Prothena (PRTA) Stock Chart & Stock Price History $15.22 -0.79 (-4.93%) (As of 12/20/2024 05:51 PM ET) Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends Prothena Stock Price Performance 5 Day Performance+20.70%1 Month Performance+5.40%3 Month Performance-29.57%6 Month Performance-29.14%Year-To-Date Performance-58.12%1 Year Performance-59.16% 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. Email Address URGENT: This Altcoin Opportunity Won’t Wait – Act Now (Ad)It’s here. This is the moment we’ve been waiting for. The next 3-6 months in crypto will be absolutely life-changing for those who are prepared. Why? Because altcoin prices are about to explode.>> Register for the Workshop Now PRTA Stock Chart for Saturday, December, 21, 2024 PRTA Chart by TradingView Prothena 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 Capitalization12/20/2024$16.01$15.22-4.93%$16.42$15.101.56 million shs$818.97 million12/19/2024$11.95$16.01+33.97%$17.66$12.203.28 million shs$861.48 million12/18/2024$14.04$11.95-14.89%$14.22$11.70856,864 shs$643.02 million12/17/2024$12.61$14.04+11.34%$14.28$12.311.05 million shs$755.48 million12/16/2024$12.79$12.61-1.41%$13.13$12.44603,029 shs$678.53 million12/13/2024$13.81$12.79-7.39%$14.20$12.70711,204 shs$688.23 million 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. 12/12/2024$14.15$13.81-2.40%$14.13$13.68291,437 shs$743.10 million12/11/2024$14.55$14.15-2.75%$14.82$13.91294,116 shs$761.41 million12/10/2024$14.37$14.55+1.25%$14.75$14.10365,053 shs$782.94 million12/09/2024$14.05$14.37+2.28%$14.79$13.93521,858 shs$773.25 million12/06/2024$13.93$14.05+0.86%$14.56$13.81259,188 shs$756.03 million12/05/2024$14.53$13.93-4.13%$14.68$13.75501,266 shs$749.57 million12/04/2024$13.78$14.53+5.44%$14.70$13.52719,431 shs$781.85 million12/03/2024$15.00$13.78-8.13%$14.95$13.70552,830 shs$741.49 million12/02/2024$16.21$15.00-7.46%$16.63$14.93699,588 shs$807.15 million11/29/2024$15.88$16.21+2.08%$16.36$15.90186,945 shs$872.26 million11/28/2024$15.88$15.88$16.04$15.40261,154 shs$854.50 million11/27/2024$15.58$15.88+1.93%$16.04$15.40261,097 shs$854.50 million11/26/2024$15.08$15.58+3.32%$15.89$14.42528,925 shs$838.34 million11/25/2024$14.60$15.08+3.29%$16.04$14.85494,629 shs$811.44 million11/22/2024$14.44$14.60+1.11%$15.33$14.03468,840 shs$785.63 million11/21/2024$14.40$14.44+0.28%$14.70$14.20291,866 shs$777.02 million11/20/2024$14.05$14.40+2.49%$14.58$13.49629,652 shs$774.86 million Related Companies Dyne Therapeutics Stock Chart HUTCHMED Stock Chart Catalyst Pharmaceuticals Stock Chart Agios Pharmaceuticals Stock Chart Protagonist Therapeutics Stock Chart Iovance Biotherapeutics Stock Chart Amneal Pharmaceuticals Stock Chart Longboard Pharmaceuticals Stock Chart NewAmsterdam Pharma Stock Chart IDEAYA Biosciences 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 12/21/2024 by MarketBeat.com Staff From Our PartnersAmazon coin set to soar 25X – starting December 16th?This tiny 3-cent crypto just partnered with one of the biggest companies in the world… Amazon. And one team...True Market Insiders | SponsoredDid You See Trump’s Bombshell Exec. Order 001?Biden broke it... Now Trump is going to fix it. Starting with "Exec. Order 001."Banyan Hill Publishing | Sponsored$2 Trillion Disappears Because of Fed's Secretive New Move$2 trillion has disappeared from the US government's books. The reason why is a new, secretive move being c...Stansberry Research | SponsoredThe #1 Crypto for AIWe’ve issued an urgent landmark trade alert for a new crypto wonder. So, I decided to give you this heads-u...Weiss Ratings | SponsoredElon Musk’s chilling warning for humanityThe 'invasion' I've discovered has nothing to do with the border crisis. 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