ECC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ECC dark pool volume for the week of 2026-07-06: 317.9K shares traded across 20 ATS venues with a total notional value of $1.2M. Volume is down 4.3% week-over-week. Primary routing venues include , CROSSSTREAM, INTELLIGENT CROSS LLC.
Dark pool activity in ECC 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 ECC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 317.9K | — | -4.3% |
| 2026-06-29 | 332.2K | — | -53.4% |
| 2026-06-22 | 712.4K | — | -20.2% |
| 2026-06-15 | 892.9K | — | +53.5% |
| 2026-06-08 | 581.6K | — | +53.4% |
| 2026-06-01 | 379.0K | — | +18.8% |
| 2026-05-25 | 319.1K | — | +37.6% |
| 2026-05-18 | 231.9K | — | -39.9% |
| 2026-05-11 | 385.5K | — | -1.4% |
| 2026-05-04 | 391.1K | — | +6.3% |
| 2026-04-27 | 368.0K | — | — |
| 2026-03-23 | 418.7K | — | -43.0% |