Prothena Corporation plc Share Price Year-To-Date (YTD) return on July 25, 2025: -51.77%

Prothena Corporation plc Share Price Year-To-Date (YTD) return is -51.77% on July 25, 2025. Share price reflects current trading price of a company's stock; influenced by market dynamics and company performance. Year-to-Date (YTD) return is is the percentage change in the price of a stock from the start of the calendar year up to the current date, it shows how much the stock has gained or lost since the beginning of the year.
  • Prothena Corporation plc 52-week low Share Price is USD 23.97 on July 25, 2025, which is 258.83% above the current Share Price.
  • Prothena Corporation plc 52-week low Share Price is USD 4.58 on July 25, 2025, which is -31.44% below the current Share Price.
  • Prothena Corporation plc average Share Price for the last 52 weeks is USD 13.61.
Key Data
Date Share Price Year-To-Date (YTD) return Price to Earnings Ratio (P/E) Price to Book Ratio (P/B) Price to Sales Ratio (P/S)