UBSI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
UBSI dark pool volume for the week of 2026-07-06: 1.1M shares traded across 23 ATS venues with a total notional value of $49.8M. Volume is up 23.2% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in UBSI 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 UBSI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.1M | — | +23.2% |
| 2026-06-29 | 878.5K | — | -24.4% |
| 2026-06-22 | 1.2M | — | +48.4% |
| 2026-06-15 | 782.5K | — | -6.3% |
| 2026-06-08 | 835.5K | — | +5.8% |
| 2026-06-01 | 789.8K | — | +54.1% |
| 2026-05-25 | 512.7K | — | -17.1% |
| 2026-05-18 | 618.2K | — | -22.2% |
| 2026-05-11 | 794.3K | — | +13.0% |
| 2026-05-04 | 702.7K | — | -17.1% |
| 2026-04-27 | 847.2K | — | — |
| 2026-03-23 | 959.3K | — | +9.8% |