SAM Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SAM dark pool volume for the week of 2026-07-06: 463.9K shares traded across 23 ATS venues with a total notional value of $83.2M. Volume is up 34.5% week-over-week. Primary routing venues include , SIGMA X2, UBS ATS.
Dark pool activity in SAM 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 SAM.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 463.9K | — | +34.5% |
| 2026-06-29 | 344.9K | — | -24.4% |
| 2026-06-22 | 456.2K | — | +49.7% |
| 2026-06-15 | 304.8K | — | -38.5% |
| 2026-06-08 | 495.3K | — | +32.4% |
| 2026-06-01 | 374.2K | — | +8.7% |
| 2026-05-25 | 344.3K | — | -29.2% |
| 2026-05-18 | 486.5K | — | -21.6% |
| 2026-05-11 | 620.6K | — | +67.3% |
| 2026-05-04 | 371.0K | — | -36.7% |
| 2026-04-27 | 586.5K | — | — |
| 2026-03-23 | 247.7K | — | +8.6% |