Kiniksa Pharmaceuticals (KNSA) Stock Chart & Stock Price History $20.02 +0.33 (+1.68%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$20.00 -0.02 (-0.07%) As of 02/21/2025 05:33 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends Kiniksa Pharmaceuticals Stock Price Performance 5 Day Performance+1.42%1 Month Performance+4.22%3 Month Performance-5.92%6 Month Performance-23.62%Year-To-Date Performance+1.21%1 Year Performance+1.52% Receive KNSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kiniksa Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address KNSA Stock Chart for Saturday, February, 22, 2025 KNSA Chart by TradingView Kiniksa Pharmaceuticals Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization02/21/2025$19.68$20.02+1.73%$20.09$19.50404,104 shs$1.45 billion02/20/2025$19.66$19.68+0.10%$19.81$19.31215,311 shs$1.42 billion02/19/2025$19.55$19.66+0.56%$20.20$19.54460,632 shs$1.42 billion02/18/2025$19.74$19.55-0.96%$20.01$19.43244,244 shs$1.41 billion02/17/2025$19.74$19.74$20.32$19.58640,902 shs$1.43 billion02/14/2025$19.65$19.74+0.46%$20.32$19.58640,902 shs$1.43 billion02/13/2025$19.28$19.65+1.92%$19.68$19.17268,807 shs$1.42 billion02/12/2025$19.70$19.28-2.13%$19.91$19.17243,957 shs$1.39 billion02/11/2025$19.60$19.70+0.51%$19.75$18.12569,501 shs$1.42 billion02/10/2025$19.49$19.60+0.56%$19.96$19.37357,168 shs$1.42 billion 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 and its competitors with MarketBeat's FREE daily newsletter. 02/07/2025$20.29$19.49-3.94%$20.36$19.39379,450 shs$1.41 billion02/06/2025$19.63$20.29+3.36%$20.73$19.601.68 million shs$1.46 billion02/05/2025$18.74$19.63+4.75%$19.84$18.52830,846 shs$1.42 billion02/04/2025$18.88$18.74-0.74%$19.19$18.73550,037 shs$1.35 billion02/03/2025$19.60$18.88-3.67%$19.60$18.85555,432 shs$1.36 billion01/31/2025$19.88$19.60-1.41%$20.10$19.55570,334 shs$1.42 billion01/30/2025$20.66$19.88-3.78%$20.83$19.76278,623 shs$1.44 billion01/29/2025$20.18$20.66+2.38%$20.89$20.24291,191 shs$1.49 billion01/28/2025$20.76$20.18-2.79%$20.90$20.18578,263 shs$1.46 billion01/27/2025$20.03$20.76+3.64%$20.78$19.57918,845 shs$1.50 billion01/24/2025$19.77$20.03+1.32%$20.58$19.52797,387 shs$1.45 billion01/23/2025$19.21$19.77+2.92%$19.94$18.97576,911 shs$1.43 billion01/22/2025$18.71$19.21+2.67%$19.26$18.47558,677 shs$1.39 billion01/21/2025$18.54$18.71+0.92%$18.94$18.49711,959 shs$1.35 billion Related Companies TG Therapeutics Stock Price Chart Cytokinetics Stock Price Chart Grifols Stock Price Chart Verona Pharma Stock Price Chart Krystal Biotech Stock Price Chart Ultragenyx Pharmaceutical Stock Price Chart Avidity Biosciences Stock Price Chart SpringWorks Therapeutics Stock Price Chart ADMA Biologics Stock Price Chart Organon & Co. Stock Price Chart Receive KNSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kiniksa Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:KNSA) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersSecret financial plot unfolding in Washington DC… [DEVELOPING]What stocks are next up to soar in 2025? I believe I’ve found the answer - and it might surprise you. Yo...Timothy Sykes | Sponsored[RFK Jr CONFIRMED] Here’s why Dems are TERRIFIEDRobert F. 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