ZH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ZH dark pool volume for the week of 2026-07-06: 131.5K shares traded across 22 ATS venues with a total notional value of $421K. Volume is up 50.2% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in ZH 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 ZH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 131.5K | — | +50.2% |
| 2026-06-29 | 87.6K | — | -70.8% |
| 2026-06-22 | 299.8K | — | +3.0% |
| 2026-06-15 | 291.2K | — | +24.6% |
| 2026-06-08 | 233.7K | — | +27.8% |
| 2026-06-01 | 182.9K | — | +12.0% |
| 2026-05-25 | 163.2K | — | +55.1% |
| 2026-05-18 | 105.2K | — | -37.5% |
| 2026-05-11 | 168.4K | — | -7.2% |
| 2026-05-04 | 181.4K | — | -35.3% |
| 2026-04-27 | 280.3K | — | — |
| 2026-03-23 | 469.8K | — | -9.2% |