ECOR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ECOR dark pool volume for the week of 2026-07-06: 157.4K shares traded across 21 ATS venues with a total notional value of $1.1M. Volume is up 166.0% week-over-week. Primary routing venues include , MS POOL (ATS-4), UBS ATS.
Dark pool activity in ECOR 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 ECOR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 157.4K | — | +166.0% |
| 2026-06-29 | 59.2K | — | +9.2% |
| 2026-06-22 | 54.2K | — | +10.9% |
| 2026-06-15 | 48.8K | — | -51.0% |
| 2026-06-08 | 99.7K | — | -40.1% |
| 2026-06-01 | 166.4K | — | -6.6% |
| 2026-05-25 | 178.1K | — | +223.4% |
| 2026-05-18 | 55.1K | — | -55.2% |
| 2026-05-11 | 122.9K | — | +230.8% |
| 2026-05-04 | 37.2K | — | -15.7% |
| 2026-04-27 | 44.1K | — | — |
| 2026-03-23 | 37.1K | — | -65.0% |