Prothena Corp Rg
PRTA
USD
STOCK MARKET:
NMS
Closed
 
...
Large gap with delayed quotes
Last quote
10/17/2026 - 02:00:00
Bid
10/16/2026 - 21:59:55
Bid
Volume
Ask
10/16/2026 - 21:59:55
Ask
Volume
8.35
-0.15 ( -1.76% )
8.35
900
8.36
5,700
More information
Analysis by TheScreener
13.10.2026
Evaluation Negativ  
Quality Very weak  
Risk 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 51.337 M
Nominal 0.01
Nominal Currency USD
Market Cap 428.664 M

Main data

Last - 02:00:00 8.35
Close - 10/16/2026 8.50
Day Change % - - -1.76%
Day Change - - -0.15
Volume - - 305,105.00
Turnover - - 2,561,635.61
Previous year close - 01/01/2026 9.55
YTD % - - -10.99%

Performance (Previous year close 9.55)

Period High Low Perf. %
1 W 9.30
(10/10/2026)
8.22
(10/15/2026)
-5.54%
4 Weeks 9.30
(10/10/2026)
7.81
(10/07/2026)
+0.47%
12 Weeks 9.87
(09/05/2026)
7.81
(10/07/2026)
-0.35%
Perf. after 01.01 - - -10.99%
26 Weeks 11.78
(05/09/2026)
7.75
(06/12/2026)
-23.39%
52 Weeks 11.78
(05/09/2026)
7.75
(06/12/2026)
-15.76%

Difference trading

Open - 15:30:00 8.58
Bid - 21:59:55 8.35
Bid Size - - 900
Ask - 21:59:55 8.36
Ask Size - - 5,700

Technical data

Hist. Vol 30 days 49.43%
Hist. Vol 90 days 42.88%
Hist. Vol 180 days 49.09%
Hist. Vol 250 days 47.42%

Difference price

Previous Day High 8.65
Previous Day Low 8.44

News

No news for this instrument