EFO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
EFO dark pool volume for the week of 2026-07-06: 203 shares traded across 1 ATS venues with a total notional value of $15K. Volume is down 97.3% week-over-week. Primary routing venues include IBKR ATS, .
Dark pool activity in EFO 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 EFO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 203 | — | -97.3% |
| 2026-06-29 | 7.6K | — | +71.7% |
| 2026-06-22 | 4.4K | — | +1164.5% |
| 2026-06-15 | 349 | — | -60.2% |
| 2026-06-08 | 876 | — | -93.8% |
| 2026-06-01 | 14.2K | — | +165.3% |
| 2026-05-25 | 5.3K | — | +346.9% |
| 2026-05-18 | 1.2K | — | -79.5% |
| 2026-05-11 | 5.8K | — | +565.3% |
| 2026-05-04 | 875 | — | -35.0% |
| 2026-04-27 | 1.3K | — | — |
| 2026-03-23 | 1.3K | — | -40.1% |