HR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
HR dark pool volume for the week of 2026-07-20: 3.6M shares traded across 24 ATS venues with a total notional value of $76.3M. Volume is down 20.0% week-over-week. Off-exchange dark pool transactions account for 17.9% of total HR market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in HR 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 HR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 3.6M | 17.9% | -20.0% |
| 2026-07-13 | 4.5M | — | +46.4% |
| 2026-07-06 | 3.1M | — | +1.4% |
| 2026-06-29 | 3.0M | — | -18.2% |
| 2026-06-22 | 3.7M | — | -8.9% |
| 2026-06-15 | 4.1M | — | -48.8% |
| 2026-06-08 | 7.9M | — | +124.9% |
| 2026-06-01 | 3.5M | — | +14.3% |
| 2026-05-25 | 3.1M | — | +12.3% |
| 2026-05-18 | 2.7M | — | -38.2% |
| 2026-05-11 | 4.4M | — | -34.9% |
| 2026-05-04 | 6.8M | 48.0% | +64.7% |