YSS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
YSS dark pool volume for the week of 2026-07-06: 1.3M shares traded across 28 ATS venues with a total notional value of $28.0M. Volume is down 3.9% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in YSS 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 YSS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.3M | — | -3.9% |
| 2026-06-29 | 1.3M | — | -23.4% |
| 2026-06-22 | 1.8M | — | +1.3% |
| 2026-06-15 | 1.7M | — | -33.1% |
| 2026-06-08 | 2.6M | — | +11.1% |
| 2026-06-01 | 2.3M | — | -13.4% |
| 2026-05-25 | 2.7M | — | +49.0% |
| 2026-05-18 | 1.8M | — | -69.6% |
| 2026-05-11 | 6.0M | — | +227.3% |
| 2026-05-04 | 1.8M | — | -10.5% |
| 2026-04-27 | 2.0M | — | — |
| 2026-03-23 | 1.8M | — | -28.1% |