8.54 USD
↘ 0.00 (0.06%)PRE MARKET (AS OF 09:29 AM EDT)
PRTA Stock Premarket
Prothena Corporation plc Ordinary Shares
PRTANASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
PRTA last traded at $8.54 in premarket, down $0.00 (0.06%) from its previous close of $8.54.
📅 PRTA is expected to report earnings around Nov 5, 2026 after the close (estimated), with an estimated EPS of $-0.21. PRTA earnings details →
PRTA Premarket Chart
PRTA Premarket News
Gap Analytics — 5-year history, 5% minimum gap
No qualifying gap events found for PRTA.
Related: PRTA quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is PRTA's premarket price?
Prothena (PRTA) is trading at $8.54 in premarket, down $0.00 (0.06%) from the previous close of $8.54.
Why is PRTA moving in premarket?
Prothena (PRTA) is down 0.06% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest PRTA premarket headlines and gap history below for the likely catalyst.
When does PRTA premarket trading start?
Premarket trading for PRTA on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
When does PRTA report earnings?
PRTA is expected to report earnings around Nov 5, 2026 after the close (estimated), with an estimated EPS of $-0.21.