Prothena Corporation plc - Ordinary Shares (PRTA)
9.8850
+0.1350 (1.38%)
NASDAQ · Last Trade: Oct 24th, 1:26 PM EDT
Historical Prices For Prothena Corporation plc - Ordinary Shares (PRTA)
| Date | Open | High | Low | Close | Volume | Adjusted Close |
|---|---|---|---|---|---|---|
| 10/23/2025 | 9.88 | 9.97 | 9.72 | 9.75 | 349,011 | 9.75 |
| 10/22/2025 | 10.22 | 10.35 | 9.72 | 9.88 | 429,432 | 9.88 |
| 10/21/2025 | 10.37 | 10.61 | 10.18 | 10.21 | 289,877 | 10.21 |
| 10/20/2025 | 10.05 | 10.55 | 9.96 | 10.37 | 558,918 | 10.37 |
| 10/17/2025 | 9.99 | 10.23 | 9.61 | 9.92 | 777,390 | 9.92 |
| 10/16/2025 | 10.76 | 10.90 | 10.03 | 10.09 | 624,860 | 10.09 |
| 10/15/2025 | 10.12 | 10.72 | 10.12 | 10.66 | 801,963 | 10.66 |
| 10/14/2025 | 10.32 | 10.32 | 10.03 | 10.12 | 392,072 | 10.12 |
| 10/13/2025 | 10.03 | 10.35 | 10.00 | 10.35 | 703,189 | 10.35 |
| 10/10/2025 | 10.34 | 10.45 | 9.98 | 10.05 | 734,065 | 10.05 |
| 10/09/2025 | 10.43 | 10.65 | 10.28 | 10.30 | 801,307 | 10.30 |
| 10/08/2025 | 10.27 | 10.54 | 10.13 | 10.35 | 650,918 | 10.35 |
| 10/07/2025 | 10.12 | 10.37 | 9.92 | 10.17 | 1,033,872 | 10.17 |
| 10/06/2025 | 10.00 | 10.09 | 9.77 | 9.86 | 343,452 | 9.86 |
| 10/03/2025 | 10.02 | 10.16 | 9.58 | 9.92 | 852,906 | 9.92 |
| 10/02/2025 | 9.95 | 10.22 | 9.85 | 9.99 | 767,514 | 9.99 |
| 10/01/2025 | 9.79 | 10.46 | 9.78 | 9.92 | 959,402 | 9.92 |
| 9/30/2025 | 9.73 | 9.85 | 9.50 | 9.76 | 989,121 | 9.76 |
| 9/29/2025 | 9.43 | 9.82 | 9.21 | 9.76 | 946,535 | 9.76 |
| 9/26/2025 | 9.29 | 9.46 | 9.02 | 9.41 | 722,759 | 9.41 |
| 9/25/2025 | 9.20 | 9.56 | 9.04 | 9.36 | 1,566,775 | 9.36 |
| 9/24/2025 | 8.32 | 9.34 | 8.30 | 9.32 | 1,116,744 | 9.32 |
| 9/23/2025 | 8.28 | 8.35 | 8.14 | 8.31 | 404,696 | 8.31 |
| 9/22/2025 | 8.12 | 8.43 | 8.02 | 8.29 | 511,942 | 8.29 |
| 9/19/2025 | 8.20 | 8.23 | 8.06 | 8.07 | 910,686 | 8.07 |
| 9/18/2025 | 8.18 | 8.35 | 8.05 | 8.18 | 459,057 | 8.18 |
| 9/17/2025 | 8.19 | 8.38 | 8.04 | 8.06 | 507,319 | 8.06 |
| 9/16/2025 | 8.12 | 8.36 | 8.12 | 8.16 | 362,452 | 8.16 |
| 9/15/2025 | 8.18 | 8.35 | 8.10 | 8.16 | 713,691 | 8.16 |
| 9/12/2025 | 8.43 | 8.49 | 8.20 | 8.21 | 551,060 | 8.21 |
| 9/11/2025 | 8.24 | 8.50 | 8.19 | 8.43 | 711,934 | 8.43 |
| 9/10/2025 | 8.34 | 8.47 | 8.20 | 8.30 | 518,573 | 8.30 |
| 9/09/2025 | 8.50 | 8.50 | 8.10 | 8.34 | 916,153 | 8.34 |
| 9/08/2025 | 8.61 | 8.62 | 8.30 | 8.49 | 622,009 | 8.49 |
| 9/05/2025 | 8.24 | 8.59 | 8.21 | 8.55 | 1,128,164 | 8.55 |
| 9/04/2025 | 8.45 | 8.46 | 8.11 | 8.21 | 961,587 | 8.21 |
| 9/03/2025 | 8.24 | 8.47 | 8.16 | 8.39 | 1,210,436 | 8.39 |
| 9/02/2025 | 8.17 | 8.43 | 8.06 | 8.27 | 1,048,928 | 8.27 |
| 8/29/2025 | 8.27 | 8.34 | 8.08 | 8.20 | 903,119 | 8.20 |
| 8/28/2025 | 8.22 | 8.58 | 8.05 | 8.24 | 1,710,848 | 8.24 |
| 8/27/2025 | 8.36 | 8.73 | 8.35 | 8.56 | 1,021,112 | 8.56 |
| 8/26/2025 | 8.35 | 8.56 | 8.30 | 8.35 | 1,653,408 | 8.35 |
| 8/25/2025 | 8.76 | 8.79 | 8.35 | 8.38 | 613,157 | 8.38 |
| 8/22/2025 | 8.63 | 8.97 | 8.52 | 8.77 | 1,244,739 | 8.77 |
| 8/21/2025 | 8.41 | 8.57 | 8.32 | 8.56 | 858,008 | 8.56 |
| 8/20/2025 | 8.50 | 8.60 | 8.28 | 8.52 | 639,174 | 8.52 |
| 8/19/2025 | 8.51 | 8.70 | 8.35 | 8.52 | 829,894 | 8.52 |
| 8/18/2025 | 8.36 | 8.66 | 8.29 | 8.53 | 1,164,541 | 8.53 |
| 8/15/2025 | 8.11 | 8.34 | 8.00 | 8.25 | 1,130,318 | 8.25 |
| 8/14/2025 | 8.02 | 8.12 | 7.78 | 8.06 | 590,370 | 8.06 |
| 8/13/2025 | 7.60 | 8.17 | 7.58 | 8.05 | 1,598,596 | 8.05 |
| 8/12/2025 | 7.77 | 7.96 | 7.50 | 7.54 | 906,550 | 7.54 |
| 8/11/2025 | 7.70 | 7.85 | 7.39 | 7.67 | 1,147,187 | 7.67 |
| 8/08/2025 | 7.74 | 7.94 | 7.63 | 7.69 | 921,633 | 7.69 |
| 8/07/2025 | 7.98 | 7.98 | 7.52 | 7.72 | 1,092,134 | 7.72 |
| 8/06/2025 | 7.52 | 8.01 | 7.28 | 7.91 | 3,107,958 | 7.91 |
| 8/05/2025 | 7.03 | 7.54 | 6.73 | 7.03 | 1,565,289 | 7.03 |
| 8/04/2025 | 6.85 | 6.99 | 6.70 | 6.94 | 957,884 | 6.94 |
| 8/01/2025 | 6.80 | 6.87 | 6.61 | 6.81 | 859,928 | 6.81 |
| 7/31/2025 | 6.91 | 7.22 | 6.83 | 6.87 | 994,942 | 6.87 |
| 7/30/2025 | 7.00 | 7.33 | 6.74 | 6.88 | 1,240,795 | 6.88 |
| 7/29/2025 | 6.89 | 7.10 | 6.80 | 6.93 | 724,885 | 6.93 |
| 7/28/2025 | 6.71 | 6.89 | 6.63 | 6.87 | 804,747 | 6.87 |
| 7/25/2025 | 6.75 | 6.86 | 6.58 | 6.68 | 772,127 | 6.68 |
| 7/24/2025 | 6.72 | 6.76 | 6.54 | 6.70 | 735,590 | 6.70 |