PX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-02-02
PX dark pool volume for the week of 2026-02-02: 928.3K shares traded across 26 ATS venues with a total notional value of $9.6M. Volume is up 8.7% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in PX 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 PX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-02-02 | 928.3K | — | +8.7% |
| 2026-01-26 | 853.7K | — | +11.3% |
| 2026-01-19 | 766.8K | — | +11.9% |
| 2026-01-12 | 685.1K | — | +115.1% |
| 2026-01-05 | 318.5K | — | +77.5% |
| 2025-12-29 | 179.4K | — | +14.5% |
| 2025-12-22 | 156.6K | — | -58.1% |
| 2025-12-15 | 374.0K | — | -44.4% |
| 2025-12-08 | 672.9K | — | +16.2% |
| 2025-12-01 | 579.3K | — | +43.6% |
| 2025-11-24 | 403.4K | — | -42.6% |
| 2025-11-17 | 702.7K | — | -22.0% |