Prothena (PRTA)
NASDAQ:PRTA
Time Period
1Y
Events
Historical Prices
Rows:
Apr 07, 2026
9.98
10.37
9.80
10.36
10.36
+3.19%
481,374
0.98
Apr 06, 2026
9.91
10.11
9.88
10.04
10.04
+1.83%
412,513
0.83
Apr 03, 2026
9.75
10.08
9.51
9.86
9.86
0.00%
0
0.00
Apr 02, 2026
9.75
10.08
9.51
9.86
9.86
-1.69%
849,122
1.70
Apr 01, 2026
9.84
10.12
9.80
10.03
10.03
+3.19%
593,297
1.19
Mar 31, 2026
9.33
9.86
9.33
9.72
9.72
+5.08%
671,532
1.38
Mar 30, 2026
9.24
9.50
9.11
9.25
9.25
-0.11%
416,193
0.85
Mar 27, 2026
9.42
9.62
9.14
9.26
9.26
-2.73%
430,062
0.88
Mar 26, 2026
9.19
9.68
9.16
9.52
9.52
+2.26%
452,730
0.93
Mar 25, 2026
8.84
9.32
8.82
9.31
9.31
+6.64%
543,662
1.12
Mar 24, 2026
8.75
8.96
8.49
8.73
8.73
-1.02%
534,726
1.12
Mar 23, 2026
8.83
9.04
8.76
8.82
8.82
+0.80%
487,557
1.03
Mar 20, 2026
8.54
8.76
8.44
8.75
8.75
+2.46%
1,401,607
3.03
Mar 19, 2026
8.54
8.63
8.38
8.54
8.54
-0.58%
465,393
1.00
Mar 18, 2026
8.94
8.94
8.53
8.59
8.59
-4.56%
495,887
0.95
Mar 17, 2026
9.10
9.20
8.96
9.00
9.00
-1.85%
467,125
0.89
Mar 16, 2026
9.27
9.32
9.06
9.17
9.17
-0.43%
489,168
0.93
Mar 13, 2026
9.40
9.54
9.00
9.21
9.21
-1.07%
584,493
1.11
Mar 12, 2026
9.48
9.48
9.09
9.31
9.31
-2.82%
737,000
1.39
Mar 11, 2026
9.70
9.84
9.26
9.58
9.58
-1.94%
695,232
1.32
Mar 10, 2026
10.21
10.27
9.68
9.77
9.77
-0.41%
628,373
1.19
Mar 09, 2026
9.27
9.95
9.22
9.81
9.81
+2.29%
625,843
1.18
Mar 06, 2026
9.24
9.64
9.24
9.59
9.59
+1.37%
651,790
1.23
Mar 05, 2026
9.70
10.06
9.36
9.46
9.46
-4.06%
509,804
0.96
Mar 04, 2026
9.36
9.96
9.36
9.86
9.86
+5.34%
543,331
1.03
Mar 03, 2026
9.09
9.62
8.95
9.36
9.36
-0.43%
553,435
1.03
Mar 02, 2026
9.09
9.62
8.97
9.40
9.40
+8.42%
811,088
1.51
Feb 27, 2026
8.53
8.79
8.48
8.67
8.67
+0.35%
439,378
0.81
Feb 26, 2026
8.88
8.96
8.63
8.64
8.64
-2.70%
355,723
0.65
Feb 25, 2026
9.00
9.11
8.53
8.88
8.88
-1.00%
490,497
0.90
Feb 24, 2026
9.03
9.30
8.75
8.97
8.97
-1.10%
448,814
0.84
Feb 23, 2026
9.00
9.34
8.81
9.07
9.07
+0.55%
465,762
0.87
Feb 20, 2026
9.38
9.59
8.20
9.02
9.02
-0.11%
786,420
1.48
Feb 19, 2026
9.06
9.20
8.80
9.03
9.03
-0.66%
349,728
0.65
Feb 18, 2026
8.81
9.23
8.81
9.09
9.09
+1.45%
307,596
0.57
Feb 17, 2026
8.96
9.21
8.80
8.96
8.96
0.00%
374,772
0.69
Feb 16, 2026
8.85
9.24
8.85
8.96
8.96
0.00%
0
0.00
Feb 13, 2026
8.85
9.24
8.85
8.96
8.96
+1.24%
308,607
0.56
Feb 12, 2026
8.93
9.04
8.72
8.85
8.85
-0.90%
351,722
0.63
Feb 11, 2026
9.01
9.09
8.65
8.93
8.93
+0.79%
271,115
0.48
Feb 10, 2026
8.81
9.12
8.77
8.96
8.96
+1.13%
329,528
0.58
Feb 09, 2026
8.90
9.04
8.59
8.86
8.86
-0.56%
356,096
0.62
Feb 06, 2026
8.58
8.99
8.56
8.91
8.91
+6.71%
581,028
1.01
Feb 05, 2026
8.86
9.05
8.23
8.35
8.35
-6.07%
518,973
0.90
Feb 04, 2026
8.77
9.04
8.48
8.89
8.89
+1.25%
451,706
0.77
Feb 03, 2026
8.90
9.05
8.61
8.78
8.78
-1.46%
280,865
0.48
Feb 02, 2026
8.79
8.95
8.39
8.91
8.91
+1.14%
556,687
0.95
Jan 30, 2026
8.98
9.07
8.65
8.81
8.81
-2.76%
389,955
0.66
Jan 29, 2026
9.15
9.50
8.95
9.06
9.06
-0.88%
362,299
0.61
Jan 28, 2026
9.69
9.78
9.10
9.14
9.14
-6.06%
422,156
0.71
Rows: