Prothena (PRTA)
NASDAQ:PRTA
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Time Period
1Y
Events
Historical Prices
Rows:
Jun 26, 2026
9.32
10.09
9.28
10.02
10.02
+8.09%
1,914,376
3.77
Jun 25, 2026
9.42
9.58
9.19
9.27
9.27
-1.38%
964,889
1.93
Jun 24, 2026
9.57
9.87
9.26
9.40
9.40
-1.57%
477,913
0.96
Jun 23, 2026
9.12
9.77
9.12
9.55
9.55
+4.37%
458,044
0.91
Jun 22, 2026
8.90
9.27
8.89
9.15
9.15
+2.46%
612,544
1.23
Jun 18, 2026
8.63
9.15
8.52
8.93
8.93
+5.18%
1,390,833
2.78
Jun 17, 2026
8.39
8.72
8.39
8.49
8.49
+2.41%
542,968
1.09
Jun 16, 2026
8.16
8.35
7.85
8.29
8.29
+1.72%
586,272
1.18
Jun 15, 2026
8.69
8.77
7.93
8.15
8.15
-1.21%
622,611
1.26
Jun 12, 2026
8.26
8.45
8.23
8.25
8.25
-0.12%
314,129
0.63
Jun 11, 2026
7.89
8.46
7.73
8.26
8.26
+4.42%
634,229
1.28
Jun 10, 2026
8.42
8.59
7.89
7.91
7.91
-6.61%
456,981
0.91
Jun 09, 2026
8.56
8.87
8.35
8.47
8.47
-1.05%
493,477
0.98
Jun 08, 2026
8.80
8.89
8.53
8.56
8.56
-2.62%
313,207
0.62
Jun 05, 2026
9.25
9.38
8.63
8.79
8.79
-4.97%
656,306
1.29
Jun 04, 2026
9.03
9.45
9.03
9.25
9.25
+3.70%
504,872
0.99
Jun 03, 2026
9.21
9.21
8.73
8.92
8.92
-2.94%
593,186
1.16
Jun 02, 2026
9.59
9.59
9.12
9.19
9.19
-4.17%
439,010
0.86
Jun 01, 2026
10.03
10.07
9.50
9.59
9.59
-5.80%
457,809
0.89
May 29, 2026
9.93
10.24
9.80
10.18
10.18
+2.00%
501,434
0.97
May 28, 2026
9.95
10.05
9.93
9.98
9.98
-0.50%
281,818
0.54
May 27, 2026
10.11
10.26
10.01
10.03
10.03
-0.30%
616,187
1.19
May 26, 2026
9.84
10.07
9.45
10.06
10.06
+2.34%
918,666
1.80
May 22, 2026
9.36
10.00
9.36
9.83
9.83
+4.46%
510,853
1.00
May 21, 2026
9.16
9.42
9.04
9.41
9.41
+0.64%
388,741
0.76
May 20, 2026
9.09
9.41
9.09
9.35
9.35
+3.09%
624,875
1.22
May 19, 2026
9.61
9.84
9.02
9.07
9.07
-5.42%
627,307
1.24
May 18, 2026
9.66
10.09
9.53
9.59
9.59
-1.74%
650,972
1.30
May 15, 2026
9.73
9.86
9.46
9.76
9.76
-1.01%
700,063
1.41
May 14, 2026
9.60
9.88
9.42
9.86
9.86
+2.71%
452,435
0.92
May 13, 2026
9.33
9.73
9.28
9.60
9.60
+1.80%
530,784
1.09
May 12, 2026
9.67
9.82
9.29
9.43
9.43
-2.48%
495,103
1.02
May 11, 2026
10.79
10.88
9.46
9.67
9.67
-9.88%
845,931
1.78
May 08, 2026
11.00
11.80
10.62
10.73
10.73
+2.00%
798,769
1.71
May 07, 2026
11.10
11.21
10.40
10.52
10.52
-5.90%
443,144
0.95
May 06, 2026
11.19
11.30
11.02
11.18
11.18
-0.09%
333,877
0.71
May 05, 2026
10.89
11.25
10.89
11.19
11.19
+3.71%
306,816
0.65
May 04, 2026
10.58
11.00
10.55
10.79
10.79
+1.41%
592,359
1.26
May 01, 2026
11.04
11.14
10.64
10.64
10.64
-3.80%
516,354
1.10
Apr 30, 2026
10.89
11.12
10.84
11.06
11.06
+1.75%
319,520
0.68
Apr 29, 2026
11.46
11.46
10.74
10.87
10.87
-5.56%
397,581
0.84
Apr 28, 2026
10.84
11.57
10.83
11.51
11.51
+6.67%
439,891
0.94
Apr 27, 2026
10.71
11.12
10.71
10.79
10.79
+0.37%
314,337
0.67
Apr 24, 2026
10.65
10.82
10.40
10.75
10.75
+0.19%
287,930
0.61
Apr 23, 2026
10.69
11.07
10.60
10.73
10.73
+0.09%
474,683
1.00
Apr 22, 2026
10.69
10.85
10.61
10.72
10.72
+0.47%
350,784
0.73
Apr 21, 2026
10.78
10.78
10.48
10.67
10.67
-1.11%
451,072
0.94
Apr 20, 2026
10.82
10.97
10.77
10.79
10.79
-1.01%
333,298
0.69
Apr 17, 2026
10.71
10.99
10.70
10.90
10.90
+3.61%
486,483
1.00
Apr 16, 2026
10.78
10.85
10.45
10.52
10.52
-2.77%
298,913
0.62
Rows: