Prothena Corporation plc PRTA
8.16 USD -0.07 (-0.85%)
Regular-session close
8.17 +0.01 +0.12%
After hours · Nov 13, 4:15 PM ET
8.01 Day range 8.31
7.89 52-week range 11.51
- YTD
- -14.55%
- 1 year
- -19.84%
PRTA price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 8.21 | 8.31 | 8.01 | 8.16 | -0.07 | -0.85% | 334,447 |
| Nov 12, 2026 | 8.70 | 8.70 | 8.22 | 8.23 | -0.50 | -5.73% | 237,000 |
| Nov 11, 2026 | 8.55 | 8.77 | 8.47 | 8.73 | +0.17 | +1.99% | 392,300 |
| Nov 10, 2026 | 8.63 | 8.76 | 8.31 | 8.56 | -0.21 | -2.39% | 394,200 |
| Nov 9, 2026 | 8.05 | 8.85 | 7.79 | 8.77 | +0.80 | +10.04% | 741,100 |
| Nov 6, 2026 | 7.87 | 8.17 | 7.86 | 7.97 | +0.08 | +1.01% | 421,800 |
| Nov 5, 2026 | 8.38 | 8.38 | 7.87 | 7.89 | -0.50 | -5.96% | 518,500 |
| Nov 4, 2026 | 8.48 | 8.56 | 8.30 | 8.39 | +0.18 | +2.19% | 289,200 |
| Nov 3, 2026 | 8.30 | 8.49 | 8.15 | 8.21 | -0.08 | -0.97% | 289,000 |
| Nov 2, 2026 | 8.45 | 8.49 | 8.10 | 8.29 | -0.18 | -2.13% | 462,500 |
| Oct 30, 2026 | 8.79 | 8.90 | 8.35 | 8.47 | -0.41 | -4.62% | 452,300 |
| Oct 29, 2026 | 9.10 | 9.26 | 8.75 | 8.88 | -0.22 | -2.42% | 370,100 |
| Oct 28, 2026 | 8.64 | 9.22 | 8.60 | 9.10 | +0.29 | +3.29% | 751,900 |
| Oct 27, 2026 | 8.40 | 8.85 | 8.35 | 8.81 | +0.41 | +4.88% | 654,300 |
| Oct 26, 2026 | 8.34 | 8.49 | 8.21 | 8.40 | +0.20 | +2.44% | 594,500 |
| Oct 23, 2026 | 8.18 | 8.27 | 7.93 | 8.20 | -0.05 | -0.61% | 386,100 |
| Oct 22, 2026 | 8.01 | 8.28 | 7.96 | 8.25 | +0.22 | +2.74% | 381,800 |
| Oct 21, 2026 | 8.47 | 8.54 | 8.01 | 8.03 | -0.47 | -5.53% | 461,400 |
| Oct 20, 2026 | 8.55 | 8.65 | 8.45 | 8.50 | +0.02 | +0.24% | 529,000 |
| Oct 19, 2026 | 8.39 | 8.57 | 8.31 | 8.48 | +0.13 | +1.56% | 361,100 |
| Oct 16, 2026 | 8.58 | 8.62 | 8.24 | 8.35 | -0.15 | -1.76% | 670,300 |
| Oct 15, 2026 | 8.54 | 8.65 | 8.44 | 8.50 | +0.13 | +1.55% | 358,400 |
| Oct 14, 2026 | 8.28 | 8.56 | 8.19 | 8.37 | +0.01 | +0.12% | 619,100 |
| Oct 13, 2026 | 8.45 | 8.55 | 8.20 | 8.36 | -0.07 | -0.83% | 573,300 |
| Oct 12, 2026 | 8.81 | 8.81 | 8.40 | 8.43 | -0.41 | -4.64% | 489,800 |
| Oct 9, 2026 | 8.57 | 9.31 | 8.50 | 8.84 | +0.23 | +2.67% | 931,600 |
| Oct 8, 2026 | 8.43 | 8.81 | 8.36 | 8.61 | +0.13 | +1.53% | 642,400 |
| Oct 7, 2026 | 7.93 | 8.63 | 7.88 | 8.48 | +0.46 | +5.74% | 690,400 |
| Oct 6, 2026 | 8.28 | 8.28 | 7.80 | 8.02 | -0.25 | -3.02% | 508,300 |
| Oct 5, 2026 | 8.34 | 8.37 | 7.91 | 8.27 | -0.09 | -1.08% | 714,500 |
| Oct 2, 2026 | 8.62 | 8.62 | 8.35 | 8.36 | -0.18 | -2.11% | 675,800 |
| Oct 1, 2026 | 8.54 | 8.58 | 8.35 | 8.54 | +0.16 | +1.91% | 457,100 |
| Sep 30, 2026 | 8.98 | 8.99 | 8.36 | 8.38 | -0.40 | -4.56% | 634,800 |
| Sep 29, 2026 | 8.66 | 8.80 | 8.59 | 8.78 | +0.06 | +0.69% | 602,300 |
| Sep 28, 2026 | 8.25 | 8.86 | 8.07 | 8.72 | +0.43 | +5.19% | 488,900 |
| Sep 25, 2026 | 8.38 | 8.52 | 8.19 | 8.29 | -0.03 | -0.36% | 481,000 |
| Sep 24, 2026 | 8.63 | 8.73 | 8.28 | 8.32 | -0.36 | -4.15% | 426,100 |
| Sep 23, 2026 | 8.94 | 8.97 | 8.66 | 8.68 | -0.31 | -3.45% | 357,800 |
| Sep 22, 2026 | 8.72 | 9.09 | 8.70 | 8.99 | +0.48 | +5.64% | 445,500 |
| Sep 21, 2026 | 8.59 | 8.80 | 8.46 | 8.51 | -0.07 | -0.82% | 361,900 |
| Sep 18, 2026 | 8.41 | 8.60 | 8.25 | 8.58 | +0.12 | +1.42% | 1,830,900 |
| Sep 17, 2026 | 8.39 | 8.56 | 8.23 | 8.46 | +0.22 | +2.67% | 404,800 |
| Sep 16, 2026 | 8.35 | 8.50 | 8.20 | 8.24 | -0.09 | -1.08% | 398,300 |
| Sep 15, 2026 | 8.86 | 8.86 | 8.30 | 8.33 | -0.53 | -5.98% | 323,400 |
| Sep 14, 2026 | 8.95 | 8.99 | 8.79 | 8.86 | -0.07 | -0.78% | 374,900 |
| Sep 11, 2026 | 9.06 | 9.14 | 8.77 | 8.93 | -0.09 | -1.00% | 376,300 |
| Sep 10, 2026 | 9.25 | 9.26 | 8.97 | 9.02 | -0.28 | -3.01% | 310,800 |
| Sep 9, 2026 | 9.40 | 9.50 | 9.22 | 9.30 | -0.24 | -2.52% | 294,600 |
| Sep 8, 2026 | 9.60 | 9.67 | 9.35 | 9.54 | -0.28 | -2.85% | 305,400 |
| Sep 4, 2026 | 9.50 | 9.87 | 9.48 | 9.82 | +0.22 | +2.29% | 383,900 |
| Sep 3, 2026 | 9.77 | 9.78 | 9.51 | 9.60 | -0.09 | -0.93% | 275,200 |
| Sep 2, 2026 | 9.64 | 9.75 | 9.37 | 9.69 | +0.08 | +0.83% | 341,100 |
| Sep 1, 2026 | 9.28 | 9.63 | 9.26 | 9.61 | +0.26 | +2.78% | 267,700 |
| Aug 31, 2026 | 9.26 | 9.40 | 9.10 | 9.35 | +0.02 | +0.21% | 335,100 |
| Aug 28, 2026 | 9.02 | 9.48 | 8.95 | 9.33 | +0.24 | +2.64% | 498,100 |
| Aug 27, 2026 | 9.16 | 9.24 | 8.95 | 9.09 | -0.16 | -1.73% | 338,900 |
| Aug 26, 2026 | 9.40 | 9.40 | 9.15 | 9.25 | -0.17 | -1.80% | 289,000 |
| Aug 25, 2026 | 9.51 | 9.82 | 9.42 | 9.42 | +0.03 | +0.32% | 363,700 |
| Aug 24, 2026 | 9.46 | 9.49 | 9.19 | 9.39 | -0.06 | -0.63% | 248,100 |
| Aug 21, 2026 | 9.11 | 9.52 | 9.09 | 9.45 | +0.42 | +4.65% | 376,000 |
| Aug 20, 2026 | 9.13 | 9.15 | 8.71 | 9.03 | -0.26 | -2.80% | 346,000 |
| Aug 19, 2026 | 8.91 | 9.34 | 8.91 | 9.29 | +0.58 | +6.66% | 385,500 |
| Aug 18, 2026 | 8.88 | 9.00 | 8.58 | 8.71 | -0.17 | -1.91% | 248,600 |
| Aug 17, 2026 | 8.84 | 9.07 | 8.73 | 8.88 | +0.02 | +0.23% | 365,900 |
| Aug 14, 2026 | 9.04 | 9.15 | 8.84 | 8.86 | -0.22 | -2.42% | 312,600 |
65 days, newest first. Daily bars as drawn on the PRTA chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.
