SPHB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
SPHB dark pool volume for the week of 2026-07-20: 196.1K shares traded across 26 ATS venues with a total notional value of $28.1M. Volume is down 60.8% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in SPHB 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 SPHB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 196.1K | — | -60.8% |
| 2026-07-13 | 500.7K | — | +85.9% |
| 2026-07-06 | 269.3K | — | +67.0% |
| 2026-06-29 | 161.2K | — | -42.5% |
| 2026-06-22 | 280.1K | — | +28.5% |
| 2026-06-15 | 218.0K | — | -63.5% |
| 2026-06-08 | 597.0K | — | +95.4% |
| 2026-06-01 | 305.5K | — | +44.4% |
| 2026-05-25 | 211.5K | — | -63.5% |
| 2026-05-18 | 580.2K | — | +65.4% |
| 2026-05-11 | 350.7K | — | +32.2% |
| 2026-05-04 | 265.2K | — | +9.6% |