Prothena Corp. PLC historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-11-12 | 10.360 | 10.810 | 10.180 | 10.771 | 10.771 | 1,147 |
| 2025-11-11 | 10.500 | 10.710 | 10.390 | 10.710 | 10.710 | 278 |
| 2025-11-10 | 10.985 | 11.030 | 10.760 | 10.830 | 10.830 | 2,790 |
| 2025-11-07 | 10.490 | 10.755 | 9.730 | 10.054 | 10.054 | 2,404 |
| 2025-11-06 | 10.270 | 10.396 | 10.270 | 10.370 | 10.370 | 482 |
| 2025-11-05 | 10.290 | 10.290 | 10.070 | 10.276 | 10.276 | 304 |
| 2025-11-04 | 10.340 | 10.520 | 10.195 | 10.220 | 10.220 | 1,121 |
| 2025-11-03 | 11.000 | 11.150 | 10.700 | 10.876 | 10.876 | 353 |
| 2025-10-31 | 10.400 | 10.724 | 10.400 | 10.555 | 10.555 | 363 |
| 2025-10-30 | 10.714 | 10.760 | 10.350 | 10.525 | 10.525 | 329 |
| 2025-10-29 | 10.760 | 10.760 | 10.500 | 10.620 | 10.620 | 370 |
| 2025-10-28 | 10.730 | 11.668 | 10.700 | 10.700 | 10.700 | 15,086 |
| 2025-10-27 | 9.980 | 10.360 | 9.920 | 10.332 | 10.332 | 856 |
| 2025-10-24 | 9.800 | 9.970 | 9.680 | 9.880 | 9.880 | 154 |
| 2025-10-23 | 9.880 | 10.011 | 9.784 | 9.938 | 9.938 | 212 |
| 2025-10-22 | 10.220 | 10.330 | 9.724 | 9.834 | 9.834 | 201 |
| 2025-10-21 | 10.370 | 10.420 | 10.284 | 10.284 | 10.284 | 157 |
| 2025-10-20 | 10.144 | 10.440 | 10.044 | 10.440 | 10.440 | 1,045 |
| 2025-10-17 | 9.990 | 10.300 | 9.630 | 9.759 | 9.759 | 624 |
| 2025-10-16 | 10.760 | 10.805 | 10.550 | 10.550 | 10.550 | 1,468 |
| 2025-10-15 | 10.120 | 10.534 | 10.120 | 10.438 | 10.438 | 777 |
| 2025-10-14 | 10.320 | 10.320 | 10.070 | 10.180 | 10.180 | 349 |
| 2025-10-13 | 10.030 | 10.240 | 10.030 | 10.115 | 10.115 | 432 |
| 2025-10-10 | 10.340 | 10.485 | 10.044 | 10.094 | 10.094 | 1,157 |
| 2025-10-09 | 10.430 | 10.630 | 10.412 | 10.458 | 10.458 | 598 |
| 2025-10-08 | 10.340 | 10.510 | 10.303 | 10.412 | 10.412 | 2,485 |
| 2025-10-07 | 10.120 | 10.360 | 10.001 | 10.112 | 10.112 | 6,885 |
| 2025-10-06 | 9.920 | 10.074 | 9.855 | 9.864 | 9.864 | 1,727 |
| 2025-10-03 | 10.020 | 10.146 | 9.603 | 9.864 | 9.864 | 1,341 |
| 2025-10-02 | 9.600 | 10.120 | 9.600 | 10.086 | 10.086 | 677 |
| 2025-10-01 | 9.800 | 10.450 | 9.790 | 10.332 | 10.332 | 5,431 |
| 2025-09-30 | 9.730 | 9.748 | 9.614 | 9.729 | 9.729 | 212 |
| 2025-09-29 | 9.430 | 9.430 | 9.249 | 9.340 | 9.340 | 550 |
| 2025-09-26 | 9.375 | 9.480 | 9.030 | 9.289 | 9.289 | 189 |
| 2025-09-25 | 9.280 | 9.500 | 8.860 | 9.420 | 9.420 | 1,276 |
| 2025-09-24 | 8.320 | 8.990 | 8.220 | 8.990 | 8.990 | 724 |
| 2025-09-23 | 8.240 | 8.292 | 8.144 | 8.292 | 8.292 | 1,724 |
| 2025-09-22 | 8.040 | 8.372 | 8.030 | 8.372 | 8.372 | 2,703 |
| 2025-09-19 | 8.200 | 8.200 | 8.092 | 8.188 | 8.188 | 95 |
| 2025-09-18 | 8.180 | 8.285 | 8.110 | 8.178 | 8.178 | 1,804 |
| 2025-09-17 | 8.190 | 8.310 | 8.151 | 8.310 | 8.310 | 796 |
| 2025-09-16 | 8.120 | 8.313 | 8.120 | 8.303 | 8.303 | 232 |
| 2025-09-15 | 8.180 | 8.300 | 8.101 | 8.272 | 8.272 | 459 |
| 2025-09-12 | 8.490 | 8.490 | 8.490 | 8.490 | 8.490 | 198 |
| 2025-09-11 | 8.200 | 8.392 | 8.200 | 8.237 | 8.237 | 376 |
| 2025-09-10 | 8.340 | 8.400 | 8.230 | 8.242 | 8.242 | 213 |
| 2025-09-09 | 8.500 | 8.500 | 8.121 | 8.221 | 8.221 | 49,668 |
| 2025-09-08 | 8.610 | 8.610 | 8.322 | 8.541 | 8.541 | 963 |
| 2025-09-05 | 8.240 | 8.561 | 8.110 | 8.464 | 8.464 | 1,089 |
| 2025-09-04 | 8.450 | 8.450 | 8.110 | 8.221 | 8.221 | 2,002 |
| 2025-09-03 | 8.240 | 8.440 | 8.171 | 8.235 | 8.235 | 1,506 |
| 2025-09-02 | 8.170 | 8.291 | 8.063 | 8.291 | 8.291 | 3,892 |
| 2025-09-01 | 8.105 | 8.105 | 8.105 | 8.105 | 8.105 | 0 |
| 2025-08-29 | 8.270 | 8.310 | 8.105 | 8.105 | 8.105 | 1,431 |
| 2025-08-28 | 8.830 | 8.830 | 8.020 | 8.200 | 8.200 | 21,876 |
| 2025-08-27 | 8.360 | 8.649 | 8.310 | 8.649 | 8.649 | 247 |
| 2025-08-26 | 8.350 | 8.520 | 8.350 | 8.361 | 8.361 | 2,122 |
| 2025-08-25 | 8.760 | 8.760 | 8.560 | 8.560 | 8.560 | 1,996 |
| 2025-08-22 | 8.630 | 8.960 | 8.620 | 8.942 | 8.942 | 4,045 |
| 2025-08-21 | 8.410 | 8.500 | 8.320 | 8.472 | 8.472 | 4,951 |
Stock splits
No stock splits on record.
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.