ECVT · Ecovyst Inc. · Off Exchange
$10.12
+0.16 (+1.61%)
At close · Oct 2
Return incl. dividend (before tax)
Market Cap
$1.11B
Shares
109.47M
Volume · Oct 2
1.08M
Avg daily vol (3M)
1.31M
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 | 1,815,473 | 865,381 | 2,680,854 | 42.9% |
| 2026-08-17 | 1,619,708 | 1,212,478 | 2,832,186 | 40.1% |
| 2026-08-10 | 1,613,232 | 896,339 | 2,509,571 | 39.3% |
| 2026-08-03 | 1,941,088 | 761,083 | 2,702,171 | 36.6% |
| 2026-07-27 | 1,138,537 | 553,683 | 1,692,220 | 31.2% |
| 2026-07-20 | 1,245,883 | 609,341 | 1,855,224 | 33.1% |
| 2026-07-13 | 1,520,850 | 1,547,500 | 3,068,350 | 41.6% |
| 2026-07-06 | 1,489,607 | 1,809,144 | 3,298,751 | 42.5% |
| 2026-06-29 | 1,745,963 | 1,788,843 | 3,534,806 | 44.5% |
| 2026-06-22 | 3,747,243 | 3,483,951 | 7,231,194 | 44.8% |
| 2026-06-15 | 886,057 | 1,453,814 | 2,339,871 | 37.5% |
| 2026-06-08 | 1,158,454 | 1,323,511 | 2,481,965 | 38.8% |
| 2026-06-01 | 1,697,669 | 1,999,212 | 3,696,881 | 41.1% |
| 2026-05-25 | 1,893,156 | 1,347,044 | 3,240,200 | 37.6% |
| 2026-05-18 | 2,875,180 | 2,676,479 | 5,551,659 | 50.2% |
| 2026-05-11 | 2,675,674 | 1,062,118 | 3,737,792 | 43.3% |
| 2026-05-04 | 2,888,775 | 1,052,895 | 3,941,670 | 40.0% |
| 2026-04-27 | 1,415,958 | 731,391 | 2,147,349 | 34.1% |
| 2026-04-20 | 1,363,683 | 1,145,311 | 2,508,994 | 35.2% |
| 2026-04-13 | 3,084,612 | 1,718,581 | 4,803,193 | 38.3% |
| 2026-04-06 | 2,619,342 | 2,942,708 | 5,562,050 | 41.7% |
| 2026-03-30 | 2,456,271 | 811,698 | 3,267,969 | 36.6% |
| 2026-03-23 | 3,862,003 | 1,721,623 | 5,583,626 | 40.9% |
| 2026-03-16 | 5,043,524 | 1,631,218 | 6,674,742 | 34.2% |
| 2026-03-09 | 2,298,393 | 807,404 | 3,105,797 | 29.1% |
| 2026-03-02 | 2,596,360 | 821,142 | 3,417,502 | 34.2% |
| 2026-02-23 | 2,442,079 | 971,280 | 3,413,359 | 33.2% |
| 2026-02-16 | 1,361,550 | 800,137 | 2,161,687 | 39.0% |
| 2026-02-09 | 1,436,015 | 561,647 | 1,997,662 | 31.8% |
| 2026-02-02 | 1,494,121 | 553,451 | 2,047,572 | 30.1% |
| 2026-01-26 | 1,174,211 | 445,657 | 1,619,868 | 27.8% |
| 2026-01-19 | 829,645 | 287,812 | 1,117,457 | 29.5% |
| 2026-01-12 | 1,114,614 | 892,201 | 2,006,815 | 38.2% |
| 2026-01-05 | 1,189,455 | 896,642 | 2,086,097 | 31.4% |
| 2025-12-29 | 890,479 | 708,241 | 1,598,720 | 35.0% |
| 2025-12-22 | 818,136 | 479,107 | 1,297,243 | 29.6% |
| 2025-12-15 | 1,426,387 | 1,232,341 | 2,658,728 | 31.4% |
| 2025-12-08 | 1,481,124 | 1,609,076 | 3,090,200 | 38.8% |
| 2025-12-01 | 2,120,207 | 2,381,161 | 4,501,368 | 38.2% |
| 2025-11-24 | 866,919 | 822,766 | 1,689,685 | 33.0% |
| 2025-11-17 | 770,761 | 726,529 | 1,497,290 | 28.1% |
| 2025-11-10 | 834,209 | 603,381 | 1,437,590 | 27.9% |
| 2025-11-03 | 1,724,406 | 768,733 | 2,493,139 | 33.9% |
| 2025-10-27 | 618,437 | 346,065 | 964,502 | 29.3% |
| 2025-10-20 | 560,873 | 357,104 | 917,977 | 27.9% |
| 2025-10-13 | 936,969 | 643,316 | 1,580,285 | 30.8% |
| 2025-10-06 | 810,415 | 468,749 | 1,279,164 | 29.7% |
Showing 1–47 of 47 weeks