EFOI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
EFOI dark pool volume for the week of 2026-07-06: 3.7K shares traded across 13 ATS venues with a total notional value of $11K. Volume is up 29.5% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in EFOI 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 EFOI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 3.7K | — | +29.5% |
| 2026-06-29 | 2.9K | — | -13.2% |
| 2026-06-22 | 3.3K | — | -47.5% |
| 2026-06-15 | 6.3K | — | -15.3% |
| 2026-06-08 | 7.5K | — | -47.4% |
| 2026-06-01 | 14.2K | — | +0.8% |
| 2026-05-25 | 14.1K | — | -38.5% |
| 2026-05-18 | 22.9K | — | -15.7% |
| 2026-05-11 | 27.1K | — | -25.1% |
| 2026-05-04 | 36.2K | — | -41.8% |
| 2026-04-27 | 62.2K | — | — |
| 2026-03-23 | 3.2K | — | +4.6% |