HDB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
HDB dark pool volume for the week of 2026-07-06: 10.2M shares traded across 26 ATS venues with a total notional value of $273.8M. Volume is up 30.3% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in HDB 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 HDB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 10.2M | — | +30.3% |
| 2026-06-29 | 7.8M | — | -17.7% |
| 2026-06-22 | 9.5M | — | +13.3% |
| 2026-06-15 | 8.4M | — | -45.1% |
| 2026-06-08 | 15.3M | 30.8% | +55.8% |
| 2026-06-01 | 9.8M | 28.1% | +25.1% |
| 2026-05-25 | 7.8M | 22.5% | -24.3% |
| 2026-05-18 | 10.3M | 29.8% | +14.5% |
| 2026-05-11 | 9.0M | 26.0% | +15.0% |
| 2026-05-04 | 7.9M | 22.7% | +25.6% |
| 2026-04-27 | 6.3M | 18.1% | — |
| 2026-03-23 | 20.4M | 49.3% | -0.5% |