PTPI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-05-19
PTPI dark pool volume for the week of 2025-05-19: 1.2M shares traded across 22 ATS venues with a total notional value of $100K. Volume is up 51.0% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, LEVEL ATS.
Dark pool activity in PTPI 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 11-week historical volume and complete venue breakdown for PTPI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-05-19 | 1.2M | — | +51.0% |
| 2025-05-12 | 784.6K | — | +42.5% |
| 2025-05-05 | 550.6K | — | -97.8% |
| 2025-04-28 | 25.7M | 27.4% | +40642.7% |
| 2025-04-21 | 63.0K | — | +184.2% |
| 2025-04-14 | 22.2K | — | -66.7% |
| 2025-04-07 | 66.6K | — | -86.0% |
| 2025-03-31 | 475.3K | — | -95.0% |
| 2025-03-24 | 9.6M | 14.2% | +3253.3% |
| 2025-03-17 | 285.2K | — | -50.9% |
| 2025-03-10 | 581.4K | — | — |