STC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
STC dark pool volume for the week of 2026-07-06: 328.0K shares traded across 24 ATS venues with a total notional value of $22.3M. Volume is down 7.6% week-over-week. Primary routing venues include , UBS ATS, SIGMA X2.
Dark pool activity in STC 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 STC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 328.0K | — | -7.6% |
| 2026-06-29 | 354.9K | — | +9.4% |
| 2026-06-22 | 324.5K | — | +112.5% |
| 2026-06-15 | 152.7K | — | -9.9% |
| 2026-06-08 | 169.4K | — | -36.6% |
| 2026-06-01 | 267.1K | — | +166.6% |
| 2026-05-25 | 100.2K | — | -35.5% |
| 2026-05-18 | 155.5K | — | -43.0% |
| 2026-05-11 | 272.7K | — | +18.4% |
| 2026-05-04 | 230.2K | — | -21.3% |
| 2026-04-27 | 292.6K | — | — |
| 2026-03-23 | 268.2K | — | -21.1% |