Prothena Corporation plc - Ordinary Shares (PRTA) Stock Charts PRTA Home News Ratings Charts Prothena Corporation plc - Ordinary Shares (PRTA): $17.79 0.56 (-3.05%) POWR Rating Get Rating Component Grades Growth Get Rating Value Get Rating Momentum C Stability D Sentiment Get Rating Quality C Add PRTA to Watchlist Sign Up Industry: Biotech Industry F Ranked #54 of 329 in industry See All 'A' Rated Buy Stocks Prothena Corporation plc - Ordinary Shares (PRTA) Performance Graph for POWR Ratings Prothena Corporation plc - Ordinary Shares (PRTA) Interactive Chart PRTA Chart by TradingView Prothena Corporation plc - Ordinary Shares (PRTA) Ratings History Chart Free access to the full ratings history for PRTA. Sign up now! Most Popular Stories View All • Stock Investing AFTER the Election • 3 Streaming Stocks Benefiting from Cord-Cutting Trends • 3 Gold Stocks to Buy as Safe-Haven Demand Grows • 3 AI Stocks Transforming Industries and Driving Future Growth • Investors: Are You Ready for November? View All Top stories Get Free Updates Join thousands of investors who get the latest news, insights and top rated picks from StockNews.com! Subscribe Get Free Updates Join thousands of investors who get the latest news, insights and top rated picks from StockNews.com!