HEPS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
HEPS dark pool volume for the week of 2026-07-06: 89.6K shares traded across 22 ATS venues with a total notional value of $265K. Volume is up 75.8% week-over-week. Primary routing venues include , IBKR ATS, INSTINCT X.
Dark pool activity in HEPS 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 HEPS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 89.6K | — | +75.8% |
| 2026-06-29 | 50.9K | — | -85.1% |
| 2026-06-22 | 340.9K | — | -57.5% |
| 2026-06-15 | 802.7K | — | +598.4% |
| 2026-06-08 | 114.9K | — | -41.5% |
| 2026-06-01 | 196.3K | — | +36.3% |
| 2026-05-25 | 144.0K | — | -86.7% |
| 2026-05-18 | 1.1M | — | +61.5% |
| 2026-05-11 | 672.5K | — | -13.9% |
| 2026-05-04 | 780.9K | — | +59.5% |
| 2026-04-27 | 489.7K | — | — |
| 2026-03-23 | 221.1K | — | +105.6% |