Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
6.23
-0.21 (-3.19%)
Jul 15, 2025, 4:00 PM - Market closed
Prothena Corporation Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Jun 2, 2025 | 4.56 | 4.81 | 4.53 | 4.66 | 4.66 | 1.53% | 1,775,839 |
| May 30, 2025 | 4.60 | 4.70 | 4.42 | 4.59 | 4.59 | -2.34% | 1,966,074 |
| May 29, 2025 | 4.70 | 4.94 | 4.63 | 4.70 | 4.70 | 2.17% | 5,379,370 |
| May 28, 2025 | 4.48 | 4.85 | 4.32 | 4.60 | 4.60 | 0.44% | 6,238,281 |
| May 27, 2025 | 4.79 | 5.35 | 4.45 | 4.58 | 4.58 | -30.40% | 9,655,051 |
| May 23, 2025 | 6.45 | 6.62 | 6.36 | 6.58 | 6.58 | 0.46% | 1,767,325 |
| May 22, 2025 | 6.75 | 6.88 | 6.52 | 6.55 | 6.55 | -3.96% | 965,101 |
| May 21, 2025 | 7.16 | 7.24 | 6.62 | 6.82 | 6.82 | -6.45% | 1,137,440 |
| May 20, 2025 | 7.45 | 7.59 | 7.23 | 7.29 | 7.29 | -1.49% | 1,249,789 |
| May 19, 2025 | 7.11 | 7.41 | 7.00 | 7.40 | 7.40 | 3.06% | 781,413 |
| May 16, 2025 | 6.71 | 7.33 | 6.65 | 7.18 | 7.18 | 6.92% | 1,170,871 |
| May 15, 2025 | 6.90 | 6.92 | 6.47 | 6.72 | 6.72 | -2.47% | 1,116,134 |
| May 14, 2025 | 7.57 | 7.70 | 6.82 | 6.89 | 6.89 | -9.29% | 1,882,776 |
| May 13, 2025 | 7.61 | 7.76 | 7.41 | 7.59 | 7.59 | -0.26% | 2,205,868 |
| May 12, 2025 | 7.57 | 8.05 | 7.17 | 7.61 | 7.61 | 2.42% | 1,425,409 |
| May 9, 2025 | 7.02 | 8.08 | 6.92 | 7.43 | 7.43 | 4.65% | 1,656,948 |
| May 8, 2025 | 7.30 | 7.44 | 7.01 | 7.10 | 7.10 | -2.61% | 1,713,603 |
| May 7, 2025 | 7.50 | 7.52 | 7.17 | 7.29 | 7.29 | -0.82% | 2,004,166 |
| May 6, 2025 | 8.02 | 8.80 | 7.35 | 7.35 | 7.35 | -9.03% | 4,164,929 |
| May 5, 2025 | 8.50 | 8.75 | 8.00 | 8.08 | 8.08 | -4.94% | 3,031,976 |
| May 2, 2025 | 8.75 | 9.50 | 8.25 | 8.50 | 8.50 | -2.52% | 5,556,982 |