Historic Stock Lookup

Adjusted historic prices for the week of October 16, 2017
Date Open High Low Close Volume
Oct 16, 2017 61.18 61.96 59.44 60.32 130,735
Oct 17, 2017 60.34 61.72 59.58 60.30 125,541
Oct 18, 2017 60.68 61.11 59.36 60.36 187,957

Year End Stock Prices

Year end PRTA stock price

The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Prothena Corporation plc does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.