PFSI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PFSI dark pool volume for the week of 2026-07-06: 726.1K shares traded across 25 ATS venues with a total notional value of $59.4M. Volume is down 21.7% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in PFSI 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 PFSI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 726.1K | — | -21.7% |
| 2026-06-29 | 927.7K | — | +2.7% |
| 2026-06-22 | 903.4K | — | +45.9% |
| 2026-06-15 | 619.2K | — | +7.3% |
| 2026-06-08 | 577.4K | — | -45.8% |
| 2026-06-01 | 1.1M | — | +30.6% |
| 2026-05-25 | 815.2K | — | +31.0% |
| 2026-05-18 | 622.4K | — | -5.0% |
| 2026-05-11 | 655.0K | — | -52.4% |
| 2026-05-04 | 1.4M | — | +120.5% |
| 2026-04-27 | 623.5K | — | — |
| 2026-03-23 | 729.0K | — | +0.3% |