CECO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CECO dark pool volume for the week of 2026-07-06: 1.1M shares traded across 25 ATS venues with a total notional value of $88.1M. Volume is up 9.5% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in CECO reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for CECO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.1M | — | +9.5% |
| 2026-06-29 | 996.1K | — | -18.8% |
| 2026-06-22 | 1.2M | — | +70.6% |
| 2026-06-15 | 719.1K | — | -41.6% |
| 2026-06-08 | 1.2M | — | -5.7% |
| 2026-06-01 | 1.3M | — | -7.7% |
| 2026-05-25 | 1.4M | — | +52.7% |
| 2026-05-18 | 926.6K | — | +31.7% |
| 2026-05-11 | 703.4K | — | -56.0% |
| 2026-05-04 | 1.6M | — | +11.6% |
| 2026-04-27 | 1.4M | — | — |
| 2026-03-23 | 950.2K | — | +1.5% |