PRTS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PRTS dark pool volume for the week of 2026-07-06: 8.7K shares traded across 16 ATS venues with a total notional value of $54K. Volume is up 138.8% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS POOL (ATS-4).
Dark pool activity in PRTS 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 PRTS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 8.7K | — | +138.8% |
| 2026-06-29 | 3.6K | — | -71.5% |
| 2026-06-22 | 12.8K | — | +2.8% |
| 2026-06-15 | 12.5K | — | -62.1% |
| 2026-06-08 | 32.9K | — | +12.7% |
| 2026-06-01 | 29.2K | — | -26.3% |
| 2026-05-25 | 39.6K | — | -85.4% |
| 2026-05-18 | 271.8K | — | -8.3% |
| 2026-05-11 | 296.2K | — | +120.7% |
| 2026-05-04 | 134.2K | — | +4.9% |
| 2026-04-27 | 127.9K | — | — |
| 2026-03-23 | 244.6K | — | +96.6% |