ECDA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-01-12
ECDA dark pool volume for the week of 2026-01-12: 244.1K shares traded across 20 ATS venues with a total notional value of $72K. Volume is down 83.1% week-over-week. Primary routing venues include , LEVEL ATS, IBKR ATS.
Dark pool activity in ECDA 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 ECDA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-01-12 | 244.1K | — | -83.1% |
| 2026-01-05 | 1.4M | — | +331.4% |
| 2025-12-29 | 335.7K | — | -77.4% |
| 2025-12-22 | 1.5M | — | +460.4% |
| 2025-12-15 | 265.1K | — | +85.5% |
| 2025-12-08 | 142.9K | — | +23.7% |
| 2025-12-01 | 115.5K | — | +22.8% |
| 2025-11-24 | 94.1K | — | +112.8% |
| 2025-11-17 | 44.2K | — | -82.1% |
| 2025-11-10 | 246.6K | — | +812.6% |
| 2025-11-03 | 27.0K | — | — |
| 2025-10-20 | 6.3K | — | -74.4% |