GKOS
Glaukos (GKOS)
NYSE
$176.71-$0.14 (-0.08%)
Price as of Oct 22, 2026 7:58 PM EDT
  • $10.4B
    Market Cap
  • 130.78%
    1-Year Change
  • Medical Devices
    Industry
  • 1 Month
    +9.48%
    Low Price$153.49
    High Price$176.85
  • 3 Months
    +15.52%
    Low Price$151.33
    High Price$189.55
  • 1 Year
    +130.78%
    Low Price$74.67
    High Price$189.55
Date
Open
High
Low
Close
Change (%)
Volume
10/21/2026
173.50
178.19
172.93
176.85
+1.97%
930,333
10/20/2026
168.00
176.07
168.00
173.43
+3.88%
613,796
10/19/2026
164.71
168.59
164.09
166.96
+1.29%
775,393
10/16/2026
166.08
167.28
163.13
164.84
-0.46%
1,032,231
10/15/2026
168.26
170.20
165.36
165.60
-1.36%
778,596
10/14/2026
164.94
168.36
164.89
167.89
+1.44%
624,166
10/13/2026
169.53
171.22
164.95
165.50
-1.50%
909,898
10/12/2026
166.79
171.42
162.97
168.02
+1.41%
881,892
10/09/2026
160.06
166.97
159.89
165.69
+2.73%
1,196,008
10/08/2026
170.67
170.86
146.39
161.29
-6.32%
2,899,156
10/07/2026
161.00
174.48
159.59
172.18
+6.55%
1,487,661
10/06/2026
163.84
164.00
160.30
161.59
-1.48%
664,412
10/05/2026
164.44
165.99
163.17
164.01
+0.16%
837,810
10/02/2026
167.57
168.08
163.01
163.75
+0.36%
780,925
10/01/2026
164.00
168.73
162.08
163.17
-0.62%
808,411
09/30/2026
158.31
165.65
157.29
164.19
+3.56%
947,091
09/29/2026
153.56
159.06
152.39
158.55
-0.006%
638,201
09/28/2026
153.11
160.98
151.71
158.56
+2.67%
1,400,531
09/25/2026
154.50
155.60
151.01
154.43
-0.29%
826,237
09/24/2026
153.70
156.65
152.75
154.88
+0.91%
838,399
09/23/2026
159.86
162.04
153.31
153.49
-3.98%
1,026,813
09/22/2026
165.36
165.36
159.00
159.86
-1.03%
1,102,409
09/21/2026
166.27
166.74
160.23
161.53
-1.39%
806,468
09/18/2026
160.60
163.85
159.01
163.81
+1.48%
1,464,473
09/17/2026
164.13
166.36
160.68
161.42
-1.25%
646,798
09/16/2026
172.01
173.55
162.12
163.47
-4.78%
690,987
09/15/2026
169.75
172.76
167.97
171.68
+0.34%
658,905
09/14/2026
168.51
171.36
165.43
171.09
+2.30%
906,311
09/11/2026
174.12
175.38
166.74
167.25
-1.84%
552,313
09/10/2026
176.50
179.96
169.26
170.38
-5.23%
1,009,478
09/09/2026
183.15
183.33
178.52
179.79
-2.84%
587,935
09/08/2026
175.55
185.35
172.98
185.04
+4.27%
1,158,568
09/04/2026
177.80
181.52
175.14
177.47
-1.60%
572,538
09/03/2026
180.80
181.30
178.72
180.35
+0.46%
610,187
09/02/2026
176.87
182.28
176.35
179.53
+1.60%
768,719
09/01/2026
179.97
180.14
175.33
176.70
-1.59%
507,236
08/31/2026
178.67
180.08
174.28
179.56
-0.17%
455,576
08/28/2026
181.10
182.23
177.77
179.87
-1.12%
553,529
08/27/2026
178.51
183.32
178.43
181.91
+0.74%
442,313
08/26/2026
180.11
181.89
176.82
180.57
-0.45%
506,040
08/25/2026
186.21
187.14
179.20
181.39
-2.29%
639,693
08/24/2026
184.13
186.88
181.75
185.65
+0.41%
622,292
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