Prothena Corp. PLC historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-05-06 | 11.190 | 11.190 | 11.184 | 11.184 | 11.184 | 27 |
| 2026-05-05 | 10.970 | 11.239 | 10.841 | 11.092 | 11.092 | 149 |
| 2026-05-04 | 10.640 | 10.900 | 10.609 | 10.609 | 10.609 | 57 |
| 2026-05-01 | 10.902 | 10.930 | 10.770 | 10.930 | 10.930 | 189 |
| 2026-04-30 | 10.760 | 11.070 | 10.760 | 11.070 | 11.070 | 190 |
| 2026-04-29 | 11.425 | 11.425 | 10.870 | 10.870 | 10.870 | 3,988 |
| 2026-04-28 | 10.840 | 11.197 | 10.720 | 11.197 | 11.197 | 282 |
| 2026-04-27 | 10.710 | 11.070 | 10.710 | 11.052 | 11.052 | 19 |
| 2026-04-24 | 10.648 | 10.860 | 10.638 | 10.680 | 10.680 | 1,565 |
| 2026-04-23 | 10.880 | 11.010 | 10.690 | 10.894 | 10.894 | 441 |
| 2026-04-22 | 10.720 | 10.770 | 10.720 | 10.745 | 10.745 | 205 |
| 2026-04-21 | 10.782 | 11.000 | 10.520 | 10.520 | 10.520 | 800 |
| 2026-04-20 | 10.900 | 11.000 | 10.890 | 10.900 | 10.900 | 11 |
| 2026-04-17 | 10.540 | 10.952 | 10.540 | 10.952 | 10.952 | 147 |
| 2026-04-16 | 10.780 | 10.873 | 10.461 | 10.461 | 10.461 | 882 |
| 2026-04-15 | 10.505 | 10.810 | 10.440 | 10.810 | 10.810 | 838 |
| 2026-04-14 | 10.340 | 10.660 | 10.080 | 10.660 | 10.660 | 174 |
| 2026-04-13 | 10.490 | 10.522 | 10.182 | 10.182 | 10.182 | 546 |
| 2026-04-10 | 10.600 | 10.668 | 10.380 | 10.420 | 10.420 | 661 |
| 2026-04-09 | 10.470 | 10.710 | 10.439 | 10.445 | 10.445 | 202 |
| 2026-04-08 | 10.480 | 10.800 | 10.290 | 10.345 | 10.345 | 492 |
| 2026-04-07 | 9.670 | 10.265 | 9.670 | 10.265 | 10.265 | 283 |
| 2026-04-02 | 9.970 | 9.998 | 9.825 | 9.825 | 9.825 | 498 |
| 2026-04-01 | 9.898 | 10.090 | 9.800 | 10.070 | 10.070 | 512 |
| 2026-03-31 | 9.650 | 9.785 | 9.360 | 9.713 | 9.713 | 546 |
| 2026-03-30 | 9.240 | 9.390 | 9.240 | 9.382 | 9.382 | 468 |
| 2026-03-27 | 9.100 | 9.455 | 9.100 | 9.380 | 9.380 | 1,000 |
| 2026-03-26 | 9.400 | 9.585 | 9.320 | 9.550 | 9.550 | 1,496 |
| 2026-03-25 | 9.070 | 9.130 | 8.990 | 9.100 | 9.100 | 1,745 |
| 2026-03-24 | 8.960 | 8.960 | 8.530 | 8.710 | 8.710 | 450 |
| 2026-03-23 | 8.830 | 9.046 | 8.830 | 8.902 | 8.902 | 2,025 |
| 2026-03-20 | 8.590 | 8.690 | 8.460 | 8.690 | 8.690 | 1,404 |
| 2026-03-19 | 8.540 | 8.572 | 8.431 | 8.431 | 8.431 | 653 |
| 2026-03-18 | 8.740 | 8.933 | 8.535 | 8.535 | 8.535 | 522 |
| 2026-03-17 | 9.100 | 9.100 | 9.003 | 9.003 | 9.003 | 17 |
| 2026-03-16 | 8.960 | 9.530 | 8.960 | 9.228 | 9.228 | 295 |
| 2026-03-13 | 9.220 | 9.445 | 8.960 | 9.250 | 9.250 | 982 |
| 2026-03-12 | 9.700 | 9.700 | 9.172 | 9.270 | 9.270 | 878 |
| 2026-03-11 | 9.610 | 9.930 | 9.465 | 9.687 | 9.687 | 34 |
| 2026-03-10 | 10.140 | 10.210 | 9.830 | 9.885 | 9.885 | 2,129 |
| 2026-03-09 | 9.070 | 9.794 | 9.070 | 9.710 | 9.710 | 604 |
| 2026-03-06 | 9.480 | 9.480 | 9.480 | 9.480 | 9.480 | 0 |
| 2026-03-05 | 9.610 | 10.000 | 9.550 | 9.562 | 9.562 | 2,611 |
| 2026-03-04 | 9.360 | 9.840 | 9.360 | 9.840 | 9.840 | 308 |
| 2026-03-03 | 9.180 | 9.180 | 9.180 | 9.180 | 9.180 | 7 |
| 2026-03-02 | 8.900 | 9.510 | 8.900 | 9.460 | 9.460 | 4,222 |
| 2026-02-27 | 8.635 | 8.790 | 8.530 | 8.660 | 8.660 | 55 |
| 2026-02-26 | 8.955 | 8.955 | 8.660 | 8.660 | 8.660 | 511 |
| 2026-02-25 | 9.000 | 9.000 | 8.630 | 8.630 | 8.630 | 305 |
| 2026-02-24 | 9.100 | 9.300 | 8.720 | 9.060 | 9.060 | 28 |
| 2026-02-23 | 8.990 | 9.400 | 8.830 | 8.830 | 8.830 | 95 |
| 2026-02-20 | 9.488 | 9.488 | 8.295 | 8.666 | 8.666 | 2,575 |
| 2026-02-19 | 9.280 | 9.280 | 8.970 | 9.060 | 9.060 | 11 |
| 2026-02-18 | 9.170 | 9.170 | 9.104 | 9.104 | 9.104 | 8 |
| 2026-02-17 | 9.160 | 9.160 | 8.960 | 9.010 | 9.010 | 23 |
| 2026-02-16 | 9.120 | 9.120 | 9.120 | 9.120 | 9.120 | 0 |
| 2026-02-13 | 9.120 | 9.120 | 9.120 | 9.120 | 9.120 | 1 |
| 2026-02-12 | 8.940 | 8.940 | 8.760 | 8.865 | 8.865 | 3,518 |
| 2026-02-11 | 8.740 | 8.740 | 8.740 | 8.740 | 8.740 | 1 |
| 2026-02-10 | 8.970 | 9.040 | 8.970 | 9.040 | 9.040 | 53 |
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.