PRT Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PRT dark pool volume for the week of 2026-07-06: 7.5K shares traded across 11 ATS venues with a total notional value of $16K. Volume is up 50.2% week-over-week. Primary routing venues include , IBKR ATS, UBS ATS.
Dark pool activity in PRT 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 PRT.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 7.5K | — | +50.2% |
| 2026-06-29 | 5.0K | — | -47.5% |
| 2026-06-22 | 9.5K | — | -70.7% |
| 2026-06-15 | 32.5K | — | +35.1% |
| 2026-06-08 | 24.0K | — | +94.0% |
| 2026-06-01 | 12.4K | — | -40.9% |
| 2026-05-25 | 21.0K | — | -4.2% |
| 2026-05-18 | 21.9K | — | +15.7% |
| 2026-05-11 | 18.9K | — | -15.6% |
| 2026-05-04 | 22.4K | — | +47.7% |
| 2026-04-27 | 15.2K | — | — |
| 2026-03-23 | 14.1K | — | -1.7% |