SDA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SDA dark pool volume for the week of 2026-07-06: 73.0K shares traded across 19 ATS venues with a total notional value of $66K. Volume is up 57.4% week-over-week. Primary routing venues include , IBKR ATS, INSTINCT X.
Dark pool activity in SDA 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 SDA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 73.0K | — | +57.4% |
| 2026-06-29 | 46.4K | — | +18.4% |
| 2026-06-22 | 39.2K | — | -76.2% |
| 2026-06-15 | 164.6K | — | -52.0% |
| 2026-06-08 | 343.2K | — | -46.2% |
| 2026-06-01 | 638.3K | — | -59.4% |
| 2026-05-25 | 1.6M | — | -60.3% |
| 2026-05-18 | 4.0M | — | +3376.1% |
| 2026-05-11 | 113.8K | — | +54.0% |
| 2026-05-04 | 73.9K | — | -9.5% |
| 2026-04-27 | 81.7K | — | — |
| 2026-03-23 | 22.7K | — | -69.5% |