Biorestorative Therapies (BRTX) Short Interest Ratio & Short Volume $1.54 -0.06 (-3.75%) Closing price 09/12/2025 03:59 PM EasternExtended Trading$1.56 +0.02 (+1.23%) As of 08:21 AM 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Biorestorative Therapies Short Interest DataBiorestorative Therapies (BRTX) has a short interest of 148,500 shares, representing 2.45% of the float (the number of shares available for trading by the public). This marks a -2.37% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.0, indicating that it would take 1.0 days of the average trading volume of 98,429 shares to cover all short positions.Current Short Interest148,500 sharesPrevious Short Interest152,100 sharesChange Vs. Previous Month-2.37%Dollar Volume Sold Short$273.24 thousandShort Interest Ratio1.0 Days to CoverLast Record DateAugust 31, 2025Outstanding Shares7,980,000 sharesFloat Size6,060,000 sharesShort Percent of Float2.45%Today's Trading Volume70,244 sharesAverage Trading Volume98,429 sharesToday's Volume Vs. Average71% Short Selling Biorestorative Therapies? Sign up to receive the latest short interest report for Biorestorative Therapies 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 ChartBRTX Short Interest Over TimeBRTX Days to Cover Over TimeBRTX Percentage of Float Shorted Over Time Biorestorative Therapies Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/2025148,500 shares $273.24 thousand -2.4%2.5%1 $1.84 8/15/2025152,100 shares $231.19 thousand -2.2%2.6%1.2 $1.52 7/31/2025155,500 shares $228.59 thousand -9.2%2.9%1.3 $1.47 7/15/2025171,300 shares $263.78 thousand -15.8%3.2%1.5 $1.54 6/30/2025203,500 shares $338.95 thousand -22.2%3.8%1.9 $1.67 6/15/2025261,400 shares $439.15 thousand +84.3%4.8%2.6 $1.68 5/31/2025141,800 shares $242.48 thousand -13.2%2.6%2.1 $1.71 5/15/2025163,300 shares $272.71 thousand -5.4%3.0%1.3 $1.67 4/30/2025172,700 shares $303.95 thousand -16.8%3.2%0.5 $1.76 4/15/2025207,500 shares $369.35 thousand -37.1%3.8%0.6 $1.78 Get the Latest News and Ratings for BRTX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Biorestorative Therapies and its competitors with MarketBeat's FREE daily newsletter. 3/31/2025329,700 shares $586.87 thousand -18.6%6.1%0.9 $1.78 3/15/2025405,200 shares $717.20 thousand -43.4%8.1%1.1 $1.77 2/28/2025715,900 shares $1.09 million +205.8%14.3%1.8 $1.52 2/15/2025234,100 shares $536.09 thousand -0.6%4.7%0.7 $2.29 1/31/2025235,600 shares $560.73 thousand +81.0%4.6%3.3 $2.38 1/15/2025130,200 shares $234.36 thousand +19.5%2.6%2 $1.80 12/31/2024109,000 shares $155.87 thousand -28.9%2.2%2.1 $1.43 12/15/2024153,400 shares $222.43 thousand +129.3%3.0%3.2 $1.45 11/30/202466,900 shares $102.36 thousand -10.1%1.3%1.3 $1.53 11/15/202474,400 shares $109.37 thousand +68.3%1.5%2.9 $1.47 10/31/202444,200 shares $68.95 thousand -4.3%0.9%1.7 $1.56 10/15/202446,200 shares $79.93 thousand -8.2%0.9%1.9 $1.73 9/30/202450,300 shares $87.52 thousand -13.9%1.0%1.7 $1.74 9/15/202458,400 shares $98.70 thousand +13.4%1.2%1 $1.69 8/31/202451,500 shares $84.46 thousand -15.3%1.0%0 $1.64 8/15/202460,800 shares $100.32 thousand -17.4%1.2%0 $1.65 7/31/202473,600 shares $112.61 thousand -48.9%1.3%0 $1.53 7/15/2024144,000 shares $254.88 thousand -46.4%2.6%0.1 $1.77 6/30/2024268,800 shares $545.66 thousand -85.6%4.9%0.1 $2.03 6/15/20241,870,000 shares $3.46 million +2,211.5%34.0%0.9 $1.85 5/31/202480,900 shares $101.13 thousand -39.0%1.5%0.2 $1.25 5/15/2024132,600 shares $181.66 thousand -21.8%2.4%0.2 $1.37 4/30/2024169,600 shares $240.83 thousand +322.9%3.5%0.3 $1.42 4/15/202440,100 shares $52.13 thousand -1.0%0.8%0.1 $1.30 3/31/202440,500 shares $55.89 thousand +103.5%0.8%0.1 $1.38 3/15/202419,900 shares $26.47 thousand +197.0%0.6%0 $1.33 2/29/20246,700 shares $9.38 thousand -90.9%0.2%0 $1.40 2/15/202473,500 shares $108.05 thousand +260.3%2.1%0.2 $1.47 1/31/202420,400 shares $33.25 thousand +121.7%0.6%0.1 $1.63 1/15/20249,200 shares $14.72 thousand -48.9%0.3%0.6 $1.60 12/31/202318,000 shares $31.32 thousand -52.1%0.5%1.1 $1.74 12/15/202337,600 shares $71.44 thousand +64.2%1.0%1.9 $1.90 11/30/202322,900 shares $43.97 thousand -26.1%0.6%0.7 $1.92 11/15/202331,000 shares $56.58 thousand -33.6%0.8%0.9 $1.83 10/31/202346,700 shares $92.47 thousand -30.3%1.3%1.3 $1.98 10/15/202367,000 shares $148.07 thousand -5.1%1.8%1.6 $2.21 9/30/202370,600 shares $126.37 thousand +256.6%1.9%1.1 $1.79 9/15/202319,800 shares $33.07 thousand -19.8%0.5%0.2 $1.67 8/31/202324,700 shares $54.34 thousand -30.0%0.7%0.3 $2.20 8/15/202335,300 shares $0.00 -47.3%1.0%0.5 $0.00 BRTX Short Interest - Frequently Asked Questions What is Biorestorative Therapies' current short interest? Short interest is the volume of Biorestorative Therapies shares that have been sold short but have not yet been closed out or covered. As of August 31st, traders have sold 148,500 shares of BRTX short. 2.45% of Biorestorative Therapies' shares are currently sold short. Learn More on Biorestorative Therapies' current short interest. What is a good short interest ratio for Biorestorative Therapies? 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. BRTX shares currently have a short interest ratio of 1.0. Learn More on Biorestorative Therapies's short interest ratio. What is a good short interest percentage for Biorestorative Therapies? 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. 2.45% of Biorestorative Therapies' floating shares are currently sold short. Is Biorestorative Therapies' short interest increasing or decreasing? Biorestorative Therapies saw a decrease in short interest in August. As of August 31st, there was short interest totaling 148,500 shares, a decrease of 2.4% from the previous total of 152,100 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 Biorestorative Therapies' float size? Biorestorative Therapies currently has issued a total of 7,980,000 shares. Some of Biorestorative Therapies' 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. Biorestorative Therapies currently has a public float of 6,060,000 shares. How does Biorestorative Therapies' short interest compare to its competitors? 2.45% of Biorestorative Therapies' shares are currently sold short. Here is how the short interest of companies in the industry of "healthcare" compare to Biorestorative Therapies: Basel Medical Group Ltd (6.92%), Kindly MD, Inc. (3.94%), Mangoceuticals, Inc. (6.58%), Concord Medical Services Holdings Limited (0.13%), BioNexus Gene Lab Corp. (4.05%), SunLink Health Systems, Inc. (0.22%), Aclarion, Inc. (2.09%), VSee Health, Inc. (1.30%), NewGenIvf Group Limited (2.73%), IMAC Holdings, Inc. (2.16%), 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 ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks. What does it mean to sell short Biorestorative Therapies stock? Short selling BRTX is an investing strategy that aims to generate trading profit from Biorestorative Therapies as its price is falling. BRTX 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 Biorestorative Therapies? A short squeeze for Biorestorative Therapies 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 BRTX, which in turn drives the price of the stock up even further. How often is Biorestorative Therapies' 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 BRTX, twice per month. The most recent reporting period available is August, 31 2025. More Short Interest Resources from MarketBeat Related Companies Basel Medical Group Short Interest Data Kindly MD Short Interest Data Mangoceuticals Short Interest Data Concord Medical Services Short Interest Data BioNexus Gene Lab Short Interest Data SunLink Health Systems Short Interest Data Aclarion Short Interest Data VSee Health Short Interest Data NewGenIvf Group Short Interest Data IMAC 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:BRTX) was last updated on 9/15/2025 by MarketBeat.com Staff From Our PartnersOut of 18,347 Cryptocurrencies... 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