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Prothena Corporation plc - Ordinary Shares (NQ:PRTA)

8.680 -0.310 (-3.45%)
Streaming Delayed Price Updated: 4:00 PM EDT, Sep 23, 2026 Add to My Watchlist
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Price and Volume

Price 8.680
Open 8.940
Prev. Close 8.990
Change
-0.31
% Change
-3.45%
Bid (Size) 8.510 (300)
Ask (Size) 10.25 (1,000)
High 8.970
Low 8.665
52 Week High 11.80
52 Week Low 7.730
EPS -3.420
Price / Earnings N/A
Dividend Yield N/A
Shares Outstanding 45,047,449
Volume 357,843
Average Volume (3 Mo) 493K

Chart

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Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Price Performance

YTD
-0.52 (-5.65%)
1 Month
-0.71 (-7.56%)
3 Month
-0.72 (-7.66%)
6 Month
-0.63 (-6.77%)
1 Year
+0.37 (4.45%)
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