PDM Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PDM dark pool volume for the week of 2026-07-06: 722.2K shares traded across 24 ATS venues with a total notional value of $6.9M. Volume is down 17.0% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in PDM 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 PDM.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 722.2K | — | -17.0% |
| 2026-06-29 | 870.0K | — | -41.1% |
| 2026-06-22 | 1.5M | — | +51.9% |
| 2026-06-15 | 972.9K | — | -25.6% |
| 2026-06-08 | 1.3M | — | +36.8% |
| 2026-06-01 | 955.6K | — | +32.6% |
| 2026-05-25 | 720.5K | — | +36.1% |
| 2026-05-18 | 529.4K | — | -57.6% |
| 2026-05-11 | 1.2M | — | -1.9% |
| 2026-05-04 | 1.3M | — | -12.1% |
| 2026-04-27 | 1.4M | — | — |
| 2026-03-23 | 959.7K | — | +18.4% |