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Prothena Corporation plc (PRTA) - NASDAQ Next Earnings Date: Estimated on May 7, 2026
OS Projected Window: May 4, 2026 to May 9, 2026
EVR: 3.5
Avg Daily Volume: 492,070    Market Cap: 474.2M
Sector: Healthcare    Short Interest: 13.13
Live Interactive Chart
Days to Next Earnings: 55 Days


 

E    One Trading Day Post Earnings Up             E    One Trading Day Post Earnings Down

 
Optionslam EVR Rating: 3.5
 
Earnings Events Available: 51

 
Earnings Date Pre-Earnings EVR Pre-Earnings Close Post-Earnings Open Percentages represent price change relative to Pre-Earnings close for specified number of Calendar days
Price Perc% 1 Day 3 Days 5 Days 8 Days 13 Days 21 Days 34 Days 55 Days
Thu 02/19/2026 AC 3.5 $9.03 $9.38 3.87% -0.11% -0.11% -0.66% -3.99% 9.19% 3.1% N/A N/A
Thu 11/06/2025 AC 3.7 $10.08 $10.49 4.06% 4.76% 4.76% 3.97% -1.49% -0.89% 3.47% -2.08% -5.26%
Mon 08/04/2025 AC 3.8 Get the OptionSlam Edge ..... become an Insider Member to view the detailed report.
Thu 05/08/2025 AC 3.5
Thu 02/20/2025 AC 3.6
Tue 11/12/2024 AC 3.8
Thu 08/08/2024 AC 3.3
Wed 05/08/2024 AC 3.3
Thu 02/15/2024 AC 3.3
Thu 11/02/2023 AC 3.0


 
 
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