Kiniksa Pharmaceuticals International (KNSA) Stock Chart & Stock Price History $27.86 +0.42 (+1.51%) Closing price 02:30 PM EasternExtended Trading$27.86 0.00 (0.00%) As of 04:34 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 InterestTrendsBuy This Stock Kiniksa Pharmaceuticals International Stock Price Performance The Kiniksa Pharmaceuticals International (KNSA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 45.84%, with a year-to-date return of 40.82%. In the past month, the stock has decreased 4.31%, reflecting recent market activity. As of the latest close, Kiniksa Pharmaceuticals International traded at $27.44 with a market cap of $2.00 billion and volume of 946,608 shares. Five years ago, the stock traded at $23.73, representing a 17.38% increase over that period. At the time, it had a market cap of $1.52 billion and a volume of 375,116 shares. Receive KNSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kiniksa Pharmaceuticals International and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.66%1 Month Performance-4.31%3 Month Performance+28.01%Year-To-Date Performance+40.82%1 Year Performance+45.84%5 Year Performance+17.38% KNSA Stock Chart for Thursday, July, 3, 2025 KNSA Chart by TradingView Kiniksa Pharmaceuticals International Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/02/2025$27.24$27.44+0.73%$27.97$26.89946,608 shs$2.00 billion07/01/2025$27.67$27.24-1.55%$27.90$27.24701,980 shs$1.99 billion06/30/2025$28.04$27.67-1.32%$28.54$27.08948,384 shs$2.02 billion06/27/2025$28.49$28.04-1.58%$28.86$27.918.68 million shs$2.05 billion06/26/2025$28.38$28.49+0.39%$28.71$27.94432,548 shs$2.08 billion06/25/2025$29.06$28.38-2.34%$29.23$28.22584,625 shs$2.07 billion06/24/2025$28.72$29.06+1.18%$29.20$28.48655,828 shs$2.12 billion06/23/2025$28.44$28.72+0.98%$29.29$28.25701,134 shs$2.10 billion06/20/2025$27.93$28.44+1.83%$28.52$27.80654,925 shs$2.08 billion06/19/2025$27.93$27.93$28.24$27.62487,811 shs$2.04 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 International and its competitors with MarketBeat's FREE daily newsletter. 06/18/2025$27.95$27.93-0.07%$28.24$27.62487,811 shs$2.04 billion06/17/2025$28.41$27.95-1.62%$28.28$27.65596,493 shs$2.04 billion06/16/2025$28.30$28.41+0.39%$28.69$27.65674,256 shs$2.07 billion06/13/2025$27.73$28.30+2.06%$28.32$26.54907,293 shs$2.07 billion06/12/2025$30.22$27.73-8.24%$30.22$27.651.34 million shs$2.02 billion06/11/2025$29.77$30.22+1.51%$30.69$29.70702,152 shs$2.21 billion06/10/2025$30.33$29.77-1.85%$30.69$29.65561,586 shs$2.17 billion06/09/2025$30.23$30.33+0.33%$30.60$29.94532,425 shs$2.21 billion06/06/2025$29.52$30.23+2.41%$30.27$29.381.07 million shs$2.21 billion06/05/2025$28.88$29.52+2.22%$29.74$28.651.06 million shs$2.15 billion06/04/2025$29.11$28.88-0.79%$29.48$28.74815,740 shs$2.11 billion06/03/2025$27.92$29.11+4.26%$29.71$27.701.11 million shs$2.12 billion06/02/2025$27.43$27.92+1.79%$28.29$27.20653,610 shs$2.04 billion Related Companies Blueprint Medicines Stock Price Chart Verona Pharma PLC American Depositary Share Stock Price Chart BridgeBio Pharma Stock Price Chart Roivant Sciences Stock Price Chart Revolution Medicines Stock Price Chart Elanco Animal Health Stock Price Chart Legend Biotech Stock Price Chart Grifols Stock Price Chart Telix Pharmaceuticals Stock Price Chart TG Therapeutics Stock Price Chart Receive KNSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kiniksa Pharmaceuticals International and its competitors with MarketBeat's FREE daily newsletter. 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