QS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
QS dark pool volume for the week of 2026-07-20: 19.2M shares traded across 29 ATS venues with a total notional value of $104.5M. Volume is up 50.6% week-over-week. Off-exchange dark pool transactions account for 25.7% of total QS market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in QS 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 QS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 19.2M | 25.7% | +50.6% |
| 2026-07-13 | 12.8M | 17.1% | +15.3% |
| 2026-07-06 | 11.1M | — | +24.1% |
| 2026-06-29 | 8.9M | — | -30.3% |
| 2026-06-22 | 12.8M | — | +8.0% |
| 2026-06-15 | 11.9M | — | +19.1% |
| 2026-06-08 | 10.0M | 6.2% | -23.2% |
| 2026-06-01 | 13.0M | 15.0% | +12.6% |
| 2026-05-25 | 11.5M | 13.4% | -8.3% |
| 2026-05-18 | 12.6M | 14.6% | -32.6% |
| 2026-05-11 | 18.6M | 21.7% | +48.7% |
| 2026-05-04 | 12.5M | 14.6% | -5.0% |