Applied Optoelectronics (AAOI) Short Interest Ratio & Short Volume $31.40 +1.42 (+4.74%) Closing price 04:00 PM EasternExtended Trading$31.50 +0.10 (+0.32%) As of 07:59 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Applied Optoelectronics Short Interest DataApplied Optoelectronics (AAOI) has a short interest of 13.52 million shares. This marks a 10.82% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.7, indicating that it would take 2.7 days of the average trading volume of 5.04 million shares to cover all short positions.Current Short Interest13,520,000 sharesPrevious Short Interest12,200,000 sharesChange Vs. Previous Month+10.82%Dollar Volume Sold Short$350.57 millionShort Interest Ratio2.7 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares62,370,000 sharesPercentage of Shares Shorted21.68%Today's Trading Volume3,940,738 sharesAverage Trading Volume5,038,887 sharesToday's Volume Vs. Average78% Short Selling Applied Optoelectronics? Sign up to receive the latest short interest report for Applied Optoelectronics and its competitors with MarketBeat's FREE newsletter. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAAOI Short Interest Over TimeAAOI Days to Cover Over TimeAAOI Percentage of Float Shorted Over Time Applied Optoelectronics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/202513,520,000 shares $350.57 million +10.8%N/A2.7 $25.93 9/15/202512,200,000 shares $360.63 million -5.9%N/A2.4 $29.56 8/31/202512,970,000 shares $313.87 million +8.6%21.8%2.4 $24.20 8/15/202511,940,000 shares $266.98 million +0.9%N/A2.3 $22.36 7/31/202511,830,000 shares $270.55 million +0.1%19.9%2.4 $22.87 7/15/202511,820,000 shares $345.62 million -5.0%N/A2.6 $29.24 6/30/202512,440,000 shares $319.58 million +3.6%23.5%2.7 $25.69 6/15/202512,010,000 shares $185.79 million +10.0%22.6%2.8 $15.47 5/31/202510,920,000 shares $170.90 million +3.3%24.6%2.8 $15.65 5/15/202510,570,000 shares $199.46 million -1.0%23.8%2.4 $18.87 Get the Latest News and Ratings for AAOI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Applied Optoelectronics and its competitors with MarketBeat's FREE daily newsletter. 4/30/202510,680,000 shares $136.60 million +11.4%N/A2.5 $12.79 4/15/20259,590,000 shares $109.81 million +1.1%21.6%2.3 $11.45 3/31/20259,490,000 shares $145.67 million -2.5%21.4%2.2 $15.35 3/15/20259,730,000 shares $215.13 million +1.1%21.9%2.4 $22.11 2/28/20259,620,000 shares $210.29 million +10.3%21.7%2.5 $21.86 2/15/20258,720,000 shares $225.85 million -8.7%19.7%2.4 $25.90 1/31/20259,550,000 shares $266.64 million +12.9%N/A2.5 $27.92 1/15/20258,460,000 shares $263.78 million +0.5%N/A2.3 $31.18 12/31/20248,420,000 shares $310.36 million -11.9%N/A2.3 $36.86 12/15/20249,560,000 shares $348.27 million +3.1%N/A2.6 $36.43 11/30/20249,270,000 shares $382.11 million -5.7%N/A2.7 $41.22 11/15/20249,830,000 shares $263.44 million -9.1%N/A3 $26.80 10/31/202410,810,000 shares $168.85 million -1.0%N/A3.8 $15.62 10/15/202410,920,000 shares $190.01 million -0.9%N/A4.4 $17.40 9/30/202411,020,000 shares $157.70 million -3.4%N/A4.6 $14.31 9/15/202411,410,000 shares $166.70 million +2.4%N/A4.8 $14.61 8/31/202411,140,000 shares $126.44 million +7.2%N/A5 $11.35 8/15/202410,390,000 shares $88.63 million +6.8%N/A5.2 $8.53 7/31/20249,730,000 shares $92.92 million -4.0%N/A4.6 $9.55 7/15/202410,130,000 shares $103.33 million -1.8%N/A5.1 $10.20 6/30/202410,310,000 shares $85.47 million +1.2%N/A5.5 $8.29 6/15/202410,190,000 shares $102.72 million -0.5%N/A5.8 $10.08 5/31/202410,240,000 shares $107.42 million +3.6%N/A5.6 $10.49 5/15/20249,880,000 shares $108.78 million +12.0%N/A4.1 $11.01 4/30/20248,820,000 shares $86.88 million -4.2%N/A3.3 $9.85 4/15/20249,210,000 shares $102.78 million +1.1%N/A3.3 $11.16 3/31/20249,110,000 shares $126.26 million +2.8%N/A3 $13.86 3/15/20248,860,000 shares $112.52 million -3.2%N/A2.8 $12.70 2/29/20249,150,000 shares $146.22 million +13.2%N/A2.6 $15.98 2/15/20248,080,000 shares $181.07 million +3.2%N/A2.2 $22.41 1/31/20247,830,000 shares $123.17 million -1.4%N/A2.5 $15.73 1/15/20247,940,000 shares $138.24 million -1.7%N/A2.8 $17.41 12/31/20238,080,000 shares $156.11 million -14.3%N/A3.1 $19.32 12/15/20239,430,000 shares $204.87 million +6.2%N/A3.8 $21.73 11/30/20238,880,000 shares $117.66 million +4.1%N/A3.8 $13.25 11/15/20238,530,000 shares $108.42 million +14.7%N/A4.1 $12.71 10/31/20237,440,000 shares $55.28 million +0.8%N/A3.1 $7.43 10/15/20237,380,000 shares $55.72 million +6.0%N/A2.2 $7.55 9/30/20236,960,000 shares $76.35 million +1.9%N/A1.8 $10.97 9/15/20236,830,000 shares $67.21 million +15.4%N/A1.7 $9.84 8/31/20235,920,000 shares $81.52 million -3.0%N/A1.4 $13.77 8/15/20236,100,000 shares $90.22 million +6.5%N/A1.6 $14.79 7/31/20235,730,000 shares $38.68 million -11.2%N/A1.8 $6.75 7/15/20236,450,000 shares $58.95 million +26.0%24.9%3.3 $9.14 6/30/20235,120,000 shares $30.52 million +43.8%19.8%3.8 $5.96 6/15/20233,560,000 shares $15.41 million +14.5%N/A4.7 $4.33 5/31/20233,110,000 shares $6.90 million +2.0%N/A13.3 $2.22 5/15/20233,050,000 shares $5.00 million +1.7%N/A16.9 $1.64 4/30/20233,000,000 shares $5.82 million -2.9%N/A16.2 $1.94 4/15/20233,090,000 shares $6.55 million +0.3%N/A17.7 $2.12 3/31/20233,080,000 shares $6.81 million -1.6%N/A17.2 $2.21 3/15/20233,130,000 shares $7.64 million -1.9%N/A18.8 $2.44 2/28/20233,190,000 shares $8.96 million +1.0%12.0%18.8 $2.81 2/15/20233,160,000 shares $8.94 million -2.2%12.1%18.5 $2.83 1/31/20233,230,000 shares $7.72 million -3.0%12.3%20.1 $2.39 1/15/20233,330,000 shares $8.09 million -0.3%12.7%19.2 $2.43 12/30/20223,340,000 shares $6.31 million -0.9%12.8%18 $1.89 12/15/20223,370,000 shares $7.14 million +2.1%12.9%15.5 $2.12 11/30/20223,300,000 shares $7.26 million -0.6%12.7%2.1 $2.20 11/15/20223,320,000 shares $7.80 million -4.1%12.7%2.1 $2.35 10/31/20223,460,000 shares $9.52 million No Change13.3%2.1 $2.75 10/15/20223,460,000 shares $9.48 million -2.8%13.6%2.1 $2.74 9/30/20223,560,000 shares $9.68 million -12.3%14.0%2.2 $2.72 9/15/20224,060,000 shares $10.15 million -0.3%16.0%2.5 $2.50 8/31/20224,070,000 shares $9.81 million -1.2%16.1%17.2 $2.41 8/15/20224,120,000 shares $11.78 million -0.7%16.3%17.2 $2.86 7/31/20224,150,000 shares $7.14 million -0.7%16.5%19.5 $1.72 7/15/20224,180,000 shares $6.81 million +0.5%16.7%18.7 $1.63 6/30/20224,160,000 shares $6.45 million +1.5%16.6%18.1 $1.55 6/15/20224,100,000 shares $8.12 million +2.0%22.3%17 $1.98 5/31/20224,020,000 shares $9.53 million +0.3%15.6%16.7 $2.37 5/15/20224,010,000 shares $9.34 million +3.4%15.5%13.5 $2.33 4/30/20223,880,000 shares $9.97 million +1.8%15.3%11.5 $2.57 4/15/20223,810,000 shares $11.54 million -6.2%15.0%10.9 $3.03 3/31/20224,060,000 shares $14.82 million -1.7%16.0%9.8 $3.65 3/15/20224,130,000 shares $12.97 million +2.2%16.3%9.1 $3.14 2/28/20224,040,000 shares $14.67 million +5.5%15.9%8.3 $3.63 2/15/20223,830,000 shares $14.90 million +7.9%15.2%7.6 $3.89 1/31/20223,550,000 shares $14.56 million -9.2%14.1%5.6 $4.10 1/15/20223,910,000 shares $16.07 million +3.2%15.5%5.3 $4.11 12/31/20213,790,000 shares $19.48 million +9.2%15.1%5.4 $5.14 12/15/20213,470,000 shares $19.92 million +1.5%13.8%5.3 $5.74 11/30/20213,420,000 shares $20.21 million -1.4%13.6%5.4 $5.91 11/15/20213,470,000 shares $20.96 million -22.7%13.8%5.6 $6.04 10/29/20214,490,000 shares $34.35 million -0.2%17.9%7.5 $7.65 10/15/20214,500,000 shares $32.49 million -1.5%18.0%10.9 $7.22 9/30/20214,570,000 shares $32.81 million +1.8%18.3%10.6 $7.18 9/15/20214,490,000 shares $32.69 million -0.2%18.0%8.7 $7.28 8/31/20214,500,000 shares $32.99 million +13.9%18.0%8.6 $7.33 8/13/20213,950,000 shares $27.81 million -1.7%15.8%7.2 $7.04 7/30/20214,020,000 shares $31.07 million +4.2%16.1%7.1 $7.73 7/15/20213,860,000 shares $29.03 million -1.5%15.7%6.7 $7.52 6/30/20213,920,000 shares $33.20 million -13.9%15.9%6.7 $8.47 6/15/20214,550,000 shares $39.54 million +6.3%18.3%8.3 $8.69 5/28/20214,280,000 shares $35.22 million +1.2%16.8%7.4 $8.23 5/14/20214,230,000 shares $30.33 million +10.7%N/A6.2 $7.17 4/30/20213,820,000 shares $30.22 million -10.3%N/A5.6 $7.91 4/15/20214,260,000 shares $35.32 million -6.2%N/A5.8 $8.29 3/31/20214,540,000 shares $36.18 million +11.3%N/A5.8 $7.97 3/15/20214,080,000 shares $36.52 million +11.2%N/A4.9 $8.95 2/26/20213,670,000 shares $40.99 million +6.1%N/A4.5 $11.17 2/12/20213,460,000 shares $42.77 million -3.1%N/A4.6 $12.36 1/29/20213,570,000 shares $40.34 million -6.5%N/A4.3 $11.30 1/15/20213,820,000 shares $40.00 million -6.4%N/A4.7 $10.47 12/31/20204,080,000 shares $35.09 million -5.6%N/A5.8 $8.60 12/15/20204,320,000 shares $34.26 million -3.1%N/A7 $7.93 11/30/20204,460,000 shares $36.30 million +3.7%N/A7.4 $8.14 11/15/20204,300,000 shares $32.64 million +1.4%N/A6.8 $7.59 10/30/20204,240,000 shares $39.69 million -3.9%N/A6.8 $9.36 AAOI Short Interest - Frequently Asked Questions What is Applied Optoelectronics' current short interest? Short interest is the volume of Applied Optoelectronics shares that have been sold short but have not yet been closed out or covered. As of September 30th, traders have sold 13,520,000 shares of AAOI short. Learn More on Applied Optoelectronics' current short interest. What is a good short interest ratio for Applied Optoelectronics? 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. AAOI shares currently have a short interest ratio of 3.0. Learn More on Applied Optoelectronics's short interest ratio. Which institutional investors are shorting Applied Optoelectronics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Applied Optoelectronics: Group One Trading LLC, Jane Street Group LLC, Caption Management LLC, Walleye Capital LLC, Walleye Trading LLC, Capital Fund Management S.A., and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Applied Optoelectronics' short interest increasing or decreasing? Applied Optoelectronics saw a increase in short interest in the month of September. As of September 30th, there was short interest totaling 13,520,000 shares, an increase of 10.8% from the previous total of 12,200,000 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 Applied Optoelectronics' short interest compare to its competitors? Here is how the short interest of companies in the industry of "electronic equipment" compare to Applied Optoelectronics: Universal Display Corporation (4.13%), Impinj, Inc. (10.76%), LG Display Co., Ltd. (0.04%), Allegro MicroSystems, Inc. (8.47%), Planet Labs PBC (14.02%), CommScope Holding Company, Inc. (7.21%), Ondas Holdings Inc. (5.07%), Silicon Motion Technology Corporation (1.87%), Viavi Solutions Inc. (4.49%), Intuitive Machines, Inc. (27.27%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks. What does it mean to sell short Applied Optoelectronics stock? Short selling AAOI is an investing strategy that aims to generate trading profit from Applied Optoelectronics as its price is falling. AAOI shares are trading up $1.42 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 Applied Optoelectronics? A short squeeze for Applied Optoelectronics 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 AAOI, which in turn drives the price of the stock up even further. How often is Applied Optoelectronics' 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 AAOI, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies OLED Short Interest Data PI Short Interest Data LPL Short Interest Data ALGM Short Interest Data PL Short Interest Data COMM Short Interest Data ONDS Short Interest Data SIMO Short Interest Data VIAV Short Interest Data LUNR 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:AAOI) was last updated on 10/23/2025 by MarketBeat.com Staff From Our PartnersNEW LAW: Congress Approves Setup For Digital Dollar?Trump Ally Says Congress Approved the Setup for a Digital Dollar 2.0 But according to Rep. 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