SDD Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SDD dark pool volume for the week of 2026-07-06: 802 shares traded across 5 ATS venues with a total notional value of $7K. Volume is up 40000.0% week-over-week. Primary routing venues include , UBS ATS, LEVEL ATS.
Dark pool activity in SDD 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 SDD.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 802 | — | +40000.0% |
| 2026-06-29 | 2 | — | -33.3% |
| 2026-06-22 | 3 | — | — |
| 2026-06-01 | 301 | — | — |
| 2026-05-18 | 206 | — | +134.1% |
| 2026-05-11 | 88 | — | -42.1% |
| 2026-05-04 | 152 | — | -24.4% |
| 2026-04-27 | 201 | — | — |
| 2026-03-23 | 8.7K | — | +1972.0% |
| 2026-03-16 | 422 | — | -79.4% |
| 2026-03-09 | 2.1K | — | — |
| 2026-02-02 | 20 | — | -95.1% |