Prothena Corporation plc
PRTA · NASDAQ
Market closed$8.66$0.190000 (+2.24%)After hours $8.73 · +0.81%
Historical prices
Open, high, low, close and volume for the selected range.
| Date | Open | High | Low | Close | Adjusted | Volume |
|---|---|---|---|---|---|---|
| July 20, 2026 | $8.86 | $8.86 | $8.86 | $8.86 | $8.86 | 1.00 |
| July 20, 2026 | $8.75 | $8.75 | $8.75 | $8.75 | $8.75 | 1.00 |
| July 20, 2026 | $8.76 | $8.76 | $8.76 | $8.76 | $8.76 | 1.00 |
| July 20, 2026 | $8.69 | $8.69 | $8.69 | $8.69 | $8.69 | 1.00 |
| July 20, 2026 | $8.76 | $8.76 | $8.76 | $8.76 | $8.76 | 191.00 |
| July 20, 2026 | $8.90 | $8.90 | $8.90 | $8.90 | $8.90 | 418.00 |
| July 20, 2026 | $8.81 | $8.81 | $8.81 | $8.81 | $8.81 | 85.00 |
| July 20, 2026 | $8.71 | $8.71 | $8.71 | $8.71 | $8.71 | 85.00 |
| July 20, 2026 | $9.74 | $9.74 | $9.74 | $9.74 | $9.74 | 85.00 |
| July 20, 2026 | $9.80 | $9.80 | $9.80 | $9.80 | $9.80 | 5.00 |
| July 20, 2026 | $9.80 | $9.80 | $9.80 | $9.80 | $9.80 | 688.00 |
| July 20, 2026 | $9.80 | $9.80 | $9.80 | $9.80 | $9.80 | 688.00 |
| July 20, 2026 | $9.80 | $9.80 | $9.80 | $9.80 | $9.80 | 586.00 |
| July 20, 2026 | $9.80 | $9.80 | $9.80 | $9.80 | $9.80 | 2.59K |
| July 20, 2026 | $8.85 | $8.85 | $8.85 | $8.85 | $8.85 | 2.00 |
| July 20, 2026 | $8.61 | $8.61 | $8.61 | $8.61 | $8.61 | 1.00 |
| July 20, 2026 | $8.46 | $8.46 | $8.46 | $8.46 | $8.46 | 548.00 |
| July 20, 2026 | $8.60 | $8.60 | $8.56 | $8.56 | $8.56 | 1.35K |
| July 20, 2026 | $8.60 | $8.60 | $8.60 | $8.60 | $8.60 | 1.00 |
| July 20, 2026 | $8.61 | $8.61 | $8.59 | $8.59 | $8.59 | 2.00 |
| July 20, 2026 | $8.61 | $8.61 | $8.61 | $8.61 | $8.61 | 1.00 |