5 DAY PERFORMANCE
+3.81%
1 MONTH PERFORMANCE
+8.67%
3 MONTH PERFORMANCE
+30.53%
6 MONTH PERFORMANCE
+120.55%
YEAR-TO-DATE PERFORMANCE
-19.42%
1 YEAR PERFORMANCE
-19.89%
Prothena Corporation plc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 12/04/2025 | $11.21 | $11.16 (-0.45%) | $11.59 | $10.95 | 1.13 M | $600.74 M |
| 12/03/2025 | $10.40 | $11.17 (7.4%) | $11.48 | $10.31 | 777.50 K | $601.28 M |
| 12/02/2025 | $10.29 | $10.35 (0.58%) | $10.53 | $10.14 | 615.12 K | $557.14 M |
| 12/01/2025 | $10.98 | $10.27 (-6.47%) | $11.13 | $10.22 | 648.51 K | $552.83 M |
| 11/28/2025 | $10.52 | $10.75 (2.19%) | $10.83 | $10.46 | 288.73 K | $578.67 M |
| 11/26/2025 | $10.48 | $10.43 (-0.48%) | $10.59 | $10.37 | 451.42 K | $561.45 M |
| 11/25/2025 | $10.50 | $10.50 (0%) | $10.62 | $10.30 | 515.60 K | $565.22 M |
| 11/24/2025 | $10.55 | $10.40 (-1.42%) | $10.91 | $10.29 | 776.17 K | $559.83 M |
| 11/21/2025 | $10.02 | $10.48 (4.59%) | $10.69 | $9.90 | 461.20 K | $564.14 M |
| 11/20/2025 | $10.12 | $10.05 (-0.69%) | $10.51 | $9.99 | 460.50 K | $540.99 M |
| 11/19/2025 | $10.29 | $9.99 (-2.92%) | $10.49 | $9.97 | 479.70 K | $537.76 M |
| 11/18/2025 | $10.18 | $10.36 (1.77%) | $10.42 | $9.96 | 427.95 K | $557.68 M |
| 11/17/2025 | $9.94 | $10.25 (3.12%) | $10.32 | $9.75 | 827.25 K | $551.76 M |
| 11/14/2025 | $10.04 | $9.93 (-1.1%) | $10.33 | $9.93 | 504.50 K | $534.53 M |
| 11/13/2025 | $10.83 | $10.18 (-6%) | $10.83 | $10.12 | 679.64 K | $547.99 M |
| 11/12/2025 | $10.36 | $10.85 (4.73%) | $10.90 | $10.22 | 686.42 K | $584.06 M |
| 11/11/2025 | $10.39 | $10.48 (0.87%) | $10.75 | $10.14 | 603.64 K | $564.14 M |
| 11/10/2025 | $10.90 | $10.53 (-3.39%) | $11.09 | $10.47 | 694.73 K | $566.83 M |
| 11/07/2025 | $10.49 | $10.56 (0.67%) | $10.96 | $9.72 | 928.40 K | $568.44 M |
| 11/06/2025 | $10.30 | $10.08 (-2.14%) | $10.50 | $10.02 | 557.22 K | $542.61 M |
| 11/05/2025 | $10.17 | $10.27 (0.98%) | $10.45 | $10.00 | 535.31 K | $552.83 M |
| 11/04/2025 | $10.40 | $10.26 (-1.35%) | $10.56 | $10.16 | 600.35 K | $552.30 M |
| 11/03/2025 | $10.76 | $10.54 (-2.04%) | $11.17 | $10.41 | 612.50 K | $567.37 M |
| 10/31/2025 | $10.54 | $10.75 (1.99%) | $10.79 | $10.40 | 479.95 K | $578.64 M |
| 10/30/2025 | $10.63 | $10.48 (-1.41%) | $10.82 | $10.35 | 381.50 K | $564.11 M |
| 10/29/2025 | $10.60 | $10.65 (0.47%) | $10.80 | $10.34 | 596.01 K | $573.26 M |
| 10/28/2025 | $11.14 | $10.54 (-5.39%) | $11.69 | $10.40 | 969.34 K | $567.34 M |
| 10/27/2025 | $9.98 | $10.37 (3.91%) | $10.40 | $9.95 | 405.39 K | $558.19 M |
| 10/24/2025 | $9.80 | $9.82 (0.2%) | $10.02 | $9.71 | 362.61 K | $528.58 M |
| 10/23/2025 | $9.88 | $9.75 (-1.32%) | $9.97 | $9.72 | 349.01 K | $524.81 M |
| 10/22/2025 | $10.22 | $9.88 (-3.33%) | $10.35 | $9.72 | 429.44 K | $531.81 M |
| 10/21/2025 | $10.37 | $10.22 (-1.45%) | $10.61 | $10.18 | 289.90 K | $550.11 M |
| 10/20/2025 | $10.05 | $10.37 (3.18%) | $10.55 | $9.96 | 558.92 K | $558.19 M |
| 10/17/2025 | $9.99 | $9.92 (-0.7%) | $10.23 | $9.61 | 777.39 K | $533.96 M |
| 10/16/2025 | $10.76 | $10.09 (-6.23%) | $10.90 | $10.03 | 624.90 K | $543.11 M |
| 10/15/2025 | $10.12 | $10.66 (5.34%) | $10.72 | $10.12 | 801.96 K | $573.80 M |
| 10/14/2025 | $10.32 | $10.12 (-1.94%) | $10.32 | $10.03 | 392.10 K | $544.73 M |
| 10/13/2025 | $10.03 | $10.35 (3.19%) | $10.35 | $10.00 | 703.20 K | $557.11 M |
| 10/10/2025 | $10.34 | $10.05 (-2.8%) | $10.45 | $9.98 | 734.10 K | $540.96 M |
| 10/09/2025 | $10.43 | $10.30 (-1.25%) | $10.65 | $10.28 | 801.31 K | $554.42 M |
| 10/08/2025 | $10.27 | $10.35 (0.78%) | $10.54 | $10.13 | 650.94 K | $557.11 M |
| 10/07/2025 | $10.12 | $10.17 (0.49%) | $10.37 | $9.92 | 1.03 M | $547.42 M |
| 10/06/2025 | $10.00 | $9.86 (-1.4%) | $10.09 | $9.77 | 343.50 K | $530.73 M |
| 10/03/2025 | $10.02 | $9.92 (-1%) | $10.16 | $9.58 | 852.91 K | $533.96 M |
| 10/02/2025 | $9.95 | $9.99 (0.4%) | $10.22 | $9.85 | 767.60 K | $537.73 M |
| 10/01/2025 | $9.79 | $9.92 (1.33%) | $10.46 | $9.78 | 965.90 K | $533.96 M |
| 09/30/2025 | $9.73 | $9.76 (0.31%) | $9.85 | $9.50 | 989.15 K | $525.35 M |
| 09/29/2025 | $9.43 | $9.76 (3.5%) | $9.82 | $9.21 | 946.54 K | $525.35 M |
| 09/26/2025 | $9.29 | $9.41 (1.29%) | $9.46 | $9.02 | 715.26 K | $506.51 M |
| 09/25/2025 | $9.20 | $9.36 (1.74%) | $9.56 | $9.04 | 1.57 M | $503.82 M |
| 09/24/2025 | $8.32 | $9.32 (12.02%) | $9.34 | $8.30 | 1.12 M | $501.67 M |
| 09/23/2025 | $8.28 | $8.31 (0.36%) | $8.35 | $8.14 | 404.70 K | $447.30 M |
| 09/22/2025 | $8.12 | $8.29 (2.09%) | $8.43 | $8.02 | 511.94 K | $446.23 M |
| 09/19/2025 | $8.20 | $8.07 (-1.59%) | $8.23 | $8.07 | 910.70 K | $434.38 M |
| 09/18/2025 | $8.18 | $8.18 (0%) | $8.35 | $8.05 | 459.06 K | $440.30 M |
| 09/17/2025 | $8.19 | $8.06 (-1.59%) | $8.39 | $8.04 | 507.62 K | $433.85 M |
| 09/16/2025 | $8.12 | $8.16 (0.49%) | $8.36 | $8.12 | 362.50 K | $439.23 M |
| 09/15/2025 | $8.18 | $8.16 (-0.24%) | $8.35 | $8.10 | 713.70 K | $439.23 M |
| 09/12/2025 | $8.43 | $8.21 (-2.61%) | $8.49 | $8.20 | 551.10 K | $441.92 M |
| 09/11/2025 | $8.24 | $8.43 (2.31%) | $8.50 | $8.19 | 711.93 K | $453.76 M |
| 09/10/2025 | $8.34 | $8.31 (-0.36%) | $8.47 | $8.20 | 518.65 K | $447.30 M |
| 09/09/2025 | $8.50 | $8.34 (-1.88%) | $8.50 | $8.10 | 916.20 K | $448.92 M |
| 09/08/2025 | $8.61 | $8.49 (-1.39%) | $8.62 | $8.30 | 622.01 K | $456.99 M |
| 09/05/2025 | $8.24 | $8.55 (3.76%) | $8.59 | $8.21 | 1.13 M | $460.22 M |
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