Ambarella (AMBA) Short Interest Ratio & Short Volume $70.63 -1.30 (-1.81%) Closing price 04:00 PM EasternExtended Trading$84.68 +14.06 (+19.90%) As of 08:00 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 ForecastsChartCompetitorsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Ambarella Short Interest DataAmbarella (AMBA) has a short interest of 2.17 million shares, representing 5.40% of the float (the number of shares available for trading by the public). This marks a 4.83% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.4, indicating that it would take 2.4 days of the average trading volume of 535,873 shares to cover all short positions.Current Short Interest2,170,000 sharesPrevious Short Interest2,070,000 sharesChange Vs. Previous Month+4.83%Dollar Volume Sold Short$143.42 millionShort Interest Ratio2.4 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares42,410,000 sharesShort Percent of Float5.40%Today's Trading Volume1,895,583 sharesAverage Trading Volume535,873 sharesToday's Volume Vs. Average354% Short Selling Ambarella? Sign up to receive the latest short interest report for Ambarella and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAMBA Short Interest Over TimeAMBA Days to Cover Over TimeAMBA Percentage of Float Shorted Over Time Ambarella Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20252,170,000 shares $143.42 million +4.8%5.4%2.4 $66.09 7/15/20252,070,000 shares $137.82 million -3.7%N/A2.3 $66.58 6/30/20252,150,000 shares $142.05 million +39.6%5.4%2.3 $66.07 6/15/20251,540,000 shares $78.12 million +4.1%3.8%1.7 $50.73 5/31/20251,480,000 shares $76.53 million +14.7%3.8%1.8 $51.71 5/15/20251,290,000 shares $80.78 million -5.2%3.3%1.5 $62.62 4/30/20251,360,000 shares $65.27 million +0.7%N/A1.6 $47.99 4/15/20251,350,000 shares $60.93 million -17.2%3.4%1.6 $45.13 3/31/20251,630,000 shares $82.04 million +19.0%4.1%1.9 $50.33 3/15/20251,370,000 shares $75.05 million -29.7%3.5%1.7 $54.78 Get the Latest News and Ratings for AMBA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ambarella and its competitors with MarketBeat's FREE daily newsletter. 2/28/20251,950,000 shares $119.79 million +3.7%5.0%2.4 $61.43 2/15/20251,880,000 shares $146.28 million +21.3%4.8%2.5 $77.81 1/31/20251,550,000 shares $118.92 million +4.0%N/A2.2 $76.72 1/15/20251,490,000 shares $113.48 million +5.7%N/A2.3 $76.16 12/31/20241,410,000 shares $102.56 million -1.4%N/A2.3 $72.74 12/15/20241,430,000 shares $103.72 million -7.1%N/A2.5 $72.53 11/30/20241,540,000 shares $110.19 million +7.7%N/A2.8 $71.55 11/15/20241,430,000 shares $81.40 million +5.9%N/A2.5 $56.92 10/31/20241,350,000 shares $75.86 million -1.5%N/A2.4 $56.19 10/15/20241,370,000 shares $79.17 million -9.3%N/A2.3 $57.79 9/30/20241,510,000 shares $85.17 million -2.0%N/A2.3 $56.41 9/15/20241,540,000 shares $82.27 million +2.7%N/A2.3 $53.42 8/31/20241,500,000 shares $89.55 million -22.3%N/A2.2 $59.70 8/15/20241,930,000 shares $91.69 million +6.6%N/A3.1 $47.51 7/31/20241,810,000 shares $95.28 million +18.3%N/A2.9 $52.64 7/15/20241,530,000 shares $98.38 million -34.9%N/A2.4 $64.30 6/30/20242,350,000 shares $126.78 million +6.3%N/A3.7 $53.95 6/15/20242,210,000 shares $124.87 million -6.4%N/A3.6 $56.50 5/31/20242,360,000 shares $137.49 million -12.9%N/A3.8 $58.26 5/15/20242,710,000 shares $126.83 million -5.9%N/A4.7 $46.80 4/30/20242,880,000 shares $132.39 million +16.6%N/A5 $45.97 4/15/20242,470,000 shares $112.61 million -0.4%N/A4.4 $45.59 3/31/20242,480,000 shares $125.91 million -6.8%N/A4.7 $50.77 3/15/20242,660,000 shares $130.74 million -10.7%N/A4.9 $49.15 2/29/20242,980,000 shares $166.43 million -3.9%N/A5.2 $55.85 2/15/20243,100,000 shares $168.95 million +12.3%N/A5.5 $54.50 1/31/20242,760,000 shares $145.07 million +18.0%N/A5 $52.56 1/15/20242,340,000 shares $132.00 million +59.2%N/A4.2 $56.41 12/31/20231,470,000 shares $90.10 million +2.1%N/A2.7 $61.29 12/15/20231,440,000 shares $92.26 million +39.8%N/A2.8 $64.07Capital Gains Tax Strategies for Seniors (Ad)Capital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. From holding investments longer to using tax-advantaged accounts and strategic loss offsetting, there are ways to reduce your exposure. SmartAsset outlines three capital gains tax strategies for seniors and offers a free tool to connect you with vetted fiduciary financial advisors who can help tailor these tactics to your situation.Click here to see the three strategies and get matched with a financial advisor today. 11/30/20231,030,000 shares $60.47 million -2.8%N/A2.1 $58.71 11/15/20231,060,000 shares $57.02 million -2.8%N/A1.7 $53.79 10/31/20231,090,000 shares $49.04 million -0.9%N/A1.8 $44.99 10/15/20231,100,000 shares $58.14 million No ChangeN/A1.8 $52.85 9/30/20231,100,000 shares $58.33 million -2.7%N/A1.8 $53.03 9/15/20231,130,000 shares $64.53 million -15.7%N/A1.9 $57.11 8/31/20231,340,000 shares $83.28 million +11.7%N/A2.2 $62.15 8/15/20231,200,000 shares $85.42 million -10.5%N/A2.2 $71.18 7/31/20231,340,000 shares $111.78 million +17.5%N/A2.5 $83.42 7/15/20231,140,000 shares $93.49 million -6.6%N/A2.1 $82.01 6/30/20231,220,000 shares $102.08 million -4.7%N/A2.2 $83.67 6/15/20231,280,000 shares $110.52 million +1.6%N/A2.2 $86.34 5/31/20231,260,000 shares $91.12 million -9.4%N/A2.3 $72.32 5/15/20231,390,000 shares $94.58 million +15.8%N/A3.1 $68.04 4/30/20231,200,000 shares $74.38 million -2.4%N/A2.6 $61.98 4/15/20231,230,000 shares $83.64 million +8.9%N/A2.7 $68.00 3/31/20231,130,000 shares $87.48 million +3.7%N/A2.4 $77.42 3/15/20231,090,000 shares $83.49 million -5.2%N/A2.2 $76.60 2/28/20231,150,000 shares $108.46 million +2.7%N/A2 $94.31 2/15/20231,120,000 shares $109.05 million -5.1%N/A2.1 $97.37 1/31/20231,180,000 shares $106.01 million -12.6%N/A2 $89.84 1/15/20231,350,000 shares $117.98 million -11.2%N/A2.3 $87.39 12/30/20221,520,000 shares $124.99 million +2.0%N/A2.6 $82.23 12/15/20221,490,000 shares $127.66 million +28.5%N/A2.6 $85.68 11/30/20221,160,000 shares $86.07 million +35.4%N/A2 $74.20 11/15/2022856,700 shares $58.27 million -16.8%N/A1.3 $68.02 10/31/20221,030,000 shares $56.37 million -5.5%N/A1.7 $54.73 10/15/20221,090,000 shares $53.86 million -2.7%N/A1.8 $49.41 9/30/20221,120,000 shares $62.92 million -12.5%3.1%1.8 $56.18 9/15/20221,280,000 shares $83.52 million -5.2%3.5%2.1 $65.25 8/31/20221,350,000 shares $91.64 million -12.3%3.8%2.2 $67.88 8/15/20221,540,000 shares $142.22 million +3.4%4.3%2.9 $92.35 7/31/20221,490,000 shares $128.96 million +1.4%4.1%2.6 $86.55 7/15/20221,470,000 shares $100.31 million -0.7%4.1%2.6 $68.24 6/30/20221,480,000 shares $96.88 million +6.5%4.1%2.6 $65.46 6/15/20221,390,000 shares $100.14 million -6.7%3.9%2.3 $72.04 5/31/20221,490,000 shares $126.98 million +0.7%4.1%2.3 $85.22 5/15/20221,480,000 shares $113.77 million +2.1%4.1%1.9 $76.87 4/30/20221,450,000 shares $119.02 million +11.5%4.0%1.9 $82.08 4/15/20221,300,000 shares $117.34 million -8.5%3.7%1.7 $90.26 3/31/20221,420,000 shares $148.99 million +13.6%4.1%1.7 $104.92 3/15/20221,250,000 shares $109.76 million +48.4%3.6%1.5 $87.81 2/28/2022842,600 shares $117.72 million -22.7%2.4%1 $139.71 2/15/20221,090,000 shares $161.78 million -9.2%3.1%1.4 $148.42 1/31/20221,200,000 shares $168.18 million +9.1%3.4%1.5 $140.15 1/15/20221,100,000 shares $171.40 million -9.1%3.1%1.4 $155.82 12/31/20211,210,000 shares $245.50 million -23.4%3.5%1.5 $202.89 12/15/20211,580,000 shares $331.12 million +27.4%4.5%2.1 $209.57 11/30/20211,240,000 shares $222.60 million -8.2%3.6%1.6 $179.52 11/15/20211,350,000 shares $256.85 million -15.1%3.9%1.8 $190.26Capital Gains Tax Strategies for Seniors (Ad)Capital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. From holding investments longer to using tax-advantaged accounts and strategic loss offsetting, there are ways to reduce your exposure. SmartAsset outlines three capital gains tax strategies for seniors and offers a free tool to connect you with vetted fiduciary financial advisors who can help tailor these tactics to your situation.Click here to see the three strategies and get matched with a financial advisor today. 10/29/20211,590,000 shares $295.47 million +9.7%4.6%2.3 $185.83 10/15/20211,450,000 shares $242.27 million -3.3%4.2%2.2 $167.08 9/30/20211,500,000 shares $233.61 million -13.3%4.3%2.6 $155.74 9/15/20211,730,000 shares $264.08 million +25.4%5.0%3.2 $152.65 8/31/20211,380,000 shares $142.93 million +8.7%4.0%3 $103.57 8/13/20211,270,000 shares $125.29 million -11.8%3.7%3.7 $98.65 7/30/20211,440,000 shares $141.83 million +3.6%4.2%3.6 $98.49 7/15/20211,390,000 shares $131.81 million -3.5%4.0%3.4 $94.83 6/30/20211,440,000 shares $153.55 million -3.4%4.2%3.4 $106.63 6/15/20211,490,000 shares $155.60 million -8.6%4.3%3.5 $104.43 5/28/20211,630,000 shares $163.62 million +8.0%4.7%3.7 $100.38 5/14/20211,510,000 shares $132.32 million -3.8%N/A2.7 $87.63 4/30/20211,570,000 shares $161.52 million -2.5%N/A2.8 $102.88 4/15/20211,610,000 shares $163.64 million -13.0%N/A2.5 $101.64 3/31/20211,850,000 shares $180.86 million -15.9%N/A2.5 $97.76 3/15/20212,200,000 shares $250.32 million +8.9%N/A2.9 $113.78 2/26/20212,020,000 shares $228.85 million -5.2%N/A2.5 $113.29 2/12/20212,130,000 shares $262.86 million +1.0%N/A2.5 $123.41 1/29/20212,110,000 shares $211.11 million -0.5%N/A2.6 $100.05 1/15/20212,120,000 shares $229.36 million -0.5%N/A2.9 $108.19 12/31/20202,130,000 shares $196.98 million -8.2%N/A3.2 $92.48 12/15/20202,320,000 shares $210.63 million -35.9%N/A3.9 $90.79 11/30/20203,620,000 shares $281.89 million +26.6%N/A5.9 $77.87 11/15/20202,860,000 shares $167.91 million +6.3%N/A4.7 $58.71 10/30/20202,690,000 shares $149.24 million +5.5%N/A5.2 $55.48 10/15/20202,550,000 shares $144.23 million -1.2%N/A4.9 $56.56 9/30/20202,580,000 shares $134.62 million -12.5%N/A4.9 $52.18 9/15/20202,950,000 shares $154.88 million +4.6%N/A5.4 $52.50 8/31/20202,820,000 shares $148.61 million +9.7%N/A5.1 $52.70 AMBA Short Interest - Frequently Asked Questions What is Ambarella's current short interest? Short interest is the volume of Ambarella shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 2,170,000 shares of AMBA short. 5.40% of Ambarella's shares are currently sold short. Learn More on Ambarella's current short interest. What is a good short interest ratio for Ambarella? 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. AMBA shares currently have a short interest ratio of 2.0. Learn More on Ambarella's short interest ratio. Which institutional investors are shorting Ambarella? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Ambarella: Group One Trading LLC, Jane Street Group LLC, Walleye Capital LLC, Walleye Trading LLC, and 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 Ambarella? 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. 5.40% of Ambarella's floating shares are currently sold short. Is Ambarella's short interest increasing or decreasing? Ambarella saw a increase in short interest in July. As of July 31st, there was short interest totaling 2,170,000 shares, an increase of 4.8% from the previous total of 2,070,000 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 Ambarella's short interest compare to its competitors? 5.40% of Ambarella's shares are currently sold short. Here is how the short interest of companies compare to Ambarella: Diodes Incorporated (3.93%), Entegris, Inc. (8.57%), KLA Corporation (2.45%), Lam Research Corporation (2.26%), Lattice Semiconductor Corporation (8.48%), MKS Inc. (5.57%), Monolithic Power Systems, Inc. (5.19%), MACOM Technology Solutions Holdings, Inc. (3.60%), NXP Semiconductors N.V. (2.94%), Synaptics Incorporated (8.62%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Ambarella stock? Short selling AMBA is an investing strategy that aims to generate trading profit from Ambarella as its price is falling. AMBA shares are trading down $1.30 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 Ambarella? A short squeeze for Ambarella 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 AMBA, which in turn drives the price of the stock up even further. How often is Ambarella'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 AMBA, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies DIOD Short Interest ENTG Short Interest KLAC Short Interest LRCX Short Interest LSCC Short Interest MKSI Short Interest MPWR Short Interest MTSI Short Interest NXPI Short Interest SYNA 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:AMBA) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersNVIDIA's Worst Nightmare?$2 TRILLION Quantum Gold Rush While everyone fights over expensive AI stocks... 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