PRFX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PRFX dark pool volume for the week of 2026-07-06: 34.2K shares traded across 17 ATS venues with a total notional value of $46K. Volume is up 15.2% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, IBKR ATS.
Dark pool activity in PRFX 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 PRFX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 34.2K | — | +15.2% |
| 2026-06-29 | 29.7K | — | -92.3% |
| 2026-06-22 | 388.1K | — | -65.6% |
| 2026-06-15 | 1.1M | — | +2865.8% |
| 2026-06-08 | 38.0K | — | -91.1% |
| 2026-06-01 | 425.4K | — | -88.5% |
| 2026-05-25 | 3.7M | — | +1128.0% |
| 2026-05-18 | 301.7K | — | +8164.9% |
| 2026-05-11 | 3.6K | — | +29.0% |
| 2026-05-04 | 2.8K | — | -83.7% |
| 2026-04-27 | 17.4K | — | — |
| 2026-03-23 | 8.0K | — | +3.8% |