ECH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
ECH dark pool volume for the week of 2026-07-20: 242.0K shares traded across 21 ATS venues with a total notional value of $9.5M. Volume is down 38.4% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in ECH 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 ECH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 242.0K | — | -38.4% |
| 2026-07-13 | 392.8K | — | -25.1% |
| 2026-07-06 | 524.4K | — | +39.5% |
| 2026-06-29 | 375.9K | — | -3.1% |
| 2026-06-22 | 387.8K | — | -13.9% |
| 2026-06-15 | 450.2K | — | -21.1% |
| 2026-06-08 | 570.5K | — | -22.9% |
| 2026-06-01 | 740.5K | — | +121.6% |
| 2026-05-25 | 334.1K | — | +18.3% |
| 2026-05-18 | 282.5K | — | -3.1% |
| 2026-05-11 | 291.7K | — | -57.0% |
| 2026-05-04 | 678.7K | — | +2.0% |