Ambarella (AMBA) Short Interest Ratio & Short Volume $62.88 +0.39 (+0.62%) Closing price 08/7/2025 04:00 PM EasternExtended Trading$63.32 +0.45 (+0.71%) As of 08/7/2025 07:33 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 Ambarella Short Interest DataAmbarella (AMBA) has a short interest of 2.07 million shares. This marks a -3.72% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.3, indicating that it would take 2.3 days of the average trading volume of 540,142 shares to cover all short positions.Current Short Interest2,070,000 sharesPrevious Short Interest2,150,000 sharesChange Vs. Previous Month-3.72%Dollar Volume Sold Short$137.82 millionShort Interest Ratio2.3 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares42,414,000 sharesPercentage of Shares Shorted4.88%Today's Trading Volume484,551 sharesAverage Trading Volume540,142 sharesToday's Volume Vs. Average90% Short Selling Ambarella? Sign up to receive the latest short interest report for Ambarella and its competitors with MarketBeat's FREE newsletter. Email Address 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 7/15/20252,070,000 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 2/28/20251,950,000 shares $119.79 million +3.7%5.0%2.4 $61.43 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. 2/15/20251,880,000 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 $64.07 11/30/20231,030,000 shares $60.47 million -2.8%N/A2.1 $58.71HIDDEN IN THE BOOK OF GENESIS… (Ad)“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 trillion vault of untapped American wealth. Former CIA advisor Jim Rickards calls it the “Old Testament Wealth Code” — and says it could transform your financial future. He’s revealing everything in a new presentation.Watch Jim Rickards reveal the Old Testament Wealth Code 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 $190.26 10/29/20211,590,000 shares $295.47 million +9.7%4.6%2.3 $185.83HIDDEN IN THE BOOK OF GENESIS… (Ad)“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 trillion vault of untapped American wealth. Former CIA advisor Jim Rickards calls it the “Old Testament Wealth Code” — and says it could transform your financial future. He’s revealing everything in a new presentation.Watch Jim Rickards reveal the Old Testament Wealth Code 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 8/14/20202,570,000 shares $117.78 million +3.2%7.9%5.1 $45.83 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 15th, investors have sold 2,070,000 shares of AMBA 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: Simplex Trading LLC, Jane Street Group LLC, Parallax Volatility Advisers L.P., Millennium Management LLC, Cubist Systematic Strategies LLC, PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Ambarella's short interest increasing or decreasing? Ambarella saw a drop in short interest in the month of July. As of July 15th, there was short interest totaling 2,070,000 shares, a drop of 3.7% from the previous total of 2,150,000 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? Here is how the short interest of companies compare to Ambarella: Applied Materials, Inc. (1.90%), Diodes Incorporated (3.75%), KLA Corporation (2.37%), Lam Research Corporation (2.36%), Lattice Semiconductor Corporation (8.82%), MKS Inc. (5.69%), Monolithic Power Systems, Inc. (5.07%), MACOM Technology Solutions Holdings, Inc. (3.73%), NXP Semiconductors N.V. (2.77%), Synaptics Incorporated (8.95%), 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 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 up $0.39 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, 15 2025. 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