CPIX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CPIX dark pool volume for the week of 2026-07-06: 29.7K shares traded across 17 ATS venues with a total notional value of $179K. Volume is down 9.2% week-over-week. Primary routing venues include , IBKR ATS, INSTINCT X.
Dark pool activity in CPIX 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 CPIX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 29.7K | — | -9.2% |
| 2026-06-29 | 32.7K | — | -19.2% |
| 2026-06-22 | 40.4K | — | +286.2% |
| 2026-06-15 | 10.5K | — | -54.3% |
| 2026-06-08 | 22.9K | — | -41.7% |
| 2026-06-01 | 39.3K | — | -59.4% |
| 2026-05-25 | 96.8K | — | +39.7% |
| 2026-05-18 | 69.3K | — | +10.5% |
| 2026-05-11 | 62.7K | — | -31.9% |
| 2026-05-04 | 92.1K | — | -39.2% |
| 2026-04-27 | 151.5K | — | — |
| 2026-03-23 | 24.8K | — | -76.7% |