CECO · Ceco Environmental Corp · Off Exchange
$76.07
+2.41 (+3.27%)
At close · Oct 5
Return incl. dividend (before tax)
Market Cap
$4.14B
Shares
58.57M
Volume · Oct 5
184.66K
Avg daily vol (3M)
808.65K
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 |
|---|---|---|---|---|
| 2026-08-31 | 863,348 | 428,155 | 1,291,503 | 36.7% |
| 2026-08-24 | 831,496 | 294,660 | 1,126,156 | 42.6% |
| 2026-08-17 | 1,214,777 | 467,583 | 1,682,360 | 43.2% |
| 2026-08-10 | 1,829,495 | 859,905 | 2,689,400 | 47.3% |
| 2026-08-03 | 1,566,603 | 488,940 | 2,055,543 | 41.4% |
| 2026-07-27 | 2,213,894 | 683,136 | 2,897,030 | 41.4% |
| 2026-07-20 | 1,207,187 | 469,239 | 1,676,426 | 45.4% |
| 2026-07-13 | 776,223 | 532,332 | 1,308,555 | 45.7% |
| 2026-07-06 | 1,090,607 | 494,639 | 1,585,246 | 40.1% |
| 2026-06-29 | 996,139 | 340,173 | 1,336,312 | 41.5% |
| 2026-06-22 | 1,226,499 | 982,153 | 2,208,652 | 42.6% |
| 2026-06-15 | 719,070 | 391,101 | 1,110,171 | 38.8% |
| 2026-06-08 | 1,230,830 | 1,113,828 | 2,344,658 | 44.7% |
| 2026-06-01 | 1,305,367 | 1,172,838 | 2,478,205 | 40.5% |
| 2026-05-25 | 1,414,485 | 770,076 | 2,184,561 | 35.0% |
| 2026-05-18 | 926,558 | 357,324 | 1,283,882 | 40.3% |
| 2026-05-11 | 703,393 | 458,807 | 1,162,200 | 38.4% |
| 2026-05-04 | 1,599,092 | 661,346 | 2,260,438 | 36.8% |
| 2026-04-27 | 1,433,082 | 429,416 | 1,862,498 | 33.9% |
| 2026-04-20 | 590,569 | 160,110 | 750,679 | 37.4% |
| 2026-04-13 | 392,330 | 125,711 | 518,041 | 31.7% |
| 2026-04-06 | 576,505 | 168,847 | 745,352 | 33.7% |
| 2026-03-30 | 549,257 | 193,400 | 742,657 | 37.2% |
| 2026-03-23 | 950,463 | 300,392 | 1,250,855 | 39.3% |
| 2026-03-16 | 936,502 | 379,638 | 1,316,140 | 38.2% |
| 2026-03-09 | 1,030,757 | 295,893 | 1,326,650 | 39.5% |
| 2026-03-02 | 1,308,789 | 418,343 | 1,727,132 | 37.5% |
| 2026-02-23 | 2,311,786 | 704,905 | 3,016,691 | 36.5% |
| 2026-02-16 | 389,754 | 289,648 | 679,402 | 45.8% |
| 2026-02-09 | 440,911 | 136,692 | 577,603 | 38.9% |
| 2026-02-02 | 499,289 | 152,457 | 651,746 | 42.4% |
| 2026-01-26 | 495,941 | 137,463 | 633,404 | 47.2% |
| 2026-01-19 | 280,686 | 94,638 | 375,324 | 37.8% |
| 2026-01-12 | 337,593 | 161,279 | 498,872 | 44.7% |
| 2026-01-05 | 296,856 | 165,321 | 462,177 | 38.8% |
| 2025-12-29 | 163,398 | 73,211 | 236,609 | 31.9% |
| 2025-12-22 | 219,927 | 107,284 | 327,211 | 40.2% |
| 2025-12-15 | 539,393 | 370,514 | 909,907 | 37.5% |
| 2025-12-08 | 412,613 | 117,125 | 529,738 | 34.7% |
| 2025-12-01 | 274,933 | 158,565 | 433,498 | 36.8% |
| 2025-11-24 | 205,059 | 74,288 | 279,347 | 36.0% |
| 2025-11-17 | 674,374 | 253,521 | 927,895 | 39.7% |
| 2025-11-10 | 356,345 | 224,212 | 580,557 | 36.0% |
| 2025-11-03 | 621,108 | 242,220 | 863,328 | 36.2% |
| 2025-10-27 | 1,508,450 | 528,413 | 2,036,863 | 41.3% |
| 2025-10-20 | 827,955 | 140,184 | 968,139 | 44.4% |
| 2025-10-13 | 917,829 | 469,457 | 1,387,286 | 43.5% |
| 2025-10-06 | 834,282 | 219,865 | 1,054,147 | 46.1% |
Showing 1–48 of 48 weeks