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GKOS · GLAUKOS Corp · Off Exchange

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$164.19 +5.64 (+3.56%) At close · Sep 30
Market Cap
$9.11B
Shares
58.98M
Volume · Sep 30 947.09K Avg daily vol (3M) 796.93K

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-08-24 1,085,479 230,680 1,316,159 47.6%
2026-08-17 1,072,975 250,033 1,323,008 42.7%
2026-08-10 1,141,253 500,893 1,642,146 45.2%
2026-08-03 1,289,371 385,915 1,675,286 42.3%
2026-07-27 3,087,904 1,011,315 4,099,219 47.7%
2026-07-20 678,126 185,050 863,176 38.2%
2026-07-13 853,994 238,064 1,092,058 40.9%
2026-07-06 1,483,148 353,168 1,836,316 46.7%
2026-06-29 1,554,294 463,981 2,018,275 47.2%
2026-06-22 1,245,586 763,495 2,009,081 41.1%
2026-06-15 965,738 394,026 1,359,764 38.3%
2026-06-08 1,646,578 443,113 2,089,691 42.4%
2026-06-01 2,714,414 646,738 3,361,152 45.3%
2026-05-25 2,380,058 457,366 2,837,424 39.4%
2026-05-18 2,487,828 482,682 2,970,510 45.6%
2026-05-11 943,515 490,791 1,434,306 41.1%
2026-05-04 889,259 707,625 1,596,884 42.9%
2026-04-27 2,289,050 742,426 3,031,476 47.0%
2026-04-20 652,090 276,200 928,290 39.9%
2026-04-13 1,028,996 270,892 1,299,888 43.4%
2026-04-06 930,562 318,515 1,249,077 36.6%
2026-03-30 813,780 237,302 1,051,082 37.2%
2026-03-23 1,199,657 414,147 1,613,804 39.5%
2026-03-16 752,666 489,787 1,242,453 34.5%
2026-03-09 1,254,954 476,565 1,731,519 45.0%
2026-03-02 706,743 721,937 1,428,680 45.8%
2026-02-23 1,041,752 271,701 1,313,453 40.3%
2026-02-16 1,643,731 328,126 1,971,857 39.9%
2026-02-09 944,170 235,106 1,179,276 40.0%
2026-02-02 1,239,922 303,647 1,543,569 41.7%
2026-01-26 1,410,132 376,727 1,786,859 42.1%
2026-01-19 1,666,845 398,432 2,065,277 47.2%
2026-01-12 2,248,735 419,507 2,668,242 44.2%
2026-01-05 995,970 186,790 1,182,760 42.3%
2025-12-29 420,425 148,811 569,236 37.2%
2025-12-22 466,358 130,064 596,422 41.5%
2025-12-15 1,423,728 1,286,619 2,710,347 50.1%
2025-12-08 1,350,290 311,043 1,661,333 45.3%
2025-12-01 1,032,140 277,508 1,309,648 41.5%
2025-11-24 1,297,520 392,995 1,690,515 44.6%
2025-11-17 1,830,182 790,954 2,621,136 47.9%
2025-11-10 2,819,686 1,109,863 3,929,549 48.6%
2025-11-03 1,554,807 342,941 1,897,748 42.9%
2025-10-27 5,507,977 927,357 6,435,334 49.5%
2025-10-20 4,078,137 1,105,034 5,183,171 50.8%
2025-10-13 1,373,496 455,030 1,828,526 45.1%
2025-10-06 907,064 357,166 1,264,230 43.6%
Showing 1–47 of 47 weeks
Key facts CIK 1192448 CUSIP 377322102 13F (30d) 11 filings 10 filers Visit website Investor relations