PTGX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PTGX dark pool volume for the week of 2026-07-06: 1.3M shares traded across 26 ATS venues with a total notional value of $179.0M. Volume is up 57.3% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in PTGX 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 PTGX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.3M | — | +57.3% |
| 2026-06-29 | 840.1K | — | -52.1% |
| 2026-06-22 | 1.8M | — | +175.3% |
| 2026-06-15 | 637.1K | — | -40.2% |
| 2026-06-08 | 1.1M | — | -8.1% |
| 2026-06-01 | 1.2M | — | +107.0% |
| 2026-05-25 | 560.2K | — | -2.3% |
| 2026-05-18 | 573.7K | — | -23.8% |
| 2026-05-11 | 753.1K | — | -6.6% |
| 2026-05-04 | 806.4K | — | -26.6% |
| 2026-04-27 | 1.1M | — | — |
| 2026-03-23 | 1.2M | — | -32.8% |