Prothena
Why Robinhood?
Robinhood gives you the tools you need to put your money in motion. You can buy or sell Prothena and other ETFs, options, and stocks.About PRTA
Prothena Corp. Plc is a clinical-stage neuroscience company, which engages in the discovery and development of novel therapies to change the course of devastating diseases.
PRTA Key Statistics
Stock Snapshot
With a market cap of 515.72M, Prothena(PRTA) trades at $9.59. The stock has a price-to-earnings ratio of -2.11.
During the trading session on 2026-03-09, Prothena(PRTA) shares reached a daily high of $9.64 and a low of $9.24. At a current price of $9.59, the stock is +3.8% higher than the low and still -0.5% under the high.
Trading activity shows a volume of 623.76K, compared to an average daily volume of 526.96K.
Over the past 52 weeks, Prothena(PRTA) stock has traded between a high of $15.63 and a low of $4.32.
Over the past 52 weeks, Prothena(PRTA) stock has traded between a high of $15.63 and a low of $4.32.
Analyst ratings
57%
of 7 ratingsPeople also own
Similar Marketcap
This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.
Popular Stocks
This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset
Newly Listed
This list is generated by showing companies that recently went public.