Prothena (PRTA) Stock Chart & Stock Price History → Urgent Alert: Biden's IRS Targeting Your Money – Act Fast to Protect It! (From American Alternative) (Ad) Free PRTA Stock Alerts $20.56 0.00 (0.00%) (As of 04/24/2024 ET) Add Compare Share Share ChartStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSocial MediaStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSocial Media Prothena Stock Price Performance5 Day Performance-2.84%1 Month Performance-20.68%3 Month Performance-37.56%6 Month Performance-51.34%Year-To-Date Performance-43.42%1 Year Performance-62.47% Receive PRTA Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Prothena and its competitors with MarketBeat's FREE daily newsletter Email Address Ad American AlternativeYour Money is Not SafeBiden Deploys Phase 1 Fednow Digital Currency Discover how to legally "opt-out" of the digital dollar today. No matter what they say, it's not something that will help you. If you don't take the action steps shown below…CLICK HERE TO GET YOUR GUIDE NOW PRTA Stock Chart for Wednesday, April, 24, 2024 PRTA Chart by TradingView Prothena Share 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 Capitalization04/24/2024$20.56$20.56$20.88$20.32341,791 shs$1.10 billion04/23/2024$21.29$20.56-3.43%$21.70$20.44442,704 shs$1.10 billion04/22/2024$21.16$21.29+0.61%$21.79$20.87356,639 shs$1.14 billion04/19/2024$20.57$21.16+2.87%$21.18$20.42508,532 shs$1.14 billion04/18/2024$21.00$20.57-2.05%$21.26$20.44567,688 shs$1.11 billion04/17/2024$21.34$21.00-1.59%$21.70$20.95465,510 shs$1.13 billion Get the Latest News and Ratings for PRTA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Prothena and its competitors with MarketBeat's FREE daily newsletter. 04/16/2024$21.99$21.34-2.96%$22.14$21.06479,715 shs$1.15 billion04/15/2024$22.24$21.99-1.12%$22.44$21.59530,668 shs$1.18 billion04/12/2024$23.28$22.24-4.47%$23.30$21.92526,230 shs$1.19 billion04/11/2024$22.82$23.28+2.02%$23.99$22.21599,106 shs$1.25 billion04/10/2024$23.54$22.82-3.06%$22.93$21.90528,120 shs$1.23 billion04/09/2024$23.68$23.54-0.59%$24.08$22.93464,441 shs$1.26 billion04/08/2024$23.37$23.68+1.33%$24.07$23.39301,269 shs$1.27 billion04/05/2024$23.26$23.37+0.47%$23.82$22.23471,664 shs$1.26 billion04/04/2024$24.26$23.26-4.12%$25.12$22.88760,812 shs$1.25 billion04/03/2024$23.95$24.26+1.29%$24.36$23.23614,986 shs$1.30 billion04/02/2024$26.15$23.95-8.41%$25.36$23.89776,386 shs$1.29 billion04/01/2024$24.77$26.15+5.57%$26.36$24.52616,646 shs$1.40 billion03/29/2024$24.77$24.77$25.34$24.25803,163 shs$1.33 billion03/28/2024$25.16$24.77-1.55%$25.34$24.29803,163 shs$1.33 billion03/27/2024$24.75$25.16+1.66%$25.57$24.46612,086 shs$1.35 billion03/26/2024$25.40$24.75-2.56%$25.87$24.53612,779 shs$1.33 billion03/25/2024$25.92$25.40-2.01%$26.27$24.71393,071 shs$1.36 billion03/22/2024$25.59$25.92+1.29%$26.37$25.18942,937 shs$1.39 billion03/21/2024$25.51$25.59+0.31%$26.45$25.28463,594 shs$1.37 billion03/20/2024$25.09$25.51+1.67%$25.86$24.47423,130 shs$1.37 billion03/19/2024$25.09$25.09$25.59$24.81419,556 shs$1.35 billion03/18/2024$26.07$25.09-3.76%$26.75$24.62689,827 shs$1.35 billion03/15/2024$26.48$26.07-1.55%$26.75$25.941.54 million shs$1.40 billion03/14/2024$28.60$26.48-7.41%$28.53$26.24669,692 shs$1.42 billion03/13/2024$27.54$28.60+3.85%$29.00$27.53489,640 shs$1.54 billion03/12/2024$28.06$27.54-1.85%$28.24$27.05481,789 shs$1.48 billion03/11/2024$30.22$28.06-7.15%$30.85$27.89568,771 shs$1.51 billion03/08/2024$29.30$30.22+3.14%$30.51$29.43366,940 shs$1.62 billion03/07/2024$29.34$29.30-0.14%$29.68$29.10390,080 shs$1.57 billion03/06/2024$28.35$29.34+3.49%$29.44$28.55412,554 shs$1.58 billion03/05/2024$28.32$28.35+0.11%$28.57$27.52328,382 shs$1.52 billion03/04/2024$28.53$28.32-0.74%$29.33$27.83338,043 shs$1.52 billion03/01/2024$27.59$28.53+3.41%$28.92$27.69607,073 shs$1.53 billion02/29/2024$28.98$27.59-4.80%$29.76$27.54749,471 shs$1.48 billionYour Money is Not Safe (Ad)Biden Deploys Phase 1 Fednow Digital Currency Discover how to legally "opt-out" of the digital dollar today. No matter what they say, it's not something that will help you. If you don't take the action steps shown below…CLICK HERE TO GET YOUR GUIDE NOW02/28/2024$30.30$28.98-4.36%$30.36$28.91642,222 shs$1.56 billion02/27/2024$28.18$30.30+7.52%$31.01$28.38827,183 shs$1.63 billion02/26/2024$27.22$28.18+3.53%$28.43$27.20537,535 shs$1.51 billion02/23/2024$26.95$27.22+1.00%$27.64$26.80586,765 shs$1.46 billion02/22/2024$27.05$26.95-0.37%$27.50$26.14642,189 shs$1.45 billion02/21/2024$27.53$27.05-1.74%$27.86$26.60579,536 shs$1.45 billion02/20/2024$28.02$27.53-1.75%$28.30$26.89671,924 shs$1.48 billion02/19/2024$28.02$28.02$30.32$27.461.18 million shs$1.50 billion02/16/2024$28.52$28.02-1.75%$30.32$27.461.18 million shs$1.50 billion02/15/2024$27.29$28.52+4.51%$28.86$27.11689,724 shs$1.53 billion02/14/2024$26.49$27.29+3.02%$27.76$25.89732,303 shs$1.46 billion02/13/2024$29.43$26.49-9.99%$29.27$26.351.06 million shs$1.42 billion02/12/2024$28.38$29.43+3.70%$30.19$28.40797,482 shs$1.58 billion02/09/2024$27.43$28.38+3.46%$28.65$27.551.02 million shs$1.52 billion02/08/2024$26.61$27.43+3.08%$27.75$26.50870,376 shs$1.47 billion02/07/2024$26.31$26.61+1.14%$27.13$25.78676,438 shs$1.43 billion02/06/2024$25.05$26.31+5.03%$26.41$24.51749,143 shs$1.41 billion02/05/2024$25.77$25.05-2.79%$25.59$24.281.55 million shs$1.34 billion02/02/2024$27.37$25.77-5.85%$27.35$25.15872,222 shs$1.38 billion02/01/2024$28.39$27.37-3.59%$28.81$27.29820,209 shs$1.47 billion01/31/2024$29.86$28.39-4.92%$30.31$28.271.25 million shs$1.52 billion01/30/2024$33.76$29.86-11.55%$31.57$29.401.29 million shs$1.60 billion01/29/2024$32.63$33.76+3.46%$33.84$31.68460,923 shs$1.81 billion01/26/2024$32.06$32.63+1.78%$33.02$32.09420,371 shs$1.75 billion01/25/2024$32.93$32.06-2.64%$33.45$31.58742,467 shs$1.72 billion01/24/2024$33.69$32.93-2.26%$34.03$32.64388,431 shs$1.77 billion01/23/2024$34.07$33.69-1.12%$34.65$32.86704,957 shs$1.81 billion Related Companies: Xencor Stock Chart MannKind Stock Chart Belite Bio Stock Chart Mirum Pharmaceuticals Stock Chart AbCellera Biologics Stock Chart Gemini Therapeutics Stock Chart Collegium Pharmaceutical Stock Chart Deciphera Pharmaceuticals Stock Chart Pieris Pharmaceuticals Stock Chart MacroGenics Stock Chart Receive PRTA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Prothena and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:PRTA) was last updated on 4/24/2024 by MarketBeat.com Staff From Our PartnersThe A.I. story nobody is telling you (Read ASAP)TradeSmithtop AI stock (it’s not MSFT, GOOGL, AMZN or AAPL)Traders AgencyDid You Get Your Free Bitcoin Yet?Crypto Swap ProfitsBitcoin Rockets To Record High But Buy THIS InsteadParadigm PressUrgent Alert: Biden's IRS Targeting Your Money – Act Fast to Protect It!American AlternativeEmergency: Biden's $20 Trillion Mistake Could Cost YOU!GoldenCrest MetalsExposed: 10 CENT Crypto to Explode April 20th?True Market InsidersThe #1 Crypto for 2024InvestorPlace Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Prothena Co. plc Please log in to your account or sign up in order to add this asset to your watchlist. 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