Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
8.05
+0.51 (6.76%)
At close: Aug 13, 2025, 4:00 PM
8.05
0.00 (-0.02%)
After-hours: Aug 13, 2025, 6:40 PM EDT
Prothena Corporation Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 13, 2025 | 7.60 | 8.17 | 7.58 | 8.05 | 8.05 | 6.76% | 1,596,429 |
| Aug 12, 2025 | 7.77 | 7.96 | 7.50 | 7.54 | 7.54 | -1.69% | 926,650 |
| Aug 11, 2025 | 7.70 | 7.85 | 7.39 | 7.67 | 7.67 | -0.26% | 1,147,187 |
| Aug 8, 2025 | 7.74 | 7.94 | 7.64 | 7.69 | 7.69 | -0.39% | 921,633 |
| Aug 7, 2025 | 7.98 | 7.98 | 7.52 | 7.72 | 7.72 | -2.53% | 1,092,136 |
| Aug 6, 2025 | 7.52 | 8.01 | 7.28 | 7.92 | 7.92 | 12.66% | 3,107,286 |
| Aug 5, 2025 | 7.03 | 7.54 | 6.73 | 7.03 | 7.03 | 1.30% | 1,565,289 |
| Aug 4, 2025 | 6.85 | 6.99 | 6.70 | 6.94 | 6.94 | 1.91% | 957,884 |
| Aug 1, 2025 | 6.80 | 6.87 | 6.61 | 6.81 | 6.81 | -0.87% | 859,928 |
| Jul 31, 2025 | 6.91 | 7.23 | 6.83 | 6.87 | 6.87 | -0.15% | 994,942 |
| Jul 30, 2025 | 7.00 | 7.33 | 6.74 | 6.88 | 6.88 | -0.72% | 1,240,795 |
| Jul 29, 2025 | 6.89 | 7.10 | 6.80 | 6.93 | 6.93 | 0.87% | 724,885 |
| Jul 28, 2025 | 6.71 | 6.89 | 6.63 | 6.87 | 6.87 | 2.84% | 804,766 |
| Jul 25, 2025 | 6.75 | 6.86 | 6.58 | 6.68 | 6.68 | -0.30% | 772,127 |
| Jul 24, 2025 | 6.72 | 6.76 | 6.54 | 6.70 | 6.70 | -0.89% | 735,590 |
| Jul 23, 2025 | 6.54 | 6.94 | 6.51 | 6.76 | 6.76 | 3.52% | 899,115 |
| Jul 22, 2025 | 6.31 | 6.59 | 6.29 | 6.53 | 6.53 | 3.82% | 722,348 |
| Jul 21, 2025 | 6.27 | 6.52 | 6.24 | 6.29 | 6.29 | 0.48% | 686,670 |
| Jul 18, 2025 | 6.54 | 6.62 | 6.25 | 6.26 | 6.26 | -3.25% | 788,843 |
| Jul 17, 2025 | 6.36 | 6.60 | 6.32 | 6.47 | 6.47 | 2.37% | 743,450 |
| Jul 16, 2025 | 6.27 | 6.44 | 6.19 | 6.32 | 6.32 | 1.61% | 675,246 |
| Jul 15, 2025 | 6.44 | 6.46 | 6.16 | 6.22 | 6.22 | -3.27% | 730,504 |
| Jul 14, 2025 | 6.38 | 6.50 | 6.33 | 6.43 | 6.43 | 0.47% | 792,710 |
| Jul 11, 2025 | 6.47 | 6.52 | 6.31 | 6.40 | 6.40 | -2.59% | 569,147 |
| Jul 10, 2025 | 6.55 | 6.68 | 6.43 | 6.57 | 6.57 | -0.15% | 806,755 |
| Jul 9, 2025 | 6.57 | 6.77 | 6.55 | 6.58 | 6.58 | 0.92% | 698,947 |
| Jul 8, 2025 | 6.29 | 6.67 | 6.29 | 6.52 | 6.52 | 3.66% | 1,021,937 |
| Jul 7, 2025 | 6.40 | 6.47 | 6.23 | 6.29 | 6.29 | -2.25% | 897,456 |
| Jul 3, 2025 | 6.32 | 6.46 | 6.21 | 6.44 | 6.44 | 1.82% | 636,811 |
| Jul 2, 2025 | 6.25 | 6.59 | 6.13 | 6.32 | 6.32 | 0.96% | 1,114,647 |
| Jul 1, 2025 | 6.06 | 6.49 | 5.96 | 6.26 | 6.26 | 3.13% | 1,508,083 |
| Jun 30, 2025 | 6.09 | 6.24 | 6.06 | 6.07 | 6.07 | -0.16% | 1,139,529 |
| Jun 27, 2025 | 6.25 | 6.41 | 6.01 | 6.08 | 6.08 | -1.62% | 2,692,955 |
| Jun 26, 2025 | 6.01 | 6.33 | 5.83 | 6.18 | 6.18 | 3.17% | 2,128,907 |
| Jun 25, 2025 | 6.14 | 6.14 | 5.84 | 5.99 | 5.99 | -1.32% | 1,200,775 |
| Jun 24, 2025 | 6.14 | 6.28 | 5.86 | 6.07 | 6.07 | 0.17% | 1,636,002 |
| Jun 23, 2025 | 5.70 | 6.36 | 5.70 | 6.06 | 6.06 | 5.94% | 2,452,348 |
| Jun 20, 2025 | 5.92 | 6.05 | 5.64 | 5.72 | 5.72 | -0.52% | 3,572,545 |
| Jun 18, 2025 | 5.70 | 6.03 | 5.67 | 5.75 | 5.75 | 0.88% | 5,022,826 |
| Jun 17, 2025 | 5.61 | 6.00 | 5.51 | 5.70 | 5.70 | 0.71% | 3,137,135 |
| Jun 16, 2025 | 5.47 | 5.77 | 5.29 | 5.66 | 5.66 | 11.42% | 2,180,373 |
| Jun 13, 2025 | 4.99 | 5.15 | 4.95 | 5.08 | 5.08 | 0.20% | 806,358 |
| Jun 12, 2025 | 5.05 | 5.18 | 5.01 | 5.07 | 5.07 | -0.59% | 652,183 |
| Jun 11, 2025 | 5.28 | 5.39 | 5.09 | 5.10 | 5.10 | -3.04% | 843,290 |
| Jun 10, 2025 | 5.27 | 5.45 | 5.22 | 5.26 | 5.26 | 0.19% | 694,942 |
| Jun 9, 2025 | 5.49 | 5.53 | 5.05 | 5.25 | 5.25 | -2.96% | 2,323,216 |
| Jun 6, 2025 | 5.11 | 5.44 | 5.05 | 5.41 | 5.41 | 6.92% | 1,250,560 |
| Jun 5, 2025 | 4.87 | 5.20 | 4.76 | 5.06 | 5.06 | 3.69% | 1,496,886 |
| Jun 4, 2025 | 4.83 | 4.88 | 4.66 | 4.88 | 4.88 | 1.04% | 1,142,961 |
| Jun 3, 2025 | 4.66 | 4.85 | 4.53 | 4.83 | 4.83 | 3.65% | 1,307,546 |