Kiniksa Pharmaceuticals International (KNSA) Short Interest Ratio & Short Volume $29.02 +0.18 (+0.62%) Closing price 04:00 PM EasternExtended Trading$29.05 +0.03 (+0.10%) As of 05:23 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Kiniksa Pharmaceuticals International Short Interest DataKiniksa Pharmaceuticals International (KNSA) has a short interest of 2.07 million shares, representing 6.10% of the float (the number of shares available for trading by the public). This marks a -12.29% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.6, indicating that it would take 2.6 days of the average trading volume of 558,527 shares to cover all short positions.Current Short Interest2,070,000 sharesPrevious Short Interest2,360,000 sharesChange Vs. Previous Month-12.29%Dollar Volume Sold Short$57.28 millionShort Interest Ratio2.6 Days to CoverLast Record DateJune 30, 2025Outstanding Shares72,970,000 sharesShort Percent of Float6.10%Today's Trading Volume841,396 sharesAverage Trading Volume558,527 sharesToday's Volume Vs. Average151% Short Selling Kiniksa Pharmaceuticals International? Sign up to receive the latest short interest report for Kiniksa Pharmaceuticals International and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartKNSA Short Interest Over TimeKNSA Days to Cover Over TimeKNSA Percentage of Float Shorted Over Time Kiniksa Pharmaceuticals International Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/20252,070,000 shares $57.28 million -12.3%6.1%2.6 $27.67 6/15/20252,360,000 shares $66.79 million -13.2%7.0%3.6 $28.30 5/31/20252,720,000 shares $74.61 million -17.8%8.3%4.4 $27.43 5/15/20253,310,000 shares $85.63 million -0.6%10.1%5.1 $25.87 4/30/20253,330,000 shares $89.81 million +0.3%N/A5.1 $26.97 4/15/20253,320,000 shares $70.45 million +6.1%10.1%5.3 $21.22 3/31/20253,130,000 shares $69.52 million +2.0%9.5%5.1 $22.21 3/15/20253,070,000 shares $69.41 million +2.3%9.4%5.3 $22.61 2/28/20253,000,000 shares $60.84 million +1.4%9.1%5.4 $20.28 2/15/20252,960,000 shares $58.43 million +53.4%9.0%6.4 $19.74 Get the Latest News and Ratings for KNSA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kiniksa Pharmaceuticals International and its competitors with MarketBeat's FREE daily newsletter. 1/31/20251,930,000 shares $37.83 million -8.5%N/A4.4 $19.60 1/15/20252,110,000 shares $39.71 million -37.8%N/A5.4 $18.82 12/31/20243,390,000 shares $67.05 million +4.0%N/A10.1 $19.78 12/15/20243,260,000 shares $65.85 million -18.9%N/A10.5 $20.20 11/30/20244,020,000 shares $88.76 million -2.2%N/A11.2 $22.08 11/15/20244,110,000 shares $87.50 million -2.4%N/A11.4 $21.29 10/31/20244,210,000 shares $95.10 million +5.0%N/A11.4 $22.59 10/15/20244,010,000 shares $108.51 million -2.0%N/A10.6 $27.06 9/30/20244,090,000 shares $102.21 million -11.9%N/A8.7 $24.99 9/15/20244,640,000 shares $117.21 million +2.0%N/A9.2 $25.26 8/31/20244,550,000 shares $121.67 million -3.4%N/A9.8 $26.74 8/15/20244,710,000 shares $123.26 million +4.4%N/A10 $26.17 7/31/20244,510,000 shares $119.97 million +14.5%N/A9.7 $26.60 7/15/20243,940,000 shares $85.14 million -13.6%N/A8.6 $21.61 6/30/20244,560,000 shares $85.14 million -2.2%N/A11.9 $18.67 6/15/20244,660,000 shares $87.47 million +13.1%N/A13.2 $18.77 5/31/20244,120,000 shares $78.32 million +3.3%N/A11.7 $19.01 5/15/20243,990,000 shares $80.20 million +2.1%N/A10.5 $20.10 4/30/20243,910,000 shares $73.20 million +7.4%N/A10.1 $18.72 4/15/20243,640,000 shares $63.48 million +13.4%N/A9.9 $17.44 3/31/20243,210,000 shares $63.33 million +11.9%N/A8.5 $19.73 3/15/20242,870,000 shares $57.37 million +3.2%N/A6.9 $19.99 2/29/20242,780,000 shares $58.77 million +3.0%N/A6.2 $21.14 2/15/20242,700,000 shares $54.46 million -2.2%N/A6.3 $20.17 1/31/20242,760,000 shares $48.66 million +5.8%N/A6.2 $17.63 1/15/20242,610,000 shares $49.25 million -9.1%N/A5.4 $18.87 12/31/20232,870,000 shares $50.34 million -12.5%N/A6.1 $17.54 12/15/20233,280,000 shares $59.01 million -4.4%N/A8 $17.99 11/30/20233,430,000 shares $55.46 million +0.6%N/A9.5 $16.17 11/15/20233,410,000 shares $53.64 million +6.2%N/A10.3 $15.73This Could Be the Most Profitable Season of Your Life (Ad)Institutional money is pouring in. 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Join The Crypto Code Workshop + get $10 in Bitcoin for attending 10/31/20233,210,000 shares $48.95 million -17.7%N/A9.5 $15.25 10/15/20233,900,000 shares $63.61 million +0.8%N/A8.8 $16.31 9/30/20233,870,000 shares $67.22 million +1.3%N/A8.2 $17.37 9/15/20233,820,000 shares $65.47 million -0.8%N/A8 $17.14 8/31/20233,850,000 shares $66.34 million -1.5%N/A7.5 $17.23 8/15/20233,910,000 shares $64.91 million +13.7%N/A7.3 $16.60 7/31/20233,440,000 shares $64.81 million +30.8%N/A6.4 $18.84 7/15/20232,630,000 shares $38.21 million -1.1%N/A5.3 $14.53 6/30/20232,660,000 shares $37.45 million -2.9%N/A6.6 $14.08 6/15/20232,740,000 shares $44.83 million +3.4%N/A6.7 $16.36 5/31/20232,650,000 shares $36.73 million -4.7%N/A6.3 $13.86 5/15/20232,780,000 shares $39.89 million -11.5%N/A6.5 $14.35 4/30/20233,140,000 shares $33.76 million +8.3%N/A7.5 $10.75 4/15/20232,900,000 shares $32.92 million -3.7%N/A7.6 $11.35 3/31/20233,010,000 shares $32.39 million +19.4%N/A7.7 $10.76 3/15/20232,520,000 shares $28.78 million -7.4%N/A6.7 $11.42 2/28/20232,720,000 shares $34.98 million -0.4%N/A7.6 $12.86 2/15/20232,730,000 shares $36.80 million -0.7%N/A7.9 $13.48 1/31/20232,750,000 shares $39.77 million -4.8%N/A7.5 $14.46 1/15/20232,890,000 shares $42.05 million +2.5%N/A7.7 $14.55 12/30/20222,820,000 shares $42.24 million +38.2%N/A7.3 $14.98 12/15/20222,040,000 shares $32.19 million -22.7%N/A5.3 $15.78 11/30/20222,640,000 shares $44.43 million -5.4%N/A7.5 $16.83 11/15/20222,790,000 shares $43.97 million +2.2%N/A8.1 $15.76 10/31/20222,730,000 shares $31.18 million +3.0%N/A8.2 $11.42 10/15/20222,650,000 shares $35.96 million -8.0%N/A7.8 $13.57 9/30/20222,880,000 shares $36.98 million +18.5%N/A8.2 $12.84 9/15/20222,430,000 shares $25.44 million +7.5%N/A7.8 $10.47 8/31/20222,260,000 shares $26.49 million +15.3%N/A6.9 $11.72 8/15/20221,960,000 shares $24.42 million +1.6%N/A5.9 $12.46 7/31/20221,930,000 shares $19.13 million -18.2%N/A5.7 $9.91 7/15/20222,360,000 shares $26.55 million -2.9%N/A8.3 $11.25 6/30/20222,430,000 shares $23.55 million -4.7%N/A8.9 $9.69 6/15/20222,550,000 shares $21.78 million +2.4%N/A9.2 $8.54 5/31/20222,490,000 shares $19.07 million +1.6%N/A8.1 $7.66 5/15/20222,450,000 shares $20.14 million +7.0%N/A7.7 $8.22 4/30/20222,290,000 shares $21.37 million -0.9%N/A7.3 $9.33 4/15/20222,310,000 shares $25.94 million -10.5%N/A7 $11.23 3/31/20222,580,000 shares $25.65 million -20.9%N/A7.3 $9.94 3/15/20223,260,000 shares $30.97 million -0.6%N/A8.4 $9.50 2/28/20223,280,000 shares $33.59 million +16.7%N/A8.1 $10.24 2/15/20222,810,000 shares $31.95 million +3.3%N/A6.9 $11.37 1/31/20222,720,000 shares $30.55 million +19.3%8.5%6.8 $11.23 1/15/20222,280,000 shares $25.83 million +0.9%N/A5.3 $11.33 12/31/20212,260,000 shares $26.60 million -15.7%N/A5.6 $11.77 12/15/20212,680,000 shares $35.32 million +10.3%N/A7 $13.18 11/30/20212,430,000 shares $28.24 million +12.0%N/A7.2 $11.62 11/15/20212,170,000 shares $28.28 million -33.0%N/A6.5 $13.03 10/29/20213,240,000 shares $33.66 million +1.6%N/A9.1 $10.39 10/15/20213,190,000 shares $36.53 million -11.6%10.2%7.7 $11.45This Could Be the Most Profitable Season of Your Life (Ad)Institutional money is pouring in. 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Join The Crypto Code Workshop + get $10 in Bitcoin for attending 9/30/20213,610,000 shares $41.12 million -5.0%11.6%8.2 $11.39 9/15/20213,800,000 shares $45.41 million -7.3%12.2%8.3 $11.95 8/31/20214,100,000 shares $51.58 million -12.6%13.2%8.7 $12.58 8/13/20214,690,000 shares $57.41 million -3.9%15.0%9.1 $12.24 7/30/20214,880,000 shares $74.81 million +2.1%15.7%9.9 $15.33 7/15/20214,780,000 shares $64.63 million +2.1%15.4%12.2 $13.52 6/30/20214,680,000 shares $65.19 million +12.0%15.1%11.4 $13.93 6/15/20214,180,000 shares $61.07 million -5.0%13.5%9.4 $14.61 5/28/20214,400,000 shares $59.97 million -5.2%14.2%8.1 $13.63 5/14/20214,640,000 shares $64.17 million +0.7%N/A8.8 $13.83 4/30/20214,610,000 shares $77.82 million +9.0%N/A8.5 $16.88 4/15/20214,230,000 shares $68.70 million +11.9%N/A7.7 $16.24 3/31/20213,780,000 shares $68.38 million +3.6%N/A7.2 $18.09 3/15/20213,650,000 shares $84.75 million -5.7%N/A7.3 $23.22 2/26/20213,870,000 shares $80.57 million +2.1%N/A10.8 $20.82 2/12/20213,790,000 shares $79.21 million +1.3%N/A10.8 $20.90 1/29/20213,740,000 shares $71.21 million -3.9%N/A10.7 $19.04 1/15/20213,890,000 shares $76.13 million -3.5%N/A10.7 $19.57 12/31/20204,030,000 shares $70.77 million +81.5%N/A11.2 $17.56 12/15/20202,220,000 shares $43.23 million -0.9%N/A5.2 $19.48 11/30/20202,240,000 shares $40.90 million -0.9%N/A5.4 $18.26 11/15/20202,260,000 shares $35.37 million -16.0%N/A5.4 $15.65 10/30/20202,690,000 shares $43.04 million +4.3%N/A6.7 $16.00 10/15/20202,580,000 shares $50.08 million -21.8%N/A6.6 $19.41 9/30/20203,300,000 shares $50.56 million +15.8%N/A7.8 $15.32 9/15/20202,850,000 shares $49.42 million -1.0%N/A7.4 $17.34 8/31/20202,880,000 shares $50.89 million +14.3%N/A8 $17.67 8/14/20202,520,000 shares $44.60 million -3.8%N/A7.3 $17.70 7/31/20202,620,000 shares $51.14 million -3.7%N/A7.7 $19.52 KNSA Short Interest - Frequently Asked Questions What is Kiniksa Pharmaceuticals International's current short interest? Short interest is the volume of Kiniksa Pharmaceuticals International shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 2,070,000 shares of KNSA short. 6.10% of Kiniksa Pharmaceuticals International's shares are currently sold short. Learn More on Kiniksa Pharmaceuticals International's current short interest. What is a good short interest ratio for Kiniksa Pharmaceuticals International? 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. KNSA shares currently have a short interest ratio of 3.0. Learn More on Kiniksa Pharmaceuticals International's short interest ratio. Which institutional investors are shorting Kiniksa Pharmaceuticals International? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Kiniksa Pharmaceuticals International: Caption Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Kiniksa Pharmaceuticals International? 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. 6.10% of Kiniksa Pharmaceuticals International's floating shares are currently sold short. Is Kiniksa Pharmaceuticals International's short interest increasing or decreasing? Kiniksa Pharmaceuticals International saw a decline in short interest in June. As of June 30th, there was short interest totaling 2,070,000 shares, a decline of 12.3% from the previous total of 2,360,000 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 Kiniksa Pharmaceuticals International's short interest compare to its competitors? 6.10% of Kiniksa Pharmaceuticals International's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Kiniksa Pharmaceuticals International: Verona Pharma PLC American Depositary Share (0.60%), Roivant Sciences Ltd. (10.24%), Elanco Animal Health Incorporated (5.08%), Revolution Medicines, Inc. (9.42%), Legend Biotech Corporation Sponsored ADR (5.68%), Grifols, S.A. (1.00%), TG Therapeutics, Inc. (16.96%), Nuvalent, Inc. (12.49%), Lantheus Holdings, Inc. (12.95%), Axsome Therapeutics, Inc. (10.66%), 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 ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Kiniksa Pharmaceuticals International stock? Short selling KNSA is an investing strategy that aims to generate trading profit from Kiniksa Pharmaceuticals International as its price is falling. KNSA shares are trading up $0.18 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 Kiniksa Pharmaceuticals International? A short squeeze for Kiniksa Pharmaceuticals International 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 KNSA, which in turn drives the price of the stock up even further. How often is Kiniksa Pharmaceuticals International'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 KNSA, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies VRNA Short Interest Data ROIV Short Interest Data ELAN Short Interest Data RVMD Short Interest Data LEGN Short Interest Data GRFS Short Interest Data TGTX Short Interest Data NUVL Short Interest Data LNTH Short Interest Data AXSM 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:KNSA) was last updated on 7/18/2025 by MarketBeat.com Staff From Our PartnersUtah’s New Oil FindThe Real Reason 218,000 Acres Just Vanished The government just quietly leased 218,000 acres in the middle ...Stansberry Research | SponsoredCritical AI announcement set to ignite AI 2.0 I just put together an urgent new presentation that you need to see right away. 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