Rockwell Medical (RMTI) Short Interest Ratio & Short Volume $1.15 +0.10 (+9.52%) Closing price 04:00 PM EasternExtended Trading$1.14 -0.01 (-1.30%) As of 07:43 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 TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Rockwell Medical Short Interest DataRockwell Medical (RMTI) has a short interest of 101,700 shares, representing 0.35% of the float (the number of shares available for trading by the public). This marks a -33.22% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.4, indicating that it would take 0.4 days of the average trading volume of 270,049 shares to cover all short positions.Current Short Interest101,700 sharesPrevious Short Interest152,300 sharesChange Vs. Previous Month-33.22%Dollar Volume Sold Short$94.56 thousandShort Interest Ratio0.4 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares34,430,000 sharesFloat Size28,720,000 sharesShort Percent of Float0.35%Today's Trading Volume422,303 sharesAverage Trading Volume270,049 sharesToday's Volume Vs. Average156% Short Selling Rockwell Medical? Sign up to receive the latest short interest report for Rockwell Medical and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartRMTI Short Interest Over TimeRMTI Days to Cover Over TimeRMTI Percentage of Float Shorted Over Time Rockwell Medical Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025101,700 shares $94.56 thousand -33.2%0.4%0.4 $0.93 7/15/2025152,300 shares $166.01 thousand -11.2%0.5%0.5 $1.09 6/30/2025171,500 shares $145.43 thousand +1.5%0.6%0.6 $0.85 6/15/2025169,000 shares $158.86 thousand +3.9%0.6%0.7 $0.94 5/31/2025162,600 shares $158.73 thousand -15.0%0.6%0.6 $0.98 5/15/2025191,200 shares $187.32 thousand -1.5%0.7%0.8 $0.98 4/30/2025194,100 shares $209.63 thousand -45.9%0.7%0.8 $1.08 4/15/2025358,500 shares $372.84 thousand -27.4%1.2%1.4 $1.04 3/31/2025493,800 shares $557.99 thousand -5.1%1.7%1.8 $1.13 3/15/2025520,300 shares $884.51 thousand +13.1%1.8%1.7 $1.70 Get the Latest News and Ratings for RMTI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rockwell Medical and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025460,000 shares $768.20 thousand +4.8%1.6%1.4 $1.67 2/15/2025438,800 shares $811.78 thousand -13.0%1.6%1.1 $1.85 1/31/2025504,200 shares $1.03 million -12.2%1.8%0.8 $2.04 1/15/2025574,100 shares $1.20 million -7.0%2.1%0.8 $2.09 12/31/2024617,500 shares $1.26 million -28.5%2.2%0.9 $2.04 12/15/2024863,900 shares $1.76 million -12.4%3.1%1.2 $2.04 11/30/2024985,800 shares $2.26 million -12.0%3.5%1.2 $2.29 11/15/20241,120,000 shares $2.64 million +25.3%4.0%1.4 $2.36 10/31/2024893,900 shares $3.26 million +8.6%3.3%1.5 $3.65 10/15/2024823,400 shares $2.83 million +56.2%3.0%1.6 $3.44 9/30/2024527,000 shares $2.09 million +32.6%1.9%1.1 $3.97 9/15/2024397,500 shares $1.54 million +23.6%1.5%1 $3.88 8/31/2024321,500 shares $919.49 thousand -25.2%1.2%0.9 $2.86 8/15/2024429,500 shares $1.10 million -11.5%1.6%1.8 $2.56 7/31/2024485,400 shares $888.28 thousand -18.7%1.6%2.8 $1.83 7/15/2024596,800 shares $1.28 million -19.4%2.0%3.6 $2.15 6/30/2024740,100 shares $1.30 million +5.7%2.5%4.5 $1.76 6/15/2024699,900 shares $1.29 million +3.9%2.4%3.7 $1.85 5/31/2024673,800 shares $1.18 million +6.5%2.3%3.2 $1.76 5/15/2024632,600 shares $1.08 million +2.5%2.1%3.1 $1.71 4/30/2024617,300 shares $901.26 thousand -3.3%2.1%3 $1.46 4/15/2024638,500 shares $973.71 thousand -5.5%2.4%3 $1.53 3/31/2024675,700 shares $1.12 million +18.7%2.5%2.9 $1.66 3/15/2024569,500 shares $797.30 thousand -9.4%2.2%2.3 $1.40 2/29/2024628,700 shares $886.47 thousand +1.7%2.5%2.7 $1.41 2/15/2024618,500 shares $859.72 thousand +14.7%2.5%2.7 $1.39 1/31/2024539,400 shares $712.01 thousand -10.2%2.2%2.2 $1.32 1/15/2024600,900 shares $925.39 thousand +2.1%2.4%2.4 $1.54 12/31/2023588,700 shares $1.11 million -23.2%2.4%2.2 $1.89 12/15/2023766,700 shares $1.34 million -5.6%3.1%3 $1.75Alex’s “Next Magnificent Seven” stocks (Ad)The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.Watch the “Next Magnificent Seven” presentation here 11/30/2023811,800 shares $1.45 million -8.2%3.3%3 $1.79 11/15/2023884,600 shares $1.95 million -11.2%3.6%3.2 $2.21 10/31/2023996,200 shares $1.77 million +8.4%4.0%2.8 $1.78 10/15/2023918,800 shares $1.81 million +12.9%3.7%1.9 $1.97 9/30/2023813,600 shares $1.69 million -8.5%3.3%1 $2.08 9/15/2023888,800 shares $1.84 million -20.6%3.6%0.8 $2.08 8/31/20231,120,000 shares $2.61 million -13.2%5.3%1 $2.33 8/15/20231,290,000 shares $3.56 million -15.7%6.1%1 $2.76 7/31/20231,530,000 shares $5.46 million +16.8%15.0%1.3 $3.57 7/15/20231,310,000 shares $4.18 million +81.6%12.8%1.3 $3.19 6/30/2023721,200 shares $3.94 million +156.8%7.1%1.1 $5.46 6/15/2023280,800 shares $1.20 million +621.9%2.7%0.8 $4.28 5/31/202338,900 shares $129.15 thousand -35.8%0.4%0.2 $3.32 5/15/202360,600 shares $146.05 thousand -8.2%0.6%0.4 $2.41 4/30/202366,000 shares $182.16 thousand -38.3%0.7%0.3 $2.76 4/15/2023106,900 shares $212.73 thousand -24.4%1.1%0.4 $1.99 3/31/2023141,400 shares $255.93 thousand -24.4%1.4%0.5 $1.81 3/15/2023187,000 shares $239.36 thousand +21.9%2.1%0.6 $1.28 2/28/2023153,400 shares $251.58 thousand -17.4%1.7%0.5 $1.64 2/15/2023185,600 shares $486.27 thousand +108.3%2.0%0.7 $2.62 1/31/202389,100 shares $132.76 thousand +15.6%0.8%0.4 $1.49 1/15/202377,100 shares $145.72 thousand +2.9%0.7%0.8 $1.89 12/30/202274,900 shares $76.02 thousand -0.7%0.7%1.1 $1.02 12/15/202275,400 shares $76.91 thousand -0.7%0.7%1.3 $1.02 11/30/202275,900 shares $82.73 thousand -40.6%0.7%1.3 $1.09 11/15/2022127,800 shares $168.70 thousand +29.6%1.2%1.9 $1.32 10/31/202298,600 shares $96.30 thousand +0.6%1.0%1.4 $0.98 10/15/202298,000 shares $110.74 thousand +11.0%1.0%1.2 $1.13 9/30/202288,300 shares $116.56 thousand -22.5%0.9%1 $1.32 9/15/2022114,000 shares $182.40 thousand +13.6%1.2%1.2 $1.60 8/31/2022100,400 shares $181.72 thousand -55.9%1.0%1.1 $1.81 8/15/2022227,400 shares $479.81 thousand +44.5%2.3%2.4 $2.11 7/31/2022157,400 shares $223.51 thousand -19.9%1.8%1.8 $1.42 7/15/2022196,600 shares $239.85 thousand -4.9%2.3%2.6 $1.22 6/30/2022206,800 shares $266.77 thousand -25.2%2.6%3.1 $1.29 6/15/2022276,400 shares $364.85 thousand +14.0%3.5%4.1 $1.32 5/31/2022242,400 shares $397.54 thousand -40.6%3.1%3.9 $1.64 5/15/2022408,100 shares $824.36 thousand -79.2%5.7%8.1 $2.02 4/30/20221,960,000 shares $642.88 thousand -8.0%2.5%4.7 $0.33 4/15/20222,130,000 shares $807.91 thousand -1.4%2.7%4.2 $0.38 3/31/20222,160,000 shares $1.02 million +0.9%2.5%1.3 $0.47 3/15/20222,140,000 shares $710.48 thousand -3.6%2.5%1.3 $0.33 2/28/20222,220,000 shares $748.14 thousand -3.9%2.6%1.3 $0.34 2/15/20222,310,000 shares $808.73 thousand -1.3%2.7%1.3 $0.35 1/31/20222,340,000 shares $962.21 thousand +48.1%2.7%1 $0.41 1/15/20221,580,000 shares $739.44 thousand -12.7%2.4%0.7 $0.47 12/31/20211,810,000 shares $742.10 thousand -17.4%2.8%1.5 $0.41 12/15/20212,190,000 shares $886.95 thousand +2.3%3.4%1.9 $0.41 11/30/20212,140,000 shares $909.50 thousand -7.4%3.3%2 $0.43 11/15/20212,310,000 shares $1.18 million -2.5%3.6%2.2 $0.51Alex’s “Next Magnificent Seven” stocks (Ad)The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.Watch the “Next Magnificent Seven” presentation here 10/29/20212,370,000 shares $1.27 million -13.2%3.7%4.4 $0.54 10/15/20212,730,000 shares $1.64 million -22.4%4.2%5 $0.60 9/30/20213,520,000 shares $2.10 million -17.6%5.5%6.4 $0.60 9/15/20214,270,000 shares $2.64 million -10.7%6.6%5.2 $0.62 8/31/20214,780,000 shares $3.17 million +2.8%7.4%5.1 $0.66 8/13/20214,650,000 shares $3.03 million +3.8%7.2%4.7 $0.65 7/30/20214,480,000 shares $3.27 million -15.2%7.0%4.3 $0.73 7/15/20215,280,000 shares $4.07 million +5.0%8.2%4 $0.77 6/30/20215,030,000 shares $4.58 million -38.7%7.8%3.6 $0.91 6/15/20218,200,000 shares $7.52 million +6.9%12.7%6.3 $0.92 5/28/20217,670,000 shares $6.67 million -6.2%11.9%5.3 $0.87 5/14/20218,180,000 shares $7.37 million -5.0%N/A5.5 $0.90 4/30/20218,610,000 shares $8.49 million -3.5%N/A4.2 $0.99 4/15/20218,920,000 shares $8.92 million +18.2%N/A4.2 $1.00 3/31/20217,550,000 shares $8.38 million +13.0%N/A3.6 $1.11 3/15/20216,680,000 shares $8.95 million +11.5%N/A3.2 $1.34 2/26/20215,990,000 shares $8.39 million +13.7%N/A3 $1.40 2/12/20215,270,000 shares $8.96 million +145.1%N/A2.7 $1.70 1/29/20212,150,000 shares $2.75 million +83.8%N/A1.3 $1.28 1/15/20211,170,000 shares $1.43 million -12.0%N/A0.8 $1.22 12/31/20201,330,000 shares $1.32 million -42.4%N/A1.1 $0.99 12/15/20202,310,000 shares $2.61 million -8.0%N/A1.8 $1.13 11/30/20202,510,000 shares $2.64 million +2.0%N/A1.2 $1.05 11/15/20202,460,000 shares $2.32 million -19.6%N/A1.2 $0.94 10/30/20203,060,000 shares $2.66 million -21.7%N/A1.6 $0.87 10/15/20203,910,000 shares $4.26 million -7.4%N/A2.2 $1.09 9/30/20204,220,000 shares $4.52 million -34.5%6.8%2.4 $1.07 9/15/20206,440,000 shares $7.86 million +1.4%10.4%4.2 $1.22 8/31/20206,350,000 shares $8.32 million +3.1%10.2%7.7 $1.31 RMTI Short Interest - Frequently Asked Questions What is Rockwell Medical's current short interest? Short interest is the volume of Rockwell Medical shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 101,700 shares of RMTI short. 0.35% of Rockwell Medical's shares are currently sold short. Learn More on Rockwell Medical's current short interest. Which institutional investors are shorting Rockwell Medical? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Rockwell Medical: Group One Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Rockwell Medical? 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. 0.35% of Rockwell Medical's floating shares are currently sold short. Is Rockwell Medical's short interest increasing or decreasing? Rockwell Medical saw a decrease in short interest in July. As of July 31st, there was short interest totaling 101,700 shares, a decrease of 33.2% from the previous total of 152,300 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 Rockwell Medical's float size? Rockwell Medical currently has issued a total of 34,430,000 shares. Some of Rockwell Medical's 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. Rockwell Medical currently has a public float of 28,720,000 shares. How does Rockwell Medical's short interest compare to its competitors? 0.35% of Rockwell Medical's shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to Rockwell Medical: ReShape Lifesciences Inc. (9.54%), Abbott Laboratories (1.06%), Intuitive Surgical, Inc. (1.21%), Boston Scientific Corporation (1.10%), Stryker Corporation (1.37%), Medtronic PLC (0.91%), Becton, Dickinson and Company (1.92%), IDEXX Laboratories, Inc. (3.13%), Edwards Lifesciences Corporation (1.39%), ResMed Inc. (6.20%), 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), MicroStrategy Incorporated ($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 Rockwell Medical stock? Short selling RMTI is an investing strategy that aims to generate trading profit from Rockwell Medical as its price is falling. RMTI shares are trading up $0.11 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 Rockwell Medical? A short squeeze for Rockwell Medical 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 RMTI, which in turn drives the price of the stock up even further. How often is Rockwell Medical'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 RMTI, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies RSLS Short Squeeze ABT Short Squeeze ISRG Short Squeeze BSX Short Squeeze SYK Short Squeeze MDT Short Squeeze BDX Short Squeeze IDXX Short Squeeze EW Short Squeeze RMD Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:RMTI) was last updated on 8/21/2025 by MarketBeat.com Staff From Our PartnersAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...The Oxford Club | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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