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GLAUKOS Corp (GKOS) stock

GKOSNYSESurgical & Medical Instruments & ApparatusFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 28, 2026Score 7/30239% above fair value
$237.60−4.88 (-2.01%)

Close on Oct 30, 2026Market cap $14.01BP/E –Yield –

Price history

Glaukos share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$237.60
-2.01% on the day
52-week range
$80.91 – $248.75
-4.5% from the high
Change over 52 weeks
+170.6%
From $87.80 on Oct 30, 2025
Average volume
947,464
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$177.35$248.75$174.75$237.60+32.83%12,131,498
Oct 19, 2026$164.71$179.70$164.09$178.88+8.52%4,166,476
Oct 12, 2026$166.79$171.42$162.97$164.84-0.51%4,226,783
Oct 5, 2026$164.44$174.48$146.39$165.69+1.18%7,085,047
Sep 28, 2026$153.11$168.73$151.71$163.75+6.04%4,537,040
Sep 21, 2026$166.27$166.74$151.01$154.43-5.73%4,600,268
Sep 14, 2026$168.51$173.55$159.01$163.81-2.06%4,330,315
Sep 8, 2026$175.55$185.35$166.74$167.25-5.76%3,308,394
Aug 31, 2026$178.67$182.28$174.28$177.47-1.33%2,914,253
Aug 24, 2026$184.13$187.14$176.82$179.87-2.72%2,763,867
Aug 17, 2026$183.55$191.62$175.04$184.89+0.20%3,097,791
Aug 10, 2026$180.00$190.00$177.57$184.53+2.51%3,629,100
Aug 3, 2026$168.66$180.62$167.64$180.02+7.98%3,958,202
Jul 27, 2026$155.54$184.00$145.78$166.72+8.56%8,601,828
Jul 20, 2026$156.46$158.22$150.02$153.58-2.07%2,257,622
Jul 13, 2026$153.00$161.53$146.72$156.83+2.69%2,671,661
Jul 6, 2026$150.00$156.60$143.11$152.72+2.95%3,935,356
Jun 29, 2026$143.51$148.62$136.18$148.34+2.71%4,279,032
Jun 22, 2026$130.00$145.39$128.48$144.42+10.51%4,891,550
Jun 15, 2026$128.58$132.24$125.43$130.68+3.05%3,551,611
Jun 8, 2026$124.18$129.00$119.66$126.81+1.45%4,924,083
Jun 1, 2026$103.51$128.05$99.48$125.00+20.95%7,422,484
May 26, 2026$119.71$120.55$101.47$103.35-14.04%7,210,322
May 18, 2026$144.99$148.11$118.64$120.23-16.51%6,513,723
May 11, 2026$132.36$144.16$130.64$144.01+7.86%3,486,732
May 4, 2026$139.68$141.22$130.04$133.52-4.78%3,724,045
Apr 27, 2026$121.57$146.75$113.00$140.22+15.43%6,452,761
Apr 20, 2026$123.78$127.00$119.03$121.48-2.65%2,327,596
Apr 13, 2026$116.33$127.00$116.00$124.79+7.21%2,993,487
Apr 6, 2026$112.26$123.01$110.50$116.40+3.22%3,410,123
Mar 30, 2026$103.49$113.90$102.12$112.77+9.29%2,827,395
Mar 23, 2026$104.13$110.13$102.12$103.18+2.17%4,084,805
Mar 16, 2026$97.99$105.36$96.47$100.99+4.09%3,601,993
Mar 9, 2026$105.83$106.78$95.87$97.02-9.94%3,849,486
Mar 2, 2026$119.04$121.27$106.50$107.73-10.52%3,122,297
Feb 23, 2026$119.12$123.16$117.96$120.40+0.11%3,256,116
Feb 17, 2026$109.73$121.70$103.55$120.27+9.87%4,938,026
Feb 9, 2026$112.63$115.19$105.37$109.47-2.71%2,948,275
Feb 2, 2026$119.64$121.74$110.65$112.52-5.75%3,701,227
Jan 26, 2026$121.45$128.84$116.63$119.38-0.50%4,243,001
Jan 20, 2026$118.57$130.23$118.26$119.98-0.22%4,371,369
Jan 12, 2026$112.11$121.63$93.96$120.24+6.48%6,031,934
Jan 5, 2026$110.71$115.00$109.07$112.92+1.99%2,796,251
Dec 29, 2025$116.09$116.78$110.46$110.72-4.72%1,528,434
Dec 22, 2025$117.22$118.17$115.07$116.21-0.01%1,436,344
Dec 15, 2025$109.93$116.72$109.33$116.22+6.74%5,415,331
Dec 8, 2025$109.45$110.87$105.88$108.88+0.34%3,669,089
Dec 1, 2025$105.29$112.00$104.11$108.51+2.09%3,158,961
Nov 24, 2025$98.71$107.18$96.35$106.29+6.70%3,789,364
Nov 17, 2025$89.51$99.73$87.32$99.62+10.65%5,475,120
Nov 10, 2025$83.78$97.22$83.78$90.03+7.36%8,089,401
Nov 3, 2025$88.09$88.67$80.91$83.86-4.78%4,419,043

Seasonality

GKOS return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average12.6%-0.7%-3.6%3.3%-3.3%12.6%1.0%8.4%-5.2%5.6%1.2%1.1%
Months up10 of 106 of 105 of 105 of 105 of 109 of 106 of 106 of 103 of 107 of 105 of 95 of 9
20265.7%0.9%-10.6%33.4%-28.1%35.2%19.3%7.7%-8.6%44.7%
20254.3%-23.3%-18.0%-4.2%0.0%9.5%-16.7%11.3%-14.9%8.0%20.7%6.2%
202412.0%-0.5%6.4%1.8%17.4%5.0%-1.0%14.3%-2.7%1.5%8.6%4.4%
202312.3%-3.7%6.1%-5.2%20.0%24.9%8.3%-2.6%0.1%-9.4%-6.3%24.4%
202219.8%3.9%4.5%-18.2%-13.7%11.2%18.6%-9.8%9.7%5.3%-16.9%-6.2%
202117.8%6.6%-11.2%12.2%-21.9%15.3%-39.9%16.9%-19.2%-5.1%-5.9%3.3%
20203.3%-21.8%-29.8%18.9%6.2%-1.4%13.7%9.5%3.5%12.9%20.7%11.5%
201913.6%16.3%5.7%-8.0%-10.6%16.9%8.3%-21.3%-2.8%2.1%0.5%-15.1%
201817.0%4.3%-1.5%9.2%12.1%7.6%2.4%64.3%-5.1%-10.7%13.7%-14.7%
201720.2%10.4%12.7%-7.3%-14.3%1.9%-3.1%-6.0%-12.6%7.0%-24.2%-4.2%