| Volume | 23 |
| Open | 8.480 |
| Bid (Size) | 3.440 (100) |
| Ask (Size) | 10.50 (100) |
| Prev. Close | 8.480 |
| Today's Range | 8.480 - 8.480 |
| 52wk Range | 7.730 - 11.80 |
| Shares Outstanding | 45,047,449 |
| Dividend Yield | N/A |
Prothena Corporation plc - Ordinary Shares (PRTA) traded between $7.73 and $11.80 over the past 52 weeks and last traded at $8.48, 28.1% below its 52-week high. Over the past week it ranged between $7.80 and $8.63.
PRTA was -16.6% over the past year, -20.4% over six months, -7.8% year to date, -0.7% in the last week.
Over the past 12 months PRTA returned -16.6% versus DIA (Dow) +9.7%, SPY (S&P 500) +16.2%, QQQ (Nasdaq 100) +25.3% and IWM (Russell 2000) +13.7%.
PRTA most recently traded 23 shares against a 3-month average daily volume of 481.5K.