PTGX
Protagonist Ther (PTGX)
NASDAQ
$118.81+$3.78 (+3.29%)
Price as of Jun 23, 2026 7:03 PM EDT
  • $7.4B
    Market Cap
  • 115.57%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    +15.97%
    Low Price$93.23
    High Price$115.03
  • 3 Months
    +16.34%
    Low Price$93.23
    High Price$115.03
  • 1 Year
    +115.57%
    Low Price$49.70
    High Price$115.03
Date
Open
High
Low
Close
Change (%)
Volume
06/22/2026
113.24
116.57
113.24
115.03
+1.92%
1,193,688
06/18/2026
112.88
114.49
111.17
112.86
+1.27%
1,533,672
06/17/2026
110.84
113.47
110.11
111.44
+0.72%
742,534
06/16/2026
112.83
113.66
108.53
110.64
-1.62%
504,794
06/15/2026
109.10
112.77
109.10
112.46
+2.44%
536,301
06/12/2026
109.85
111.78
109.60
109.78
-0.009%
448,850
06/11/2026
106.28
110.82
106.28
109.79
+3.80%
564,250
06/10/2026
105.50
111.45
104.89
105.77
-0.09%
770,494
06/09/2026
99.76
106.48
98.08
105.87
+8.00%
878,593
06/08/2026
98.95
101.16
96.70
98.03
+0.67%
567,714
06/05/2026
103.14
103.29
96.38
97.38
-5.26%
887,396
06/04/2026
96.39
103.55
96.14
102.79
+7.74%
658,834
06/03/2026
93.93
95.61
93.00
95.41
+2.34%
576,264
06/02/2026
93.84
97.71
92.75
93.23
-1.78%
723,585
06/01/2026
97.88
98.50
93.50
94.92
-4.66%
816,944
05/29/2026
100.64
102.40
98.84
99.56
-0.85%
597,778
05/28/2026
102.74
103.71
99.43
100.41
-1.76%
551,512
05/27/2026
100.05
102.49
98.94
102.21
+2.23%
404,793
05/26/2026
100.03
100.80
97.93
99.98
+0.80%
360,762
05/22/2026
102.01
102.42
98.89
99.19
-2.76%
393,915
05/21/2026
101.13
103.43
98.60
102.01
+1.12%
402,629
05/20/2026
99.03
101.90
98.37
100.88
+2.55%
371,678
05/19/2026
100.25
100.26
96.69
98.37
-2.35%
492,707
05/18/2026
103.22
104.16
100.58
100.74
-1.41%
447,230
05/15/2026
104.22
104.39
101.72
102.18
-3.19%
560,751
05/14/2026
104.31
105.72
101.62
105.55
+1.61%
426,527
05/13/2026
99.58
104.20
98.22
103.88
+3.93%
517,121
05/12/2026
103.50
103.66
98.36
99.95
-3.43%
645,725
05/11/2026
100.14
105.33
99.94
103.50
+4.17%
572,035
05/08/2026
98.51
100.15
97.00
99.36
+0.52%
505,003
05/07/2026
103.55
104.68
98.53
98.85
-4.92%
836,858
05/06/2026
103.00
105.03
98.95
103.97
+4.80%
989,856
05/05/2026
100.32
101.37
97.45
99.21
-0.31%
398,043
05/05/2026
$0.05 Earnings
05/04/2026
98.00
101.08
98.00
99.52
+1.17%
457,421
05/01/2026
99.16
99.47
97.08
98.37
-0.61%
447,698
04/30/2026
99.00
99.76
97.20
98.97
+0.46%
577,600
04/29/2026
100.27
100.35
98.11
98.52
-2.66%
576,818
04/28/2026
99.50
102.47
97.79
101.21
+2.74%
663,207
04/27/2026
100.44
103.42
98.31
98.51
-1.49%
994,654
04/24/2026
102.54
105.94
98.91
100.00
-2.55%
778,708
04/23/2026
106.34
106.98
102.26
102.62
-2.78%
651,593
04/22/2026
106.43
107.00
103.93
105.55
-0.32%
345,935
04/21/2026
104.94
106.45
103.64
105.89
+0.40%
494,946
04/20/2026
105.47
106.46
104.00
105.47
-0.48%
540,470
04/17/2026
105.57
106.90
103.51
105.98
+2.17%
1,006,314
04/16/2026
103.59
104.53
102.46
103.73
-1.62%
417,822
04/15/2026
105.96
106.66
103.02
105.44
+0.69%
770,162
04/14/2026
97.58
104.97
97.58
104.72
+7.33%
849,466
04/13/2026
98.61
101.04
95.40
97.57
-1.26%
1,088,562
04/10/2026
104.28
104.28
98.40
98.82
-5.06%
577,209
04/09/2026
101.45
105.11
101.45
104.09
+1.95%
699,455
04/08/2026
104.28
105.88
101.62
102.09
-1.60%
819,198
04/07/2026
103.43
103.96
101.31
103.75
+0.84%
785,703
04/06/2026
103.72
104.46
101.84
102.89
-0.86%
528,510
04/02/2026
101.59
104.31
101.59
103.78
+0.11%
601,602
04/01/2026
105.51
107.84
102.70
103.67
-1.64%
583,867
03/31/2026
101.23
105.99
101.06
105.40
+5.54%
944,904
03/30/2026
99.04
102.76
98.08
99.87
+0.91%
884,399
03/27/2026
101.27
101.92
97.89
98.97
-3.13%
785,508
03/26/2026
103.25
105.69
102.01
102.17
-2.05%
1,045,276
03/25/2026
99.42
105.00
97.16
104.31
+3.90%
812,176
03/24/2026
97.16
100.98
97.16
100.39
+1.88%
940,176
03/23/2026
100.00
102.06
98.15
98.54
-0.33%
925,423
03/20/2026
101.47
101.80
97.83
98.87
-2.76%
2,029,206
03/19/2026
98.45
105.69
98.35
101.68
+4.73%
1,919,749
03/18/2026
97.04
99.50
90.58
97.09
-0.14%
1,981,543
03/17/2026
96.70
99.31
96.43
97.23
+0.50%
799,232
03/16/2026
93.28
97.08
92.61
96.75
+4.75%
695,757
03/13/2026
96.91
98.30
90.92
92.36
-3.21%
896,180
03/12/2026
95.01
96.39
93.67
95.42
-1.10%
750,591
03/11/2026
96.84
98.32
95.97
96.48
-0.59%
788,741
03/10/2026
96.02
98.21
95.40
97.05
+0.40%
856,024
03/09/2026
91.14
97.54
91.14
96.66
+4.96%
727,214
03/06/2026
89.96
92.97
87.82
92.09
+0.74%
572,368
03/05/2026
94.54
94.54
90.35
91.41
-3.61%
677,477
03/04/2026
91.94
95.43
91.03
94.83
+3.87%
782,718
03/03/2026
92.56
93.51
90.02
91.30
-3.12%
529,537
03/02/2026
92.08
94.89
90.99
94.24
+2.35%
942,703
02/27/2026
88.18
92.23
87.15
92.08
+4.17%
936,969
02/26/2026
87.50
88.83
85.60
88.39
+1.48%
706,162
02/25/2026
87.50
88.46
86.26
87.10
-0.33%
285,861
02/25/2026
-$0.69 Earnings
02/24/2026
86.72
89.59
86.00
87.39
+0.92%
668,518
02/23/2026
82.32
86.85
77.00
86.59
+4.63%
710,805
02/20/2026
83.26
83.69
80.72
82.76
-0.40%
577,977
02/19/2026
81.88
83.22
80.59
83.09
+0.12%
384,567
02/18/2026
81.59
83.40
81.59
82.99
+0.64%
408,213
02/17/2026
81.07
83.13
80.40
82.46
+1.19%
364,763
02/13/2026
81.99
84.06
80.59
81.49
-0.54%
428,856
02/12/2026
84.07
84.72
81.56
81.93
-1.87%
352,498
02/11/2026
83.46
84.82
80.99
83.49
-0.46%
350,174
02/10/2026
83.00
84.90
82.65
83.88
+0.67%
442,583
02/09/2026
83.47
83.90
82.21
83.32
-1.38%
322,026
02/06/2026
82.11
85.05
81.55
84.49
+4.74%
812,801
02/05/2026
83.62
85.43
80.20
80.67
-3.16%
457,128
02/04/2026
85.59
85.60
81.00
83.30
-2.68%
1,077,554
02/03/2026
83.09
86.10
82.88
85.59
+3.06%
769,388
02/02/2026
81.80
84.55
81.14
83.05
+1.53%
1,414,710
01/30/2026
79.77
82.56
78.75
81.80
+2.60%
1,174,012