WSR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
WSR dark pool volume for the week of 2026-07-06: 996.4K shares traded across 23 ATS venues with a total notional value of $18.9M. Volume is up 103.4% week-over-week. Primary routing venues include , MS POOL (ATS-4), UBS ATS.
Dark pool activity in WSR 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 WSR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 996.4K | — | +103.4% |
| 2026-06-29 | 490.0K | — | -81.4% |
| 2026-06-22 | 2.6M | — | +867.4% |
| 2026-06-15 | 272.2K | — | -26.9% |
| 2026-06-08 | 372.3K | — | +20.2% |
| 2026-06-01 | 309.7K | — | -45.2% |
| 2026-05-25 | 564.7K | — | -23.3% |
| 2026-05-18 | 736.4K | — | +17.1% |
| 2026-05-11 | 628.7K | — | -10.2% |
| 2026-05-04 | 699.8K | — | +37.1% |
| 2026-04-27 | 510.6K | — | — |
| 2026-03-23 | 161.2K | — | -67.3% |