PHIN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PHIN dark pool volume for the week of 2026-07-06: 399.6K shares traded across 23 ATS venues with a total notional value of $31.3M. Volume is down 21.1% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in PHIN 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 PHIN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 399.6K | — | -21.1% |
| 2026-06-29 | 506.5K | — | -41.8% |
| 2026-06-22 | 870.5K | — | +82.0% |
| 2026-06-15 | 478.4K | — | -21.1% |
| 2026-06-08 | 606.7K | — | +40.6% |
| 2026-06-01 | 431.4K | — | +62.3% |
| 2026-05-25 | 265.9K | — | -34.5% |
| 2026-05-18 | 406.0K | — | -3.1% |
| 2026-05-11 | 419.0K | — | -24.2% |
| 2026-05-04 | 552.9K | — | -3.7% |
| 2026-04-27 | 574.2K | — | — |
| 2026-03-23 | 524.1K | — | +50.5% |