This company has been marked as potentially delisted and may not be actively trading. Alpine Immune Sciences (ALPN) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Alpine Immune Sciences Short Interest DataAlpine Immune Sciences (ALPN) has a short interest of 3.89 million shares. This marks a -17.93% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.7, indicating that it would take 1.7 days of the average trading volume of 1.92 million shares to cover all short positions.Current Short Interest3,890,000 sharesPrevious Short Interest4,740,000 sharesChange Vs. Previous Month-17.93%Dollar Volume Sold Short$251.26 millionShort Interest Ratio1.7 Days to CoverLast Record DateApril 30, 2024Outstanding Shares68,598,000 sharesPercentage of Shares Shorted5.67%Today's Trading Volume2 sharesAverage Trading Volume1,917,072 sharesToday's Volume Vs. Average0% Short Selling Alpine Immune Sciences? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartALPN Short Interest Over TimeALPN Days to Cover Over TimeALPN Percentage of Float Shorted Over Time Alpine Immune Sciences Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20243,890,000 shares $251.26 million -17.9%N/A1.7 $64.59 4/15/20244,740,000 shares $305.35 million -10.2%N/A2.1 $64.42 3/31/20245,280,000 shares $209.30 million -5.9%N/A4.4 $39.64 3/15/20245,610,000 shares $204.09 million +26.6%N/A5.1 $36.38 2/29/20244,430,000 shares $156.02 million +9.9%N/A4.4 $35.22 2/15/20244,030,000 shares $120.42 million +20.7%N/A4.3 $29.88 1/31/20243,340,000 shares $88.88 million +38.6%N/A3.6 $26.61 1/15/20242,410,000 shares $49.28 million -39.5%N/A3.1 $20.45 12/31/20233,980,000 shares $75.86 million +32.7%N/A5 $19.06 12/15/20233,000,000 shares $56.70 million -9.6%N/A4 $18.90 Get the Latest News and Ratings for ALPN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alpine Immune Sciences and its competitors with MarketBeat's FREE daily newsletter. 11/30/20233,320,000 shares $51.46 million -23.7%N/A5.1 $15.50 11/15/20234,350,000 shares $54.94 million +51.0%N/A7.5 $12.63 10/31/20232,880,000 shares $29.49 million +31.5%N/A5.6 $10.24 10/15/20232,190,000 shares $22.47 million -21.8%N/A6.8 $10.26 9/30/20232,800,000 shares $32.06 million +6.9%N/A11 $11.45 9/15/20232,620,000 shares $32.93 million +4.0%N/A11.3 $12.57 8/31/20232,520,000 shares $31.12 million +28.6%N/A10.8 $12.35 8/15/20231,960,000 shares $26.46 million +31.5%N/A8.9 $13.50 7/31/20231,490,000 shares $18.68 million +0.7%N/A6.5 $12.54 7/15/20231,480,000 shares $16.32 million -3.3%N/A7.8 $11.03 6/30/20231,530,000 shares $15.73 million +26.5%N/A8.9 $10.28 6/15/20231,210,000 shares $13.19 million +1.7%N/A7.2 $10.90 5/31/20231,190,000 shares $11.85 million +3.5%N/A10.3 $9.96 5/15/20231,150,000 shares $9.97 million +8.5%N/A10.7 $8.67 4/30/20231,060,000 shares $7.94 million +1.9%N/A14.8 $7.49 4/15/20231,040,000 shares $7.60 million -1.0%N/A13.3 $7.31 3/31/20231,050,000 shares $8.11 million +17.6%N/A12.5 $7.72 3/15/2023892,900 shares $7.18 million +10.8%N/A9.7 $8.04 2/28/2023805,900 shares $6.42 million +8.7%N/A7.5 $7.97 2/15/2023741,100 shares $6.24 million -2.8%N/A6.7 $8.42 1/31/2023762,700 shares $6.41 million -6.6%N/A6.7 $8.40 1/15/2023816,200 shares $7.14 million -65.0%N/A6.6 $8.75 12/30/20222,330,000 shares $17.13 million -0.4%N/A19 $7.35 12/15/20222,340,000 shares $15.28 million +6.4%N/A18.4 $6.53 11/30/20222,200,000 shares $13.82 million +4.3%N/A19.4 $6.28 11/15/20222,110,000 shares $13.19 million +11.6%N/A19.4 $6.25 10/31/20221,890,000 shares $11.17 million +2.7%N/A19.5 $5.91 10/15/20221,840,000 shares $13.06 million +12.9%N/A20.2 $7.10 9/30/20221,630,000 shares $11.74 million +19.0%N/A20.7 $7.20 9/15/20221,370,000 shares $11.10 million -2.1%7.0%17.6 $8.10New Rule Hits in July — The Smart Money Already Moved (Ad)A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how 8/31/20221,400,000 shares $10.51 million No Change10.4%20.8 $7.51 8/15/20221,400,000 shares $12.15 million +0.7%10.4%16.5 $8.68 7/31/20221,390,000 shares $11.05 million -0.7%11.4%14.7 $7.95 7/15/20221,400,000 shares $12.60 million +0.7%11.4%14.4 $9.00 6/30/20221,390,000 shares $11.83 million -6.1%11.3%12.8 $8.51 6/15/20221,480,000 shares $12.71 million +4.2%12.1%12.6 $8.59 5/31/20221,420,000 shares $13.21 million No Change11.6%13.3 $9.30 5/15/20221,420,000 shares $10.72 million -0.7%11.6%13.4 $7.55 4/30/20221,430,000 shares $13.16 million +7.5%10.2%12.1 $9.20 4/15/20221,330,000 shares $10.64 million -2.2%9.5%11.2 $8.00 3/31/20221,360,000 shares $12.20 million -2.2%9.7%11.3 $8.97 3/15/20221,390,000 shares $10.65 million +1.5%10.3%10.5 $7.66 2/28/20221,370,000 shares $11.29 million +21.2%10.2%10.4 $8.24 2/15/20221,130,000 shares $8.99 million +4.6%8.4%8.9 $7.96 1/31/20221,080,000 shares $9.18 million +1.9%8.0%10.3 $8.50 1/15/20221,060,000 shares $11.03 million +3.9%7.8%10.2 $10.41 12/31/20211,020,000 shares $14.13 million +118.0%7.5%10.9 $13.85 12/15/2021467,800 shares $5.86 million +23.9%3.5%4.8 $12.53 11/30/2021377,700 shares $4.09 million -7.2%2.8%4.3 $10.83 11/15/2021407,200 shares $5.39 million +2.0%3.0%4.4 $13.24 10/29/2021399,100 shares $5.05 million -4.4%4.4%4.9 $12.65 10/15/2021417,600 shares $4.75 million -11.9%4.6%5.1 $11.38 9/30/2021474,200 shares $5.06 million -27.6%5.2%5.3 $10.67 9/15/2021654,800 shares $6.42 million -14.7%6.4%6.2 $9.81 8/31/2021767,400 shares $7.30 million -4.4%7.6%7.2 $9.51 8/13/2021802,300 shares $7.42 million +1.9%8.1%6.7 $9.25 7/30/2021787,100 shares $6.96 million +1.7%7.9%5.8 $8.84 7/15/2021774,200 shares $6.46 million -9.0%6.0%5.6 $8.35 6/30/2021850,700 shares $7.66 million +47.0%6.5%6.3 $9.00 6/15/2021578,700 shares $5.38 million -6.2%4.5%5.4 $9.29 5/28/2021616,800 shares $6.58 million -2.2%4.8%6 $10.66 5/14/2021630,700 shares $7.24 million +0.6%6.4%5.7 $11.48 4/30/2021626,700 shares $8.05 million +4.2%4.6%5.8 $12.84 4/15/2021601,700 shares $6.78 million -6.6%4.4%5.1 $11.26 3/31/2021644,300 shares $6.55 million +17.6%3.9%5.1 $10.17 3/15/2021548,000 shares $7.30 million +42.2%4.3%3.9 $13.33 2/26/2021385,500 shares $4.40 million +2.2%3.0%2.6 $11.41 2/12/2021377,200 shares $4.91 million +20.9%3.0%2.9 $13.03 1/29/2021311,900 shares $3.68 million -1.7%2.5%2.7 $11.81 1/15/2021317,400 shares $4.41 million +502.3%2.5%3.3 $13.89 12/31/202052,700 shares $661.91 thousand +86.9%0.4%0.7 $12.56 12/15/202028,200 shares $377.88 thousand +4.8%0.2%0.4 $13.40 11/30/202026,900 shares $264.70 thousand +5.5%0.2%0.6 $9.84 11/15/202025,500 shares $208.59 thousand -22.5%0.2%0.6 $8.18 10/30/202032,900 shares $252.67 thousand +29.5%0.3%0.7 $7.68 10/15/202025,400 shares $217.17 thousand -5.2%0.2%0.4 $8.55 9/30/202026,800 shares $235.57 thousand +230.9%0.2%0.4 $8.79 9/15/20208,100 shares $67.07 thousand +14.1%0.1%0.1 $8.28 8/31/20207,100 shares $57.94 thousand -62.8%0.1%0 $8.16 8/14/202019,100 shares $179.73 thousand +27.3%0.2%0 $9.41New Rule Hits in July — The Smart Money Already Moved (Ad)A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Street and the Big Banks… It gives them the green light to treat a certain tangible asset as equivalent to cold, hard cash. Not stocks. Not real estate. And definitely not the U.S. dollar. We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how 7/31/202015,000 shares $172.50 thousand +167.9%0.2%0 $11.50 7/15/20205,600 shares $52.58 thousand -87.6%0.1%0 $9.39 6/30/202045,200 shares $405.90 thousand +250.4%0.5%0.1 $8.98 ALPN Short Interest - Frequently Asked Questions What is Alpine Immune Sciences' current short interest? Short interest is the volume of Alpine Immune Sciences shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 3,890,000 shares of ALPN short. Learn More on Alpine Immune Sciences' current short interest. What is a good short interest ratio for Alpine Immune Sciences? 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. ALPN shares currently have a short interest ratio of 2.0. Learn More on Alpine Immune Sciences's short interest ratio. Is Alpine Immune Sciences' short interest increasing or decreasing? Alpine Immune Sciences saw a decline in short interest in April. As of April 30th, there was short interest totaling 3,890,000 shares, a decline of 17.9% from the previous total of 4,740,000 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. How does Alpine Immune Sciences' short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Alpine Immune Sciences: Summit Therapeutics Inc. (28.33%), Genmab A/S (0.40%), Intra-Cellular Therapies, Inc. (2.58%), Dr. Reddy's Laboratories Limited (1.74%), United Therapeutics Co. (4.27%), Ascendis Pharma A/S (9.28%), BioMarin Pharmaceutical Inc. (2.22%), Viatris Inc. (4.33%), Blueprint Medicines Co. (9.93%), BridgeBio Pharma, Inc. (15.35%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: T-Mobile US, Inc. ($3.98 billion), Occidental Petroleum Corporation ($3.35 billion), Charter Communications, Inc. ($3.06 billion), General Motors Company ($2.88 billion), Moderna, Inc. ($2.32 billion), Tractor Supply Company ($2.27 billion), Royal Caribbean Cruises Ltd. ($2.22 billion), Coinbase Global, Inc. ($2.18 billion), Williams-Sonoma, Inc. ($1.95 billion), and Chesapeake Energy Co. ($1.52 billion). View all of the most shorted stocks. What does it mean to sell short Alpine Immune Sciences stock? Short selling ALPN is an investing strategy that aims to generate trading profit from Alpine Immune Sciences 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 Alpine Immune Sciences? A short squeeze for Alpine Immune Sciences 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 ALPN, which in turn drives the price of the stock up even further. How often is Alpine Immune Sciences' 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 ALPN, twice per month. The most recent reporting period available is April, 30 2024. More Short Interest Resources from MarketBeat Related Companies SMMT Short Interest Data GMAB Short Interest Data ITCI Short Interest Data RDY Short Interest Data UTHR Short Interest Data ASND Short Interest Data BMRN Short Interest Data VTRS Short Interest Data BPMC Short Interest Data BBIO 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:ALPN) was last updated on 6/18/2025 by MarketBeat.com Staff From Our PartnersWhen This Happens, You Don’t Wait. You Act.This same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredAn AI run of epic proportions is only getting startedI just put together an urgent new presentation that you need to see right away. 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