NHS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
NHS dark pool volume for the week of 2026-07-06: 68.0K shares traded across 18 ATS venues with a total notional value of $422K. Volume is down 58.5% week-over-week. Primary routing venues include , CROSSSTREAM, INTELLIGENT CROSS LLC.
Dark pool activity in NHS 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 NHS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 68.0K | — | -58.5% |
| 2026-06-29 | 164.1K | — | -55.6% |
| 2026-06-22 | 369.8K | — | +363.6% |
| 2026-06-15 | 79.8K | — | -10.7% |
| 2026-06-08 | 89.4K | — | -53.8% |
| 2026-06-01 | 193.3K | — | +105.6% |
| 2026-05-25 | 94.0K | — | -25.7% |
| 2026-05-18 | 126.5K | — | +35.5% |
| 2026-05-11 | 93.4K | — | -31.3% |
| 2026-05-04 | 135.9K | — | +3.4% |
| 2026-04-27 | 131.4K | — | — |
| 2026-03-23 | 211.7K | — | -75.1% |