Prothena Corporation plc - Ordinary Shares (NQ:PRTA)
Price and Volume
Detailed Quote| Volume | 7 |
| Open | 9.100 |
| Bid (Size) | 8.680 (100) |
| Ask (Size) | 9.790 (100) |
| Prev. Close | 9.100 |
| Today's Range | 9.100 - 9.100 |
| 52wk Range | 7.730 - 11.80 |
| Shares Outstanding | 45,047,449 |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
22.9% below 52-week high
9.100
7.7352W Low
11.8052W High
1 Week
1.3% below 1-week high
7.931W Low
9.221W High
Prothena Corporation plc - Ordinary Shares (PRTA) traded between $7.73 and $11.80 over the past 52 weeks and last traded at $9.10, 22.9% below its 52-week high. Over the past week it ranged between $7.93 and $9.22.
Past 12 Months
1W
+$0.85
1M
+$0.38
3M
+$0.54
6M
-$1.77
YTD
-$0.10
1Y
-$1.44
PRTA was -13.7% over the past year, -16.3% over six months, -1.1% year to date, +10.3% in the last week.
12 Months vs Market
PRTA
-13.7%
DIA
+10.0%
SPY
+12.4%
QQQ
+14.6%
IWM
+13.0%
Over the past 12 months PRTA returned -13.7% versus DIA (Dow) +10.0%, SPY (S&P 500) +12.4%, QQQ (Nasdaq 100) +14.6% and IWM (Russell 2000) +13.0%.
Volume & Liquidity
0.00× 3-mo avg
Today 7
3-mo avg 477.4K
1W
553.8K
1M
573.0K
3M
477.4K
6M
524.9K
YTD
512.9K
1Y
542.1K
PRTA most recently traded 7 shares against a 3-month average daily volume of 477.4K.
More News
Read More
Earnings Scheduled For November 6, 2025 ↗
November 06, 2025
What's going on in today's after hours session ↗
April 27, 2026
Prothena Announces Leadership Team Updates
April 10, 2026
Prothena Announces up to $100 Million Share Repurchase Plan
February 27, 2026
Prothena Announces Board of Directors Update
December 12, 2025
Frequently Asked Questions
Is Prothena Corporation plc - Ordinary Shares publicly traded?
Yes, Prothena Corporation plc - Ordinary Shares is publicly traded.
What exchange does Prothena Corporation plc - Ordinary Shares trade on?
Prothena Corporation plc - Ordinary Shares trades on the Nasdaq Stock Market
What is the ticker symbol for Prothena Corporation plc - Ordinary Shares?
The ticker symbol for Prothena Corporation plc - Ordinary Shares is PRTA on the Nasdaq Stock Market
What is the current price of Prothena Corporation plc - Ordinary Shares?
The current price of Prothena Corporation plc - Ordinary Shares is 9.100
When was Prothena Corporation plc - Ordinary Shares last traded?
The last trade of Prothena Corporation plc - Ordinary Shares was at 10/28/26 04:00 PM ET
What is the market capitalization of Prothena Corporation plc - Ordinary Shares?
The market capitalization of Prothena Corporation plc - Ordinary Shares is 409.93M
How many shares of Prothena Corporation plc - Ordinary Shares are outstanding?
Prothena Corporation plc - Ordinary Shares has 410M shares outstanding.
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