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Rockwell Medical (RMTI) Short Interest Ratio & Short Volume

Rockwell Medical logo
$0.78 -0.03 (-3.58%)
Closing price 04:00 PM Eastern
Extended Trading
$0.79 +0.01 (+0.64%)
As of 07:55 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 Massive. Learn more.
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Rockwell Medical Short Interest Overview

As of April 15, 2026, Rockwell Medical (RMTI) had a short interest of 990,637 shares sold short, representing 2.61% of the public float. This marks a 33.29% increase in short interest since the prior report. The short interest ratio (days to cover) is 6.0, meaning it would take 6.0 days of the average trading volume of 236,846 shares to cover all short positions.

Current Short Interest
990,637 shares
Previous Short Interest
743,232 shares
Change Vs. Previous Month
33.29%
Dollar Volume Sold Short
$908.51 thousand
Short Interest Ratio
6.0 Days to Cover
Last Record Date
April 15, 2026
Outstanding Shares
39,400,000 shares
Short Percent of Float
2.61%
Today's Trading Volume
550,418 shares
Average Trading Volume
236,846 shares
Today's Volume Vs. Average
232%
Short Selling Rockwell Medical?
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

RMTI Short Interest Over Time

RMTI Days to Cover Over Time

RMTI Percentage of Float Shorted Over Time

Rockwell Medical Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
4/15/2026990,637 shares $908.51 thousand +33.3%2.6%5.97 $0.92
3/31/2026743,232 shares $663.85 thousand -19.0%2.0%2.18 $0.89
3/13/2026917,373 shares $822.06 thousand +7.3%2.4%3.46 $0.90
2/27/2026854,903 shares $769.93 thousand +4.4%2.2%3.46 $0.90
2/13/2026818,620 shares $826.81 thousand +19.3%2.1%2.94 $1.01
1/30/2026686,242 shares $734.28 thousand +18.2%1.8%0.24 $1.07
1/15/2026580,562 shares $551.65 thousand -32.0%1.5%2.84 $0.95
12/31/2025853,816 shares $711.66 thousand +44.1%2.2%3.26 $0.83
12/15/2025592,459 shares $511.11 thousand -33.4%1.5%2.87 $0.86
11/28/2025888,853 shares $872.85 thousand -6.5%2.3%3.54 $0.98
11/14/2025950,566 shares $873.67 thousand -8.0%2.9%2.05 $0.92
10/31/20251,033,506 shares $1.15 million -4.4%3.1%2.63 $1.11
10/15/20251,080,000 shares $1.30 million -18.2%3.7%0.8 $1.20
9/30/20251,320,000 shares $1.58 million -14.8%4.6%0.9 $1.20
9/15/20251,550,000 shares $2.57 million +52.0%5.4%1.1 $1.66
8/31/20251,020,000 shares $1.74 million +482.5%3.5%0.9 $1.71
8/15/2025175,100 shares $178.60 thousand +72.2%0.6%0.4 $1.02
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
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 $1.75
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 $0.51
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

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 April 15th, investors have sold 990,637 shares of RMTI short. 2.61% of Rockwell Medical's shares are currently sold short. Learn More on Rockwell Medical's current short interest.

What is a good short interest ratio for Rockwell Medical?

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. RMTI shares currently have a short interest ratio of 6.0. Learn More on Rockwell Medical's short interest ratio.

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. 2.61% of Rockwell Medical's floating shares are currently sold short.

Is Rockwell Medical's short interest increasing or decreasing?

Rockwell Medical saw a increase in short interest during the month of April. As of April 15th, there was short interest totaling 990,637 shares, an increase of 33.3% from the previous total of 743,232 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 Rockwell Medical's short interest compare to its competitors?

2.61% of Rockwell Medical's shares are currently sold short. Here is how the short interest of companies compare to Rockwell Medical: Accuray Incorporated (6.96%), Intuitive Surgical, Inc. (1.89%), Abbott Laboratories (1.25%), Stryker Corporation (1.29%), Medtronic PLC (1.21%), Boston Scientific Corporation (1.73%), Edwards Lifesciences Corporation (1.62%), IDEXX Laboratories, Inc. (2.62%), Becton, Dickinson and Company (2.54%), ResMed Inc. (7.94%),

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 ($87.50 billion), Invesco QQQ ($42.26 billion), iShares Russell 2000 ETF ($24.79 billion), Salesforce Inc. ($13.16 billion), SPDR S&P Biotech ETF ($10.01 billion), Western Digital Corporation ($9.77 billion), Sandisk Corporation ($8.69 billion), iShares 20+ Year Treasury Bond ETF ($8.06 billion), CoreWeave Inc. ($7.67 billion), and iShares iBoxx $ High Yield Corporate Bond ETF ($7.64 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 down $0.03 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 April, 15 2026.

What do RMTI's short interest metrics mean?

Understanding short interest metrics can help you assess how traders are positioning around a stock like RMTI:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.



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This page (NASDAQ:RMTI) was last updated on 5/7/2026 by MarketBeat.com Staff.
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