OEC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
OEC dark pool volume for the week of 2026-07-06: 1.1M shares traded across 25 ATS venues with a total notional value of $6.2M. Volume is up 68.9% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in OEC 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 OEC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.1M | — | +68.9% |
| 2026-06-29 | 669.6K | — | +0.6% |
| 2026-06-22 | 665.6K | — | +31.5% |
| 2026-06-15 | 506.1K | — | +9.2% |
| 2026-06-08 | 463.4K | — | +11.2% |
| 2026-06-01 | 416.6K | — | +51.3% |
| 2026-05-25 | 275.4K | — | -37.7% |
| 2026-05-18 | 442.1K | — | -28.6% |
| 2026-05-11 | 618.8K | — | +8.2% |
| 2026-05-04 | 572.0K | — | +49.5% |
| 2026-04-27 | 382.6K | — | — |
| 2026-03-23 | 615.2K | — | -40.1% |