Prothena Corp Rg
PRTA
USD
STOCK MARKET:
NMS
Closed
 
...
Large gap with delayed quotes
Last quote
02/28/2026 - 02:00:00
Bid
02/27/2026 - 21:59:59
Bid
Volume
Ask
02/27/2026 - 21:59:59
Ask
Volume
8.67
+0.03 ( +0.35% )
8.66
1,000
8.68
5,400
More information
Analysis by TheScreener
24.02.2026
Evaluation Slightly negative  
Interest None  
Sensibility High  

Master data

Company Prothena Corporation PLC
CCY USD
ISIN IE00B91XRN20
Valor 20224443
Symbol PRTA
Sector Biotechnology
Share type -

Fundamental data

Last dividend
Dividend Yield -
Shares outstanding 53.83 M
Nominal 0.01
Nominal Currency USD
Market Cap 466.706 M

Main data

Last - 02:00:00 8.67
Close - 02/27/2026 8.64
Day Change % - - +0.35%
Day Change - - +0.03
Volume - - 203,312.00
Turnover - - -
Previous year close - 01/01/2026 9.55
YTD % - - -9.53%

Performance (Previous year close 9.55)

Period High Low Perf. %
1 W 9.59
(02/21/2026)
8.21
(02/21/2026)
-3.88%
4 Weeks 9.59
(02/21/2026)
8.21
(02/21/2026)
-4.64%
12 Weeks 11.56
(12/05/2025)
8.21
(02/21/2026)
-22.58%
Perf. after 01.01 - - -9.53%
26 Weeks 11.68
(10/29/2025)
8.02
(09/23/2025)
+5.73%
52 Weeks 16.16
(03/01/2025)
4.33
(05/29/2025)
-42.89%

Difference trading

Open - 15:30:00 8.53
Bid - 21:59:59 8.66
Bid Size - - 1,000
Ask - 21:59:59 8.68
Ask Size - - 5,400

Technical data

Hist. Vol 30 days 42.60%
Hist. Vol 90 days 45.80%
Hist. Vol 180 days 46.03%
Hist. Vol 250 days 63.47%

Difference price

Previous Day High 8.88
Previous Day Low 8.63

News

No news for this instrument