This company has been marked as potentially delisted and may not be actively trading. Idera Pharmaceuticals (IDRA) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Idera Pharmaceuticals Short Interest DataIdera Pharmaceuticals (IDRA) has a short interest of 550,300 shares, representing 1.35% of the float (the number of shares available for trading by the public). This marks a -17.62% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.5, indicating that it would take 4.5 days of the average trading volume of 464,030 shares to cover all short positions.Current Short Interest550,300 sharesPrevious Short Interest668,000 sharesChange Vs. Previous Month-17.62%Dollar Volume Sold Short$235,473.37Short Interest Ratio4.5 Days to CoverLast Record DateOctober 31, 2022Outstanding Shares62,355,000 sharesFloat Size40,900,000 sharesShort Percent of Float1.35%Today's Trading Volume21,870 sharesAverage Trading Volume464,030 sharesToday's Volume Vs. Average5% Short Selling Idera Pharmaceuticals? Sign up to receive the latest short interest report for Idera Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIDRA Short Interest Over TimeIDRA Days to Cover Over TimeIDRA Percentage of Float Shorted Over Time Idera Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/31/2022550,300 shares $235,473.37 -17.6%1.4%4.5 $0.43 10/15/2022668,000 shares $248,562.80 -9.8%1.7%5.6 $0.37 9/30/2022740,400 shares $277,279.80 +34.5%1.9%7.1 $0.37 9/15/2022550,600 shares $252,615.28 -27.7%1.4%4.9 $0.46 8/31/2022761,900 shares $380,950.00 +8.8%1.9%5.3 $0.50 8/15/2022700,400 shares $308,876.40 -24.7%1.7%2.9 $0.44 7/31/2022929,900 shares $382,560.86 +0.7%2.3%0.9 $0.41 7/15/2022923,800 shares $398,157.80 -0.9%2.3%0.9 $0.43 6/30/2022932,400 shares $427,971.60 -14.5%2.3%0.9 $0.46 6/15/20221,090,000 shares $530,939.00 -37.7%4.9%1 $0.49 Get the Latest News and Ratings for IDRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Idera Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 5/31/20221,750,000 shares $1.22 million +1,141.1%4.2%1.7 $0.70 5/15/2022141,000 shares $49,448.70 -11.5%0.3%0.1 $0.35 4/30/2022159,400 shares $68,860.80 -61.2%0.4%0.9 $0.43 4/15/2022410,300 shares $188,738.00 -21.5%1.0%2.2 $0.46 3/31/2022522,400 shares $261,200.00 +62.8%N/A0 $0.50 3/15/2022320,800 shares $137,976.08 +26.0%0.8%0.8 $0.43 2/28/2022254,700 shares $110,310.57 -39.6%0.6%0.3 $0.43 2/15/2022421,500 shares $220,486.65 +39.3%1.0%0.4 $0.52 1/31/2022302,700 shares $178,017.87 -52.3%0.7%0.3 $0.59 1/15/2022634,700 shares $415,157.27 +130.3%N/A0.6 $0.65 12/31/2021275,600 shares $157,092.00 -75.8%0.7%0.3 $0.57 12/15/20211,140,000 shares $741,114.00 +588.0%2.8%1.1 $0.65 11/30/2021165,700 shares $107,870.70 -49.7%0.4%0.2 $0.65 11/15/2021329,600 shares $272,315.52 -32.3%0.8%0.7 $0.83 10/29/2021486,700 shares $413,695.00 -4.4%1.2%1 $0.85 10/15/2021508,900 shares $478,366.00 -6.6%1.2%1 $0.94 9/30/2021544,700 shares $561,041.00 -68.3%1.3%1 $1.03 9/15/20211,720,000 shares $1.77 million -25.2%4.2%2.1 $1.03 8/31/20212,300,000 shares $2.51 million -12.9%5.7%1.1 $1.09 8/13/20212,640,000 shares $2.93 million -4.7%6.5%1.2 $1.11 7/30/20212,770,000 shares $2.85 million +10.4%7.2%1.2 $1.03 7/15/20212,510,000 shares $2.54 million -24.9%6.5%1 $1.01 6/30/20213,340,000 shares $4.01 million +2.8%8.7%1.2 $1.20 6/15/20213,250,000 shares $4.00 million -12.2%8.4%1 $1.23 5/28/20213,700,000 shares $4.33 million -0.3%9.6%1.1 $1.17 5/14/20213,710,000 shares $3.75 million +0.3%N/A1.1 $1.01 4/30/20213,700,000 shares $4.37 million -14.0%N/A1.1 $1.18 4/15/20214,300,000 shares $4.86 million -13.8%N/A0 $1.13 3/31/20214,990,000 shares $6.14 million +130.0%N/A1.8 $1.23 3/15/20212,170,000 shares $10.57 million +169.0%N/A1.1 $4.87From Social Security to Social Prosperity? 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Financial insider Jim Rickards calls it “Social Prosperity,” and says those who act now could see the biggest gains.Find out how Trump’s plan could rescue your retirement 2/26/2021806,600 shares $3.44 million +67.5%N/A1.5 $4.26 2/12/2021481,600 shares $2.46 million +26.5%1.8%0.9 $5.11 1/29/2021380,800 shares $2.13 million +23.0%1.4%0.8 $5.59 1/15/2021309,500 shares $1.34 million +16.3%1.2%0.7 $4.33 12/31/2020266,100 shares $1.05 million +34.4%1.1%0.7 $3.94 12/15/2020198,000 shares $829,620.00 -57.3%0.8%0.6 $4.19 11/30/2020463,400 shares $1.99 million +159.6%1.9%1.4 $4.29 11/15/2020178,500 shares $506,940.00 -69.7%0.7%0.6 $2.84 10/30/2020589,700 shares $1.73 million +27.8%2.5%2.5 $2.93 10/15/2020461,600 shares $1.03 million -10.5%1.9%2.3 $2.23 9/30/2020516,000 shares $1.10 million +8.5%2.1%1.6 $2.14 9/15/2020475,800 shares $1.10 million -38.0%2.0%1.4 $2.32 8/31/2020767,900 shares $1.60 million +68.7%3.2%2.5 $2.08 8/14/2020455,300 shares $910,600.00 +9.7%1.8%1.2 $2.00 7/31/2020415,000 shares $825,850.00 -0.1%1.6%1.2 $1.99 7/15/2020415,500 shares $718,815.00 -2.4%1.7%1.2 $1.73 6/30/2020425,900 shares $762,361.00 +3.5%1.7%1.6 $1.79 6/15/2020411,700 shares $790,464.00 -3.5%1.7%1.6 $1.92 5/29/2020426,500 shares $742,110.00 +3.9%1.7%1.7 $1.74 5/15/2020410,700 shares $747,474.00 -2.6%1.7%2.2 $1.82 4/30/2020421,600 shares $817,904.00 -13.8%1.8%2.1 $1.94 IDRA Short Interest - Frequently Asked Questions What is Idera Pharmaceuticals' current short interest? Short interest is the volume of Idera Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of October 31st, investors have sold 550,300 shares of IDRA short. 1.35% of Idera Pharmaceuticals' shares are currently sold short. Learn More on Idera Pharmaceuticals' current short interest. What is a good short interest ratio for Idera Pharmaceuticals? 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. IDRA shares currently have a short interest ratio of 4.0. Learn More on Idera Pharmaceuticals's short interest ratio. What is a good short interest percentage for Idera Pharmaceuticals? 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. 1.35% of Idera Pharmaceuticals' floating shares are currently sold short. Is Idera Pharmaceuticals' short interest increasing or decreasing? Idera Pharmaceuticals saw a drop in short interest in the month of October. As of October 31st, there was short interest totaling 550,300 shares, a drop of 17.6% from the previous total of 668,000 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. What is Idera Pharmaceuticals' float size? Idera Pharmaceuticals currently has issued a total of 62,355,000 shares. Some of Idera Pharmaceuticals' 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. Idera Pharmaceuticals currently has a public float of 40,900,000 shares. How does Idera Pharmaceuticals' short interest compare to its competitors? 1.35% of Idera Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the industry of "biological products, except diagnostic" compare to Idera Pharmaceuticals: Kymera Therapeutics, Inc. (13.52%), BioCryst Pharmaceuticals, Inc. (10.37%), CG Oncology, Inc. (19.74%), Apogee Therapeutics, Inc. (25.93%), Immunocore Holdings plc (15.77%), Mesoblast Limited (2.64%), Adaptive Biotechnologies Co. (7.14%), Iovance Biotherapeutics, Inc. (26.88%), Novavax, Inc. (25.87%), Vir Biotechnology, Inc. (11.55%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Occidental Petroleum Co. ($3.81 billion), Charter Communications, Inc. ($3.04 billion), T. Rowe Price Group, Inc. ($1.98 billion), PG&E Co. ($1.92 billion), Lucid Group, Inc. ($1.90 billion), Coinbase Global, Inc. ($1.75 billion), Roblox Co. ($1.58 billion), Rivian Automotive, Inc. ($1.54 billion), Diamondback Energy, Inc. ($1.53 billion), and Old Dominion Freight Line, Inc. ($1.47 billion). View all of the most shorted stocks. What does it mean to sell short Idera Pharmaceuticals stock? Short selling IDRA is an investing strategy that aims to generate trading profit from Idera Pharmaceuticals as its price is falling. 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 Idera Pharmaceuticals? A short squeeze for Idera Pharmaceuticals 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 IDRA, which in turn drives the price of the stock up even further. How often is Idera Pharmaceuticals' 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 IDRA, twice per month. The most recent reporting period available is October, 31 2022. More Short Interest Resources from MarketBeat Related Companies Kymera Therapeutics Short Squeeze BioCryst Pharmaceuticals Short Squeeze CG Oncology Short Squeeze Apogee Therapeutics Short Squeeze Immunocore Short Squeeze Mesoblast Short Squeeze Adaptive Biotechnologies Short Squeeze Iovance Biotherapeutics Short Squeeze Novavax Short Squeeze Vir Biotechnology 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:IDRA) was last updated on 4/28/2025 by MarketBeat.com Staff From Our PartnersURGENT: This Altcoin Opportunity Won’t Wait – Act NowThe July 23rd Crypto Trigger Could Mark the Beginning of Bitcoin’s Next Big Move Bitcoin’s early 2024 ETF r...Crypto Swap Profits | SponsoredCollect $7k per month from Tesla’s SECRET dividendTesla doesn't pay a traditional dividend.... 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