ENDRA Life Sciences (NDRA) Short Interest Ratio & Short Volume $4.39 -0.15 (-3.30%) Closing price 04:00 PM EasternExtended Trading$4.34 -0.05 (-1.14%) As of 06:55 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesSEC FilingsShort InterestTrendsBuy This Stock ENDRA Life Sciences Short Interest DataENDRA Life Sciences (NDRA) has a short interest of 130,100 shares, representing 17.29% of the float (the number of shares available for trading by the public). This marks a -44.12% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.1, indicating that it would take 0.1 days of the average trading volume of 63,376 shares to cover all short positions.Current Short Interest130,100 sharesPrevious Short Interest232,800 sharesChange Vs. Previous Month-44.12%Dollar Volume Sold Short$686.93 thousandShort Interest Ratio0.1 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares750,000 sharesFloat Size752,600 sharesShort Percent of Float17.29%Today's Trading Volume28,182 sharesAverage Trading Volume63,376 sharesToday's Volume Vs. Average44% Short Selling ENDRA Life Sciences? Sign up to receive the latest short interest report for ENDRA Life Sciences and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNDRA Short Interest Over TimeNDRA Days to Cover Over TimeNDRA Percentage of Float Shorted Over Time ENDRA Life Sciences Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025130,100 shares $686.93 thousand -44.1%17.3%0.1 $5.28 7/15/2025232,800 shares $1.88 million +1,373.4%30.9%0.1 $8.07 6/30/202515,800 shares $55.46 thousand -6.5%2.1%0 $3.51 6/15/202516,900 shares $58.31 thousand -67.1%2.3%0.1 $3.45 5/31/202551,400 shares $176.82 thousand -23.1%7.0%0.3 $3.44 5/15/202566,800 shares $214.43 thousand -45.2%9.1%0.4 $3.21 4/30/2025121,800 shares $732.02 thousand +172.5%21.7%0.8 $6.01 4/15/202544,700 shares $141.25 thousand +41.5%8.0%0.4 $3.16 3/31/202531,600 shares $127.98 thousand -22.2%5.6%1 $4.05 3/15/202540,600 shares $166.46 thousand +43.5%7.6%2.1 $4.10 Get the Latest News and Ratings for NDRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ENDRA Life Sciences and its competitors with MarketBeat's FREE daily newsletter. 2/28/202528,300 shares $122.54 thousand -9.3%5.3%1.1 $4.33 2/15/202531,200 shares $156.47 thousand -6.0%5.8%0.7 $5.02 1/31/202533,200 shares $167.79 thousand -15.7%6.2%0.4 $5.05 1/15/202539,400 shares $236.40 thousand -24.5%7.3%0.2 $6.00 12/31/202452,200 shares $326.77 thousand +15.2%9.7%0.2 $6.26 12/15/202445,300 shares $193.43 thousand -32.3%8.4%0.2 $4.27 11/30/202466,900 shares $382.00 thousand +6.9%12.5%0.3 $5.71 11/15/202462,600 shares $284.20 thousand +160.8%11.7%0.2 $4.54 10/31/202424,000 shares $211.26 thousand -96.7%4.6%0.1 $8.80 10/15/2024717,700 shares $150.00 thousand +167.7%4.0%0.1 $0.21 9/30/2024268,100 shares $53.89 thousand +324.2%1.5%0.1 $0.20 9/15/202463,200 shares $14.54 thousand -65.7%0.4%0 $0.23 8/31/2024184,200 shares $70.49 thousand +11.7%1.0%0.1 $0.38 8/15/2024164,900 shares $21.44 million -24.5%11.4%0.1 $130.00 7/31/2024218,500 shares $17.15 thousand -5.9%N/A0 $0.08 7/15/2024232,100 shares $21.26 thousand -29.3%N/A0 $0.09 6/30/2024328,200 shares $31.87 thousand -75.0%N/A0 $0.10 6/15/20241,310,000 shares $135.72 thousand +371.9%N/A0.1 $0.10 5/31/2024277,600 shares $74.67 thousand +165.1%2.6%0 $0.27 5/15/2024104,700 shares $30.42 thousand +2,517.5%1.0%0.6 $0.29 4/30/20244,000 shares $1.13 thousand -47.4%0.0%0 $0.28 4/15/20247,600 shares $1.99 thousand -75.2%0.1%0 $0.26 3/31/202430,600 shares $17.75 thousand -36.9%0.3%0.2 $0.58 3/15/202448,500 shares $48.50 thousand -11.3%0.5%0.3 $1.00 2/29/202454,700 shares $61.26 thousand +86.1%0.5%0.4 $1.12 2/15/202429,400 shares $33.81 thousand +47.7%0.4%0.3 $1.15 1/31/202419,900 shares $20.90 thousand -73.7%0.2%0.2 $1.05 1/15/202475,700 shares $98.41 thousand -41.8%0.9%0.8 $1.30 12/31/2023130,000 shares $275.60 thousand -25.5%1.6%1.4 $2.12 12/15/2023174,500 shares $251.28 thousand -17.3%2.1%2.3 $1.44Cover all your expenses with just $118,000 invested? (Ad)Generate up to $5,000/month with 10X less money? That's what every financial advisor tells you. But I just discovered a new way to do it with 10X less money.Start collecting this income (next payout coming soon) 11/30/2023211,100 shares $206.43 thousand -11.8%2.6%1.9 $0.98 11/15/2023239,300 shares $227.34 thousand -6.1%2.9%2.4 $0.95 10/31/2023254,900 shares $251.08 thousand +56.5%3.5%2.2 $0.99 10/15/2023162,900 shares $169.42 thousand +28.9%2.2%1.4 $1.04 9/30/2023126,400 shares $140.32 thousand +175.4%1.7%1.1 $1.11 9/15/202345,900 shares $56.46 thousand -37.1%0.6%0.4 $1.23 8/31/202373,000 shares $85.41 thousand +5.5%1.0%1.2 $1.17 8/15/202369,200 shares $79.58 thousand +61.7%0.9%1.1 $1.15 7/31/202342,800 shares $53.07 thousand -20.0%0.6%0.8 $1.24 7/15/202353,500 shares $72.76 thousand -36.5%0.7%0.8 $1.36 6/30/202384,300 shares $118.02 thousand +13.2%1.2%1.3 $1.40 6/15/202374,500 shares $109.52 thousand +40.0%1.0%1.4 $1.47 5/31/202353,200 shares $78.20 thousand +54.7%0.8%1.2 $1.47 5/15/202334,400 shares $44.03 thousand -70.1%0.5%1 $1.28 4/30/2023114,900 shares $183.84 thousand +61.2%1.9%3.9 $1.60 4/15/202371,300 shares $131.91 thousand +124.2%2.4%5.7 $1.85 3/31/202331,800 shares $72.82 thousand -7.8%1.1%2.6 $2.29 3/15/202334,500 shares $124.20 thousand +24.1%1.2%2.6 $3.60 2/28/202327,800 shares $108.42 thousand -7.6%0.9%1.3 $3.90 2/15/202330,100 shares $111.37 thousand -9.1%1.0%1.4 $3.70 1/31/202333,100 shares $132.73 thousand -23.2%1.1%1.4 $4.01 1/15/202343,100 shares $202.57 thousand +28.3%1.4%1.8 $4.70 12/30/202233,600 shares $136.75 thousand -54.4%1.1%1.4 $4.07 12/15/202273,600 shares $374.62 thousand +173.6%2.4%3.2 $5.09 11/30/202226,900 shares $4.78 thousand -95.5%0.9%2 $0.18 11/15/2022597,800 shares $119.68 thousand +8.8%N/A2.2 $0.20 10/31/2022549,600 shares $126.41 thousand -19.7%N/A1.9 $0.23 10/15/2022684,800 shares $208.52 thousand -11.7%N/A2.1 $0.30 9/30/2022775,300 shares $237.24 thousand +0.1%N/A2.1 $0.31 9/15/2022774,500 shares $278.82 thousand +11.5%N/A1.9 $0.36 8/31/2022694,700 shares $202.64 thousand -8.8%N/A1.5 $0.29 8/15/2022761,900 shares $275.05 thousand +17.1%N/A1.3 $0.36 7/31/2022650,600 shares $178.78 thousand -6.2%N/A0.8 $0.27 7/15/2022693,400 shares $163.92 thousand -17.9%N/A0.6 $0.24 6/30/2022844,400 shares $196.75 thousand +97.2%N/A0.3 $0.23 6/15/2022428,200 shares $102.77 thousand -55.0%N/A0.1 $0.24 5/31/2022952,400 shares $219.05 thousand +282.3%N/A0.3 $0.23 5/15/2022249,100 shares $49.57 thousand -86.9%N/A0.1 $0.20 4/30/20221,900,000 shares $492.86 thousand -12.0%N/A0.8 $0.26 4/15/20222,160,000 shares $559.44 thousand +285.8%N/A0.9 $0.26 3/31/2022559,900 shares $218.36 thousand +30.2%N/A0.4 $0.39 3/15/2022430,200 shares $167.78 thousand +32.1%1.1%1.6 $0.39 2/28/2022325,600 shares $139.36 thousand -11.2%0.8%1.2 $0.43 2/15/2022366,500 shares $160.89 thousand +16.8%0.9%1.2 $0.44 1/31/2022313,900 shares $188.34 thousand -38.4%0.8%1 $0.60 1/15/2022509,300 shares $352.94 thousand -1.4%1.2%1.6 $0.69 12/31/2021516,400 shares $357.25 thousand +5.2%1.3%1.7 $0.69 12/15/2021491,000 shares $374.14 thousand -11.9%1.2%1.8 $0.76 11/30/2021557,200 shares $530.51 thousand -45.4%1.4%2.2 $0.95 11/15/20211,020,000 shares $1.36 million -15.0%2.5%4 $1.33Cover all your expenses with just $118,000 invested? (Ad)Generate up to $5,000/month with 10X less money? That's what every financial advisor tells you. But I just discovered a new way to do it with 10X less money.Start collecting this income (next payout coming soon) 10/29/20211,200,000 shares $1.90 million +9.1%2.9%4.4 $1.58 10/15/20211,100,000 shares $1.74 million -10.6%2.7%4.2 $1.58 9/30/20211,230,000 shares $2.13 million +0.8%3.0%4.2 $1.73 9/15/20211,220,000 shares $2.12 million +1.7%3.0%3.5 $1.74 8/31/20211,200,000 shares $2.28 million +53.4%2.9%3.1 $1.90 8/13/2021782,100 shares $1.27 million -27.6%1.9%1.9 $1.62 7/30/20211,080,000 shares $1.94 million +30.6%2.7%2.5 $1.80 7/15/2021827,100 shares $1.55 million +7.9%2.0%1.5 $1.87 6/30/2021766,800 shares $1.67 million -4.1%1.9%1.2 $2.18 6/15/2021799,200 shares $1.71 million +28.2%2.0%1 $2.14 5/28/2021623,400 shares $1.32 million -46.3%1.5%0.6 $2.12 5/14/20211,160,000 shares $2.30 million -10.8%N/A0.8 $1.98 4/30/20211,300,000 shares $3.21 million -3.7%N/A0.7 $2.47 4/15/20211,350,000 shares $3.08 million +13.5%N/A0.6 $2.28 3/31/20211,190,000 shares $3.06 million +304.4%N/A0.4 $2.57 3/15/2021294,300 shares $735.75 thousand -34.1%N/A0.1 $2.50 2/26/2021446,800 shares $1.10 million +19.6%N/A0.2 $2.46 2/12/2021373,700 shares $852.04 thousand -61.8%N/A0.1 $2.28 1/29/2021979,400 shares $1.97 million +98.2%N/A0.4 $2.01 1/15/2021494,200 shares $499.14 thousand +3.6%N/A0.3 $1.01 12/31/2020476,900 shares $355.29 thousand -11.2%N/A0.9 $0.75 12/15/2020537,300 shares $482.93 thousand -2.2%N/A1.7 $0.90 11/30/2020549,600 shares $467.43 thousand +5.1%N/A3.2 $0.85 11/15/2020522,900 shares $441.33 thousand -12.7%N/A3.7 $0.84 10/30/2020598,900 shares $430.07 thousand +3.5%N/A4 $0.72 10/15/2020578,800 shares $421.66 thousand +0.2%N/A2.6 $0.73 9/30/2020577,800 shares $422.66 thousand -1.9%N/A1.9 $0.73 9/15/2020588,800 shares $471.04 thousand -1.2%N/A1.4 $0.80 8/31/2020595,700 shares $488.47 thousand -2.6%N/A1.2 $0.82 NDRA Short Interest - Frequently Asked Questions What is ENDRA Life Sciences' current short interest? Short interest is the volume of ENDRA Life Sciences shares that have been sold short but have not yet been covered or closed out. As of July 31st, traders have sold 130,100 shares of NDRA short. 17.29% of ENDRA Life Sciences' shares are currently sold short. Learn More on ENDRA Life Sciences' current short interest. What is a good short interest percentage for ENDRA Life Sciences? 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. 17.29% of ENDRA Life Sciences' floating shares are currently sold short. Is ENDRA Life Sciences' short interest increasing or decreasing? ENDRA Life Sciences saw a drop in short interest in July. As of July 31st, there was short interest totaling 130,100 shares, a drop of 44.1% from the previous total of 232,800 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 ENDRA Life Sciences' float size? ENDRA Life Sciences currently has issued a total of 753,000 shares. Some of ENDRA Life Sciences' 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. ENDRA Life Sciences currently has a public float of 752,600 shares. How does ENDRA Life Sciences' short interest compare to its competitors? 17.29% of ENDRA Life Sciences' shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to ENDRA Life Sciences: DIH Holding US, Inc. (4.32%), Lyra Therapeutics, Inc. (2.95%), Tenon Medical, Inc. (1.29%), Intelligent Bio Solutions Inc. (7.34%), Innovative Eyewear, Inc. (7.52%), SeaStar Medical Holding Corporation (9.79%), Co-Diagnostics, Inc. (1.94%), HeartSciences Inc. (2.27%), Sintx Technologies, Inc. (10.04%), PAVmed Inc. (1.51%), 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 ENDRA Life Sciences stock? Short selling NDRA is an investing strategy that aims to generate trading profit from ENDRA Life Sciences as its price is falling. NDRA shares are trading down $0.13 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 ENDRA Life Sciences? A short squeeze for ENDRA Life Sciences 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 NDRA, which in turn drives the price of the stock up even further. How often is ENDRA Life Sciences' 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 NDRA, twice per month. The most recent reporting period available is July, 31 2025. 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