ULH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ULH dark pool volume for the week of 2026-07-06: 32.0K shares traded across 21 ATS venues with a total notional value of $450K. Volume is down 0.7% week-over-week. Primary routing venues include , UBS ATS, MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in ULH 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 ULH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 32.0K | — | -0.7% |
| 2026-06-29 | 32.2K | — | -27.1% |
| 2026-06-22 | 44.3K | — | -24.2% |
| 2026-06-15 | 58.4K | — | -8.8% |
| 2026-06-08 | 64.0K | — | -0.9% |
| 2026-06-01 | 64.7K | — | +19.4% |
| 2026-05-25 | 54.1K | — | -32.8% |
| 2026-05-18 | 80.5K | — | -8.2% |
| 2026-05-11 | 87.7K | — | -35.5% |
| 2026-05-04 | 136.1K | — | +259.7% |
| 2026-04-27 | 37.8K | — | — |
| 2026-03-23 | 53.0K | — | +32.5% |