Prothena Corporation plc Ordinary Shares
$8.555
USD
Last updated on --.
24h volume526.89K
24h highest8.5940 USD
24h lowest8.2530 USD
24h Price movement-0.29%
PRTA recent prices
24 Hours
-0.29%-$0.025
30 days
-5.26%-$0.475
60 days
-2.23%-$0.195
90 days
-6.50%-$0.595
Key data
Previous close8.5800 USD
Market cap458.44M USD
Volume526.89K
P/E ratio--
Dividend yield (TTM)0.00%
Dividend amount--
Next ex-dividend date--
Next payment date--
EPS diluted (TTM)-0.86000 USD
Net income (FY)-43.99M USD
Revenue (FY)54.53M USD
Last report dateAug 6, 2026
About Prothena Corporation plc Ordinary Shares
HeadquartersDUBLIN 2
Employees (FY)67.00
Revenue per employee (FY)813.88K USD
Net income per employee (FY)-656.60K USD
Listed onNasdaq
PRTA conversion tables
 |  |
|---|---|
| 0.5 PRTA | 4.277 USD |
| 1 PRTA | 8.555 USD |
| 5 PRTA | 42.77 USD |
| 10 PRTA | 85.55 USD |
| |
|---|---|
| 0.5 USD | 0.058445 PRTA |
| 1 USD | 0.11689 PRTA |
| 5 USD | 0.58445 PRTA |
| 10 USD | 1.168 PRTA |
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FAQ
PRTA is trading at $8.555, -0.29% over the last 24 hours. Track live moves on the price chart at the top of this page.
The PRTA stock forecast depends on a mix of factors — broader market conditions, sector trends, and company-specific drivers like earnings, product cycles, and macro signals. PRTA is currently trading at $8.555, -0.29% over the last 24 hours, which reflects how the market is pricing these factors today. For a longer-term outlook on PRTA price action, review the 30-day, 60-day, and 90-day performance shown above, monitor momentum across the PHARMACEUTICAL PREPARATIONS sector, and watch overall market sentiment. Stock forecasts and price predictions are inherently uncertain — always DYOR.
P/E ratio (Price-to-Earnings, trailing twelve months) measures how much investors pay per dollar of earnings over the last 12 months. PRTA's P/E ratio is currently -- — calculated by dividing its share price by its trailing 12-month earnings per share (EPS). A higher P/E suggests investors expect stronger future growth from PRTA; a lower P/E may indicate the stock is undervalued or that the market is pricing in a weaker outlook. P/E ratios are most useful when compared against PRTA's historical range and other companies in the PHARMACEUTICAL PREPARATIONS sector.
Prothena Corporation plc Ordinary Shares's market cap is currently 458.44M USD. Market cap is calculated as stock price × total shares outstanding.
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24h volume526.89K
24h highest8.5940 USD
24h lowest8.2530 USD
24h Price movement-0.29%
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