This company has been marked as potentially delisted and may not be actively trading. Acelyrin (SLRN) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsEarningsHeadlinesInsider TradesOwnershipShort InterestTrendsBuy This Stock Acelyrin Short Interest DataAcelyrin (SLRN) has a short interest of 3.57 million shares, representing 4.87% of the float (the number of shares available for trading by the public). This marks a -3.25% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.9, indicating that it would take 1.9 days of the average trading volume of 1.29 million shares to cover all short positions.Current Short Interest3,570,000 sharesPrevious Short Interest3,690,000 sharesChange Vs. Previous Month-3.25%Dollar Volume Sold Short$8.82 millionShort Interest Ratio1.9 Days to CoverLast Record DateApril 30, 2025Outstanding Shares100,954,000 sharesFloat Size73,310,000 sharesShort Percent of Float4.87%Today's Trading Volume0 sharesAverage Trading Volume1,286,032 sharesToday's Volume Vs. Average0% Short Selling Acelyrin? Sign up to receive the latest short interest report for Acelyrin and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSLRN Short Interest Over TimeSLRN Days to Cover Over TimeSLRN Percentage of Float Shorted Over Time Acelyrin Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20253,570,000 shares $8.82 million -3.3%4.9%1.9 $2.47 4/15/20253,690,000 shares $8.23 million +1.1%5.0%2 $2.23 3/31/20253,650,000 shares $9.02 million -22.0%5.0%1.7 $2.47 3/15/20254,680,000 shares $12.87 million +8.8%6.4%2.2 $2.75 2/28/20254,300,000 shares $11.52 million -8.9%5.9%2 $2.68 2/15/20254,720,000 shares $10.05 million -19.6%6.5%2.4 $2.13 1/31/20255,870,000 shares $11.56 million -10.1%8.1%4.3 $1.97 1/15/20256,530,000 shares $13.19 million +6.4%8.9%6.9 $2.02 12/31/20246,140,000 shares $19.28 million +2.5%8.4%6.8 $3.14 12/15/20245,990,000 shares $19.35 million +4.7%8.2%9.7 $3.23 Get the Latest News and Ratings for SLRN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Acelyrin and its competitors with MarketBeat's FREE daily newsletter. 11/30/20245,720,000 shares $26.03 million -0.2%7.8%8.7 $4.55 11/15/20245,730,000 shares $26.87 million +21.9%7.9%8.4 $4.69 10/31/20244,700,000 shares $26.70 million -8.9%6.3%5.2 $5.68 10/15/20245,160,000 shares $29.52 million -19.3%8.0%5.1 $5.72 9/30/20246,390,000 shares $31.50 million +4.9%9.9%5.9 $4.93 9/15/20246,090,000 shares $28.62 million -15.4%9.5%5.1 $4.70 8/31/20247,200,000 shares $34.42 million +3.9%11.2%6.7 $4.78 8/15/20246,930,000 shares $27.58 million -4.0%10.8%6 $3.98 7/31/20247,220,000 shares $43.32 million +6.0%11.5%7.6 $6.00 7/15/20246,810,000 shares $41.75 million -4.0%10.8%7.2 $6.13 6/30/20247,090,000 shares $31.27 million +1.6%11.3%7.9 $4.41 6/15/20246,980,000 shares $29.18 million +1.9%11.1%7.6 $4.18 5/31/20246,850,000 shares $28.22 million -2.4%10.9%5.9 $4.12 5/15/20247,020,000 shares $33.27 million -17.7%11.2%6.1 $4.74 4/30/20248,530,000 shares $35.66 million +8.7%13.9%6.9 $4.18 4/15/20247,850,000 shares $43.33 million -1.3%12.8%6.3 $5.52 3/31/20247,950,000 shares $53.66 million -5.5%13.0%6.3 $6.75 3/15/20248,410,000 shares $65.93 million +21.4%14.0%6.8 $7.84 2/29/20246,930,000 shares $58.56 million +3.6%11.5%6.1 $8.45 2/15/20246,690,000 shares $50.38 million +3.7%11.1%5.6 $7.53 1/31/20246,450,000 shares $49.15 million No Change10.5%5.5 $7.62 SLRN Short Interest - Frequently Asked Questions What is Acelyrin's current short interest? Short interest is the volume of Acelyrin shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 3,570,000 shares of SLRN short. 4.87% of Acelyrin's shares are currently sold short. Learn More on Acelyrin's current short interest. What is a good short interest ratio for Acelyrin? 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. SLRN shares currently have a short interest ratio of 2.0. Learn More on Acelyrin's short interest ratio. What is a good short interest percentage for Acelyrin? 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. 4.87% of Acelyrin's floating shares are currently sold short. Is Acelyrin's short interest increasing or decreasing? Acelyrin saw a decrease in short interest in the month of April. As of April 30th, there was short interest totaling 3,570,000 shares, a decrease of 3.3% from the previous total of 3,690,000 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 Acelyrin's float size? Acelyrin currently has issued a total of 100,954,000 shares. Some of Acelyrin'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. Acelyrin currently has a public float of 73,310,000 shares. How does Acelyrin's short interest compare to its competitors? 4.87% of Acelyrin's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Acelyrin: Urogen Pharma (15.76%), Iovance Biotherapeutics, Inc. (36.34%), Mineralys Therapeutics, Inc. (19.37%), Sana Biotechnology, Inc. (27.79%), Zymeworks Inc. (3.24%), Oric Pharmaceuticals, Inc. (14.42%), Trevi Therapeutics, Inc. (8.17%), Syndax Pharmaceuticals, Inc. (27.50%), LENZ Therapeutics, Inc. (16.99%), Nurix Therapeutics, Inc. (18.25%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Corporation ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Acelyrin stock? Short selling SLRN is an investing strategy that aims to generate trading profit from Acelyrin 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 Acelyrin? A short squeeze for Acelyrin occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of SLRN, which in turn drives the price of the stock up even further. How often is Acelyrin'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 SLRN, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies URGN Short Squeeze IOVA Short Squeeze MLYS Short Squeeze SANA Short Squeeze ZYME Short Squeeze ORIC Short Squeeze TRVI Short Squeeze SNDX Short Squeeze LENZ Short Squeeze NRIX 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:SLRN) was last updated on 8/13/2025 by MarketBeat.com Staff From Our PartnersYour blueprint for crypto wealthMark August 12th on your calendar. 27 of crypto's most successful minds are about to reveal everything…Crypto 101 Media | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredThe Robotics Revolution has arrived … and one $7 stock could take off as a result.Something big is brewing in Washington. 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