PRTA

Prothena Corporation plc

Healthcare · USD

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Price alert · PRTA

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8.47 USD -0.41 -4.62%
As of Oct 30, 2026 Extended hours 8.47 0.00%
Bid
8.48 × 2
Ask
8.49 × 2
8.35 Day range 8.90
7.91 52-week range 11.51
YTD
-11.31%
1 year
-19.18%
Open
8.79
Prev close
8.88
Mkt cap
434.82M
Vol
452.30K
Avg vol
472.70K
EPS
-0.82
P/E
0.00
Div yield
0.00%
More statistics
Low
8.35
High
8.90
Forward P/E
-3.57
Beta
0.16
Short ratio
17.35
Inst. own
96.97%
Dividend
0.00
Ex-div date
50-d avg
15.72
200-d avg
20.26
1y target
49.75

5D chart

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PRTA options

PRTA option chain
CallsStrikePuts
BidAskLast% ChgVolumeOpen intImpl volBidAskLast% ChgVolumeOpen intImpl vol
0.00 4.90 1.96 0.00% — 5 220.7%7.00 — — — — — — —
0.00 4.90 0.85 0.00% 1 81 285.5%8.00 — — — — — — —
0.00 1.00 0.54 0.00% 11 1,040 88.1%9.00 0.00 3.90 0.82 0.00% — 1 202.0%
0.00 0.70 0.15 0.00% 7 58 104.7%10.00 — — — — — — —
0.00 1.20 0.06 0.00% — 1 193.0%12.00 — — — — — — —
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