GKOS
Glaukos (GKOS)
NYSE
$183.76-$1.13 (-0.61%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $10.9B
    Market Cap
  • 96.38%
    1-Year Change
  • Medical Devices
    Industry
  • 1 Month
    +20.77%
    Low Price$151.33
    High Price$189.55
  • 3 Months
    +32.99%
    Low Price$103.12
    High Price$189.55
  • 1 Year
    +96.38%
    Low Price$74.67
    High Price$189.55
Date
Open
High
Low
Close
Change (%)
Volume
08/21/2026
185.00
187.60
183.68
184.89
0.00%
440,096
08/20/2026
187.73
191.62
183.25
184.89
-2.46%
791,869
08/19/2026
186.00
190.06
185.96
189.55
+2.93%
505,426
08/18/2026
185.00
186.66
175.04
184.15
-0.79%
625,626
08/17/2026
183.55
186.03
181.84
185.62
+0.59%
734,664
08/14/2026
189.89
190.00
184.22
184.53
-2.60%
742,302
08/13/2026
187.00
189.69
185.82
189.45
+1.51%
762,150
08/12/2026
179.80
186.75
177.57
186.63
+2.54%
758,879
08/11/2026
180.47
183.91
178.58
182.00
+0.32%
723,322
08/10/2026
180.00
183.49
178.78
181.42
+0.78%
646,071
08/07/2026
172.94
180.62
172.22
180.02
+5.28%
768,790
08/06/2026
171.17
171.99
168.39
170.99
+0.04%
574,997
08/05/2026
172.01
172.01
167.81
170.93
+0.23%
705,651
08/04/2026
171.75
172.91
167.64
170.53
-0.20%
799,737
08/03/2026
168.66
173.98
168.60
170.87
+2.49%
1,108,936
07/31/2026
166.58
171.55
165.37
166.72
-1.07%
1,032,220
07/30/2026
180.22
184.00
165.78
168.52
+4.24%
2,559,496
07/29/2026
149.71
166.00
145.78
161.66
+6.83%
3,136,514
07/29/2026
-$0.14 Earnings
07/28/2026
153.62
154.98
146.03
151.33
-0.38%
1,144,684
07/27/2026
155.54
156.15
148.02
151.91
-1.09%
727,532
07/24/2026
154.41
155.60
151.00
153.58
+0.95%
379,549
07/23/2026
150.46
152.93
150.46
152.13
-0.48%
420,733
07/22/2026
152.33
153.00
150.02
152.86
-0.15%
577,611
07/21/2026
154.82
158.18
152.83
153.09
-1.52%
476,812
07/20/2026
156.46
158.22
155.12
155.46
-0.87%
402,917
07/17/2026
153.21
157.77
152.06
156.83
+0.93%
375,760
07/16/2026
157.73
161.53
155.06
155.39
-0.92%
705,756
07/15/2026
151.45
157.71
150.51
156.84
+2.88%
630,560
07/14/2026
151.13
153.95
146.72
152.45
-0.18%
517,354
07/13/2026
153.00
155.14
151.00
152.72
0.00%
442,231
07/10/2026
154.05
156.60
143.11
152.72
-1.52%
672,327
07/09/2026
153.29
155.70
152.17
155.07
+1.38%
781,020
07/08/2026
151.39
154.61
149.45
152.96
+1.53%
1,058,780
07/07/2026
148.53
151.47
146.47
150.65
+1.31%
710,265
07/06/2026
150.00
150.26
146.69
148.70
+0.24%
712,964
07/02/2026
137.57
148.62
136.18
148.34
+7.83%
1,241,013
07/01/2026
139.06
141.40
136.23
137.57
-1.57%
707,578
06/30/2026
141.43
141.74
136.18
139.76
-1.71%
1,086,135
06/29/2026
143.51
143.70
139.86
142.19
-1.54%
1,244,186
06/26/2026
142.57
145.00
140.91
144.42
+1.30%
1,989,558
06/25/2026
139.60
145.39
137.52
142.57
+3.49%
787,691
06/24/2026
133.07
140.77
133.02
137.76
+2.31%
761,433
06/23/2026
131.69
135.23
131.25
134.65
+2.64%
546,299
06/22/2026
130.00
131.84
128.48
131.19
+0.39%
806,569
06/18/2026
128.97
131.73
125.43
130.68
+2.57%
984,179
06/17/2026
128.64
131.78
126.67
127.41
-0.09%
1,040,930
06/16/2026
130.68
132.24
127.09
127.53
-2.01%
724,523
06/15/2026
128.58
130.67
127.83
130.14
+2.63%
801,979
06/12/2026
124.97
128.27
122.69
126.81
+2.05%
707,981
06/11/2026
125.08
127.29
123.00
124.26
+1.45%
629,397
06/10/2026
122.00
125.96
119.66
122.49
-3.05%
1,542,234
06/09/2026
123.79
129.00
123.58
126.34
+3.59%
1,082,314
06/08/2026
124.18
126.24
121.83
121.96
-2.43%
962,157
06/05/2026
122.67
128.05
120.61
125.00
+2.72%
1,444,705
06/04/2026
114.19
123.44
113.13
121.69
+7.08%
1,584,247
06/03/2026
108.76
115.48
108.76
113.64
+2.58%
1,095,239
06/02/2026
101.77
113.09
100.26
110.78
+7.43%
1,866,967
06/01/2026
103.51
105.05
99.48
103.12
-0.22%
1,431,293
05/29/2026
106.57
108.42
101.47
103.35
-2.98%
1,708,764
05/28/2026
108.30
111.05
105.92
106.52
-3.06%
1,563,945
05/27/2026
114.09
114.51
109.27
109.88
-4.43%
1,231,642
05/26/2026
119.71
120.55
106.24
114.97
-4.37%
2,705,971
05/22/2026
139.14
139.43
118.64
120.23
-13.52%
2,709,884
05/21/2026
140.64
140.64
133.62
139.03
-3.33%
1,308,956
05/20/2026
140.95
146.71
137.83
143.82
+2.80%
951,704
05/19/2026
141.32
142.85
137.32
139.90
-1.60%
728,869
05/18/2026
144.99
148.11
141.52
142.18
-1.27%
814,310
05/15/2026
142.27
144.16
140.91
144.01
+1.31%
978,749
05/14/2026
137.73
142.20
136.34
142.15
+3.54%
536,356
05/13/2026
135.18
138.34
133.22
137.29
+0.68%
490,229
05/12/2026
135.10
137.20
133.11
136.36
+0.73%
667,105
05/11/2026
132.36
136.26
130.64
135.37
+1.39%
814,293
05/08/2026
135.12
135.26
130.04
133.52
-0.47%
454,477
05/07/2026
136.35
137.34
132.12
134.15
-0.83%
549,156
05/06/2026
133.69
136.41
131.35
135.27
+1.39%
889,289
05/05/2026
137.10
137.87
131.94
133.42
-1.79%
888,359
05/04/2026
139.68
141.22
134.74
135.85
-3.12%
942,764
05/01/2026
143.54
146.75
140.22
140.22
-2.40%
1,317,367
04/30/2026
141.50
145.50
130.90
143.67
+22.84%
2,674,243
04/29/2026
117.84
120.07
113.00
116.96
-2.23%
1,164,271
04/29/2026
-$0.18 Earnings
04/28/2026
122.21
123.05
118.70
119.63
-2.00%
494,504
04/27/2026
121.57
124.38
120.82
122.07
+0.49%
802,376
04/24/2026
121.10
122.28
119.03
121.48
+0.50%
455,022
04/23/2026
121.25
123.21
119.84
120.87
-0.64%
473,875
04/22/2026
123.50
126.39
120.64
121.65
-0.38%
459,706
04/21/2026
123.98
125.30
121.17
122.11
-1.96%
496,740
04/20/2026
123.78
127.00
122.53
124.55
-0.19%
442,186
04/17/2026
123.80
127.00
123.41
124.79
+2.61%
585,704
04/16/2026
121.13
123.40
120.41
121.62
+0.51%
793,519
04/15/2026
121.02
122.00
118.57
121.00
+0.40%
491,763
04/14/2026
119.50
122.00
119.50
120.52
+0.86%
579,118
04/13/2026
116.33
119.67
116.00
119.49
+2.65%
543,383
04/10/2026
120.67
120.96
116.10
116.40
-2.55%
522,047
04/09/2026
118.28
120.67
115.28
119.45
+0.70%
536,001
04/08/2026
119.85
123.01
117.45
118.62
+3.09%
799,013
04/07/2026
115.01
117.47
113.26
115.06
-1.40%
707,039
04/06/2026
112.26
116.81
110.50
116.69
+3.48%
846,016
04/02/2026
109.79
113.90
108.72
112.77
+0.12%
591,427