Interest Over TimeNAII Days to Cover Over TimeNAII Percentage of Float Shorted Over Time Natural Alternatives International Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 3/31/20253,700 shares $12,728.00 -17.8%0.1%0.5 $3.44 3/15/20254,500 shares $15,750.00 +73.1%0.1%0.7 $3.50 2/28/20252,600 shares $10,660.00 -25.7%0.1%0.4 $4.10 2/15/20253,500 shares $14,525.00 -5.4%0.1%0.5 $4.15 1/31/20253,700 shares $15,873.00 +5.7%0.1%0.5 $4.29 1/15/20253,500 shares $14,875.00 -23.9%0.1%0.4 $4.25 12/31/20244,600 shares $19,826.00 -6.1%0.1%0.5 $4.31 12/15/20244,900 shares $21,070.00 -50.5%0.1%0.4 $4.30 11/30/20249,900 shares $46,431.00 +2.1%0.2%0.9 $4.69 11/15/20249,700 shares $43,941.00 +18.3%0.2%0.9 $4.53 Get the Latest News and Ratings for NAII and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Natural Alternatives International and its competitors with MarketBeat's FREE daily newsletter. 10/31/20248,200 shares $37,474.00 +78.3%0.2%0.7 $4.57 10/15/20244,600 shares $20,332.00 -70.9%0.1%0.5 $4.42 9/30/202415,800 shares $90,534.00 -12.7%0.3%1.8 $5.73 9/15/202418,100 shares $112,401.00 +402.8%0.4%3.1 $6.21 8/31/20243,600 shares $19,548.00 -7.7%0.1%0.6 $5.43 8/15/20243,900 shares $21,255.00 -31.6%0.1%0.9 $5.45 7/31/20245,700 shares $32,661.00 +39.0%0.1%1.5 $5.73 7/15/20244,100 shares $23,083.00 -6.8%0.1%1.1 $5.63 6/30/20244,400 shares $26,488.00 +4.8%0.1%1.1 $6.02 6/15/20244,200 shares $27,636.00 -4.6%0.1%1 $6.58 5/31/20244,400 shares $28,380.00 -26.7%0.1%0.9 $6.45 5/15/20246,000 shares $40,740.00 -25.9%0.1%1.2 $6.79 4/30/20248,100 shares $50,625.00 -30.2%0.2%1.7 $6.25 4/15/202411,600 shares $76,444.00 -17.1%0.2%2.1 $6.59 3/31/202414,000 shares $85,260.00 -5.4%0.3%2.5 $6.09 3/15/202414,800 shares $83,768.00 +41.0%0.3%2.8 $5.66 2/29/202410,500 shares $63,420.00 -16.7%0.2%2.1 $6.04 2/15/202412,600 shares $76,998.60 -12.5%0.3%2.4 $6.11 1/31/202414,400 shares $89,424.00 +28.6%0.3%2.8 $6.21 1/15/202411,200 shares $71,568.00 -1.8%0.2%1.8 $6.39 12/31/202311,400 shares $74,442.00 -9.5%0.2%1.7 $6.53 12/15/202312,600 shares $82,908.00 +1.6%0.3%1.7 $6.58 11/30/202312,400 shares $72,168.00 -10.1%0.3%1.5 $5.82 11/15/202313,800 shares $83,214.00 -15.3%0.3%1.8 $6.03 10/31/202316,300 shares $98,615.00 +66.3%0.3%1.6 $6.05 10/15/20239,800 shares $62,230.00 -7.6%0.2%0.9 $6.35 9/30/202310,600 shares $68,794.00 -37.3%0.2%1.1 $6.49 9/15/202316,900 shares $112,385.00 +141.4%0.4%1.7 $6.65 8/31/20237,000 shares $43,400.00 +27.3%0.2%0.8 $6.20 8/15/20235,500 shares $38,115.00 +3.8%0.1%0.6 $6.93Trump’s Secret Weapon (Ad)Have you looked at the stock market recently? Millions of investors are scrambling trying to figure out what's coming next. But here's the truth… This is just the beginning. Trump has made it clear his tariffs are coming, and that the market will get worse before it gets better. Luckily, our FREE Presidential Transition Guide details exactly what will happen in the next 100 days, and how to protect your hard-earned savings during these times. Don't wait for the next crash to wipe you out. Act now.Get Your FREE Presidential Transition Guide Today 7/31/20235,300 shares $38,160.00 No Change0.1%0.7 $7.20 7/15/20235,300 shares $37,259.00 +1.9%0.1%0.8 $7.03 6/30/20235,200 shares $37,440.00 -21.2%0.1%0.9 $7.20 6/15/20236,600 shares $49,962.00 -15.4%0.1%1.3 $7.57 5/31/20237,800 shares $58,188.00 +11.4%0.2%1.3 $7.46 5/15/20237,000 shares $53,200.00 -30.7%0.2%1 $7.60 4/30/202310,100 shares $89,991.00 +21.7%0.2%1.2 $8.91 4/15/20238,300 shares $72,625.00 -9.8%0.2%1.1 $8.75 3/31/20239,200 shares $84,824.00 -34.8%0.2%1.1 $9.22 3/15/202314,100 shares $124,785.00 +53.3%0.3%1.5 $8.85 2/28/20239,200 shares $83,720.00 +9.5%0.2%1 $9.10 2/15/20238,400 shares $72,660.00 -1.2%0.2%0.9 $8.65 1/31/20238,500 shares $75,650.00 -18.3%0.2%0.9 $8.90 1/15/202310,400 shares $101,400.00 +5.1%0.2%1.3 $9.75 12/30/20229,900 shares $83,061.00 -2.0%0.2%1.2 $8.39 12/15/202210,100 shares $80,295.00 No Change0.2%1.2 $7.95 11/30/202210,100 shares $74,235.00 +2.0%0.2%1.2 $7.35 11/15/20229,900 shares $80,883.00 -10.0%0.2%1.3 $8.17 10/31/202211,000 shares $98,120.00 -6.0%0.2%1.4 $8.92 10/15/202211,700 shares $108,342.00 -19.9%0.3%1.5 $9.26 9/30/202214,600 shares $135,342.00 -3.3%0.3%1.9 $9.27 9/15/202215,100 shares $174,858.00 +0.7%0.3%2.1 $11.58 8/31/202215,000 shares $172,500.00 +2.0%0.3%2.5 $11.50 8/15/202214,700 shares $153,615.00 +9.7%0.3%2.5 $10.45 7/31/202213,400 shares $135,500.80 -2.9%0.3%1.9 $10.11 7/15/202213,800 shares $135,516.00 -6.8%0.3%1.4 $9.82 6/30/202214,800 shares $154,512.00 -8.6%0.3%1.1 $10.44 6/15/202216,200 shares $165,726.00 +1.9%0.4%1.2 $10.23 5/31/202215,900 shares $166,950.00 -37.9%0.3%1.2 $10.50 5/15/202225,600 shares $268,288.00 +84.2%0.6%1.7 $10.48 4/30/202213,900 shares $136,081.00 +73.8%0.3%0.8 $9.79 4/15/20228,000 shares $80,400.00 +8.1%0.2%0.5 $10.05 3/31/20227,400 shares $85,248.00 -20.4%0.2%0.5 $11.52 3/15/20229,300 shares $99,324.00 +5.7%0.2%0.5 $10.68 2/28/20228,800 shares $97,328.00 +7.3%0.2%0.4 $11.06 2/15/20228,200 shares $100,368.00 -3.5%0.2%0.4 $12.24 1/31/20228,500 shares $111,307.50 -19.1%0.2%0.4 $13.10 1/15/202210,500 shares $140,280.00 -30.0%0.2%0.5 $13.36 12/31/202115,000 shares $189,750.00 +72.4%0.3%0.7 $12.65 12/15/20218,700 shares $110,490.00 +10.1%0.2%0.4 $12.70 11/30/20217,900 shares $102,147.00 -58.0%0.2%0.3 $12.93 11/15/202118,800 shares $270,344.00 +118.6%0.4%0.6 $14.38 10/29/20218,600 shares $108,360.00 -45.2%0.2%0.3 $12.60 10/15/202115,700 shares $212,107.00 -29.9%0.3%0.4 $13.51 9/30/202122,400 shares $302,400.00 +103.6%0.5%0.6 $13.50 9/15/202111,000 shares $179,740.00 +26.4%0.2%0.3 $16.34 8/31/20218,700 shares $136,938.00 -15.5%0.2%0.2 $15.74 8/13/202110,300 shares $194,155.00 -28.0%0.2%0.3 $18.85 7/30/202114,300 shares $253,253.00 -11.2%0.3%0.5 $17.71 7/15/202116,100 shares $288,351.00 +312.8%0.4%0.6 $17.91Trump’s Secret Weapon (Ad)Have you looked at the stock market recently? Millions of investors are scrambling trying to figure out what's coming next. But here's the truth… This is just the beginning. Trump has made it clear his tariffs are coming, and that the market will get worse before it gets better. Luckily, our FREE Presidential Transition Guide details exactly what will happen in the next 100 days, and how to protect your hard-earned savings during these times. Don't wait for the next crash to wipe you out. Act now.Get Your FREE Presidential Transition Guide Today 6/30/20213,900 shares $65,637.00 -11.4%0.1%0.1 $16.83 6/15/20214,400 shares $60,940.00 +12.8%0.1%0.2 $13.85 5/28/20213,900 shares $53,781.00 -20.4%0.1%0.1 $13.79 5/14/20214,900 shares $71,540.00 +157.9%0.1%0.2 $14.60 4/30/20211,900 shares $30,229.00 -57.8%0.0%0.1 $15.91 4/15/20214,500 shares $76,365.00 -35.7%0.1%0.1 $16.97 3/31/20217,000 shares $108,150.00 +59.1%0.2%0.2 $15.45 3/15/20214,400 shares $73,964.00 -26.7%0.1%0.1 $16.81 2/26/20216,000 shares $99,960.00 +9.1%0.1%0.2 $16.66 2/12/20215,500 shares $97,130.00 +52.8%0.1%0.2 $17.66 1/29/20213,600 shares $51,660.00 -28.0%0.1%0.1 $14.35 1/15/20215,000 shares $64,000.00 -41.2%0.1%0.2 $12.80 12/31/20208,500 shares $89,887.50 +84.8%0.2%0.4 $10.58 12/15/20204,600 shares $45,540.00 -43.2%0.1%0.3 $9.90 11/30/20208,100 shares $81,891.00 No Change0.2%0.5 $10.11 11/15/20208,100 shares $83,835.00 +179.3%0.2%0.5 $10.35 10/30/20202,900 shares $22,562.00 -45.3%0.1%0.3 $7.78 10/15/20205,300 shares $41,870.00 +51.4%0.1%0.4 $7.90 9/30/20203,500 shares $26,425.00 -32.7%0.1%0.3 $7.55 9/15/20205,200 shares $35,204.00 -35.0%0.1%0.4 $6.77 8/31/20208,000 shares $64,000.00 +70.2%0.1%0.6 $8.00 8/14/20204,700 shares $33,182.00 +30.6%0.1%0.4 $7.06 7/31/20203,600 shares $24,660.00 +63.6%0.1%0.3 $6.85 7/15/20202,200 shares $15,224.00 -38.9%0.0%0.4 $6.92 6/30/20203,600 shares $26,208.00 +71.4%0.1%0.6 $7.28 6/15/20202,100 shares $13,629.00 +61.5%0.0%0.3 $6.49 5/29/20201,300 shares $9,451.00 -7.1%0.0%0.2 $7.27 5/15/20201,400 shares $8,274.00 -12.5%0.0%0.2 $5.91 4/30/20201,600 shares $11,040.00 -59.0%0.0%0.2 $6.90 NAII Short Interest - Frequently Asked Questions What is Natural Alternatives International's current short interest? Short interest is the volume of Natural Alternatives International shares that have been sold short but have not yet been closed out or covered. As of March 31st, traders have sold 3,700 shares of NAII short. 0.08% of Natural Alternatives International's shares are currently sold short. Learn More on Natural Alternatives International's current short interest. What is a good short interest percentage for Natural Alternatives International? 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. 0.08% of Natural Alternatives International's floating shares are currently sold short. Is Natural Alternatives International's short interest increasing or decreasing? Natural Alternatives International saw a decrease in short interest during the month of March. As of March 31st, there was short interest totaling 3,700 shares, a decrease of 17.8% from the previous total of 4,500 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 Natural Alternatives International's float size? Natural Alternatives International currently has issued a total of 6,199,000 shares. Some of Natural Alternatives International'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. Natural Alternatives International currently has a public float of 4,880,000 shares. How does Natural Alternatives International's short interest compare to its competitors? 0.08% of Natural Alternatives International's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Natural Alternatives International: Caribou Biosciences, Inc. (12.24%), Exicure, Inc. (1.37%), ESSA Pharma Inc. (1.69%), Unicycive Therapeutics, Inc. (1.72%), Sagimet Biosciences Inc. (17.02%), Adagene Inc. (0.19%), Adverum Biotechnologies, Inc. (11.63%), IGM Biosciences, Inc. (6.00%), Lexeo Therapeutics, Inc. (10.31%), Corbus Pharmaceuticals Holdings, Inc. (23.41%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.93 billion), iShares 20+ Year Treasury Bond ETF ($9.31 billion), Strategy Incorporated ($8.42 billion), Charter Communications, Inc. ($4.52 billion), Apollo Global Management, Inc. ($4.26 billion), Super Micro Computer, Inc. ($3.98 billion), Capital One Financial Co. ($3.79 billion), TC Energy Co. ($3.43 billion), AppLovin Co. ($2.91 billion), and Schlumberger Limited ($2.89 billion). View all of the most shorted stocks. What does it mean to sell short Natural Alternatives International stock? Short selling NAII is an investing strategy that aims to generate trading profit from Natural Alternatives International as its price is falling. NAII shares are trading down $0.06 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 Natural Alternatives International? A short squeeze for Natural Alternatives International 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 NAII, which in turn drives the price of the stock up even further. How often is Natural Alternatives International'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 NAII, twice per month. The most recent reporting period available is March, 31 2025. More Short Interest Resources from MarketBeat Related Companies CRBU Short Interest XCUR Short Interest EPIX Short Interest UNCY Short Interest SGMT Short Interest ADAG Short Interest ADVM Short Interest IGMS Short Interest LXEO Short Interest CRBP Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:NAII) was last updated on 4/20/2025 by MarketBeat.com Staff From Our PartnersTrump to redistribute trillions of dollars Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | SponsoredMy prediction is coming trueWe've developed a surprisingly effective way to see which stocks could double during massive shake-ups, by usi...InvestorPlace | SponsoredMusk’s AI Masterplan – Our #1 AI Stock to Buy NowDid Elon Musk just set the stage for the next AI stock explosion? 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The stock market’s a mess....Crypto Swap Profits | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Natural Alternatives International, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Natural Alternatives International 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. 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