ECAT Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ECAT dark pool volume for the week of 2026-07-06: 457.2K shares traded across 23 ATS venues with a total notional value of $7.2M. Volume is down 15.0% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in ECAT 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 ECAT.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 457.2K | — | -15.0% |
| 2026-06-29 | 538.0K | — | +43.3% |
| 2026-06-22 | 375.5K | — | +49.8% |
| 2026-06-15 | 250.8K | — | -55.4% |
| 2026-06-08 | 562.8K | — | +21.6% |
| 2026-06-01 | 462.7K | — | +3.1% |
| 2026-05-25 | 448.8K | — | +68.8% |
| 2026-05-18 | 265.8K | — | -50.3% |
| 2026-05-11 | 535.1K | — | +4.3% |
| 2026-05-04 | 512.8K | — | -22.7% |
| 2026-04-27 | 663.2K | — | — |
| 2026-03-23 | 414.6K | — | +0.7% |