PTGX
Protagonist Ther (PTGX)
NASDAQ
$132.96-$1.90 (-1.41%)
Price as of Nov 12, 2026 10:03 AM EST
  • $8.8B
    Market Cap
  • 58.94%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -6.17%
    Low Price$128.75
    High Price$144.85
  • 3 Months
    -9.06%
    Low Price$128.75
    High Price$158.62
  • 1 Year
    +58.94%
    Low Price$79.73
    High Price$158.62
Date
Open
High
Low
Close
Change (%)
Volume
11/11/2026
136.51
136.98
132.03
134.86
-1.03%
332,592
11/10/2026
134.21
137.97
133.35
136.26
+0.26%
528,490
11/09/2026
135.02
137.93
131.31
135.90
+2.92%
607,111
11/06/2026
135.26
138.40
128.00
132.04
-2.38%
972,945
11/05/2026
142.56
143.30
134.39
135.26
-5.66%
585,963
11/05/2026
$3.07 Earnings
11/04/2026
145.61
145.61
138.39
143.37
+2.23%
777,782
11/03/2026
140.73
144.27
139.91
140.24
+0.62%
675,155
11/02/2026
145.74
146.01
139.35
139.37
-3.78%
487,048
10/30/2026
144.34
146.00
142.54
144.85
+0.35%
322,566
10/29/2026
144.03
146.44
142.87
144.34
+1.55%
325,557
10/28/2026
139.35
143.26
138.29
142.14
+0.72%
318,458
10/27/2026
140.08
142.37
137.91
141.12
+0.57%
865,925
10/26/2026
139.24
142.00
137.30
140.32
+1.37%
823,277
10/23/2026
136.89
139.52
135.00
138.43
-0.79%
409,430
10/22/2026
137.49
141.38
136.07
139.53
+1.05%
404,387
10/21/2026
139.71
141.85
137.96
138.08
+0.07%
990,174
10/20/2026
135.87
140.82
134.33
137.99
+2.64%
774,456
10/19/2026
130.09
134.97
128.01
134.44
+4.42%
654,158
10/16/2026
136.16
136.56
126.39
128.75
-5.71%
886,812
10/15/2026
136.72
139.11
136.03
136.55
+0.20%
707,730
10/14/2026
138.06
141.13
135.62
136.28
-1.60%
679,092
10/13/2026
146.00
146.00
137.81
138.49
-4.41%
1,031,829
10/12/2026
145.83
152.19
143.69
144.88
+0.80%
898,518
10/09/2026
139.91
146.30
138.95
143.73
+2.73%
763,098
10/08/2026
139.57
142.18
137.99
139.91
-0.72%
1,000,048
10/07/2026
137.34
144.10
137.25
140.92
+1.61%
927,270
10/06/2026
140.34
141.00
136.09
138.69
-1.38%
635,715
10/05/2026
139.96
142.51
138.08
140.63
+0.41%
1,273,822
10/02/2026
140.99
141.71
138.37
140.06
+0.63%
763,555
10/01/2026
139.23
143.68
138.37
139.19
-1.21%
886,245
09/30/2026
141.60
143.74
140.44
140.89
-0.06%
787,658
09/29/2026
143.45
144.09
138.88
140.97
-1.03%
508,013
09/28/2026
142.21
143.69
140.24
142.44
+0.41%
925,462
09/25/2026
141.81
143.45
138.23
141.86
+3.29%
809,292
09/24/2026
138.76
140.80
134.10
137.34
-0.98%
989,225
09/23/2026
144.27
145.28
137.88
138.70
-4.39%
513,226
09/22/2026
145.50
147.71
144.50
145.07
+0.06%
797,974
09/21/2026
143.22
145.37
141.09
144.98
+1.38%
822,198
09/18/2026
143.09
144.58
140.44
143.00
-0.49%
1,833,726
09/17/2026
144.39
146.50
142.31
143.70
+0.60%
558,901
09/16/2026
144.19
146.19
140.88
142.84
-0.39%
507,311
09/15/2026
147.48
147.99
142.00
143.40
-2.96%
637,522
09/14/2026
150.23
151.24
146.83
147.78
-0.27%
608,017
09/11/2026
147.18
150.48
145.82
148.18
+2.08%
478,038
09/10/2026
143.29
146.51
142.00
145.16
+0.05%
543,129
09/09/2026
146.05
151.19
144.46
145.09
-0.58%
530,534
09/08/2026
143.61
147.29
142.00
145.94
+0.15%
700,023
09/04/2026
146.47
147.99
144.01
145.72
-2.07%
501,305
09/03/2026
146.68
149.49
144.00
148.80
+1.86%
354,191
09/02/2026
148.00
149.42
144.61
146.08
-0.28%
561,612
09/01/2026
147.75
150.34
144.73
146.49
-0.85%
534,144
08/31/2026
143.26
149.30
141.95
147.75
+2.37%
562,654
08/28/2026
147.73
147.95
142.43
144.33
-3.46%
501,247
08/27/2026
150.35
151.68
147.11
149.50
-1.32%
381,576
08/26/2026
150.36
152.07
147.69
151.50
+0.60%
335,462
08/25/2026
155.84
157.98
150.09
150.59
-2.67%
664,526
08/24/2026
154.32
158.08
149.94
154.72
+0.26%
483,342
08/21/2026
152.10
154.95
150.82
154.32
+2.41%
402,542
08/20/2026
152.45
155.25
148.28
150.69
-2.74%
518,560
08/19/2026
160.81
160.81
154.22
154.94
-1.53%
783,533
08/18/2026
157.96
160.00
156.81
157.34
-0.81%
471,648
08/17/2026
155.11
158.95
153.60
158.62
+2.27%
506,960
08/14/2026
150.23
155.53
149.17
155.10
+2.43%
426,260
08/13/2026
153.15
154.99
150.92
151.42
-0.39%
444,785
08/12/2026
148.21
152.70
147.33
152.01
+2.51%
417,199
08/11/2026
151.88
151.88
147.37
148.29
-1.14%
306,573
08/10/2026
149.31
151.60
147.40
150.00
+2.83%
545,973
08/07/2026
146.18
147.32
144.44
145.87
-0.21%
321,084
08/06/2026
145.01
148.00
139.95
146.18
+6.45%
837,630
08/05/2026
137.49
138.08
135.39
137.32
+1.11%
430,528
08/05/2026
$2.29 Earnings
08/04/2026
133.02
138.05
132.26
135.81
+2.67%
634,667
08/03/2026
135.78
135.98
131.68
132.28
-3.19%
451,166
07/31/2026
138.36
138.37
131.69
136.64
-1.44%
548,764
07/30/2026
131.77
138.95
130.63
138.64
+4.24%
556,392
07/29/2026
136.90
137.43
132.72
133.00
-2.81%
560,652
07/28/2026
136.69
137.00
133.20
136.84
+0.94%
282,383
07/27/2026
136.11
139.92
135.43
135.56
-0.40%
416,781
07/24/2026
136.11
137.20
133.78
136.11
+0.50%
298,402
07/23/2026
133.79
137.33
132.00
135.43
-0.007%
605,784
07/22/2026
139.45
139.45
134.42
135.44
-2.08%
710,439
07/21/2026
133.34
139.72
131.05
138.31
+3.01%
580,567
07/20/2026
141.79
143.29
133.64
134.27
-4.71%
762,738
07/17/2026
131.37
141.08
131.37
140.91
+6.73%
519,116
07/16/2026
135.21
136.56
131.35
132.02
-2.54%
602,064
07/15/2026
128.00
139.22
126.97
135.46
+3.19%
835,520
07/14/2026
131.89
131.95
128.68
131.27
+1.06%
558,598
07/13/2026
130.05
131.36
125.32
129.89
-1.16%
541,062
07/10/2026
137.12
137.12
130.64
131.42
-4.52%
1,060,849
07/09/2026
139.26
141.10
136.99
137.64
-1.73%
1,613,332
07/08/2026
139.50
140.95
136.08
140.07
-0.55%
931,358
07/07/2026
132.59
141.08
130.69
140.85
+7.11%
1,374,383
07/06/2026
131.25
132.79
128.15
131.50
-0.09%
640,087
07/02/2026
125.89
131.87
125.24
131.62
+5.15%
708,390
07/01/2026
122.96
126.04
122.48
125.17
+2.11%
521,761
06/30/2026
122.04
124.72
119.57
122.58
+0.78%
560,872
06/29/2026
121.34
126.59
118.27
121.63
-0.21%
740,406
06/26/2026
122.00
123.43
118.31
121.88
-0.61%
2,593,942
06/25/2026
122.31
126.25
121.48
122.63
+0.39%
1,048,006