WSC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
WSC dark pool volume for the week of 2026-07-20: 4.0M shares traded across 24 ATS venues with a total notional value of $106.6M. Volume is up 70.3% week-over-week. Off-exchange dark pool transactions account for 22.6% of total WSC market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , ONECHRONOS, INTELLIGENT CROSS LLC.
Dark pool activity in WSC 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 WSC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 4.0M | 22.6% | +70.3% |
| 2026-07-13 | 2.4M | — | -12.7% |
| 2026-07-06 | 2.7M | — | +16.2% |
| 2026-06-29 | 2.3M | — | -7.9% |
| 2026-06-22 | 2.5M | — | +21.9% |
| 2026-06-15 | 2.1M | — | -19.6% |
| 2026-06-08 | 2.6M | — | -17.8% |
| 2026-06-01 | 3.1M | — | +90.4% |
| 2026-05-25 | 1.6M | — | -49.1% |
| 2026-05-18 | 3.2M | — | -34.0% |
| 2026-05-11 | 4.9M | — | -33.1% |
| 2026-05-04 | 7.3M | 87.2% | +101.8% |