ACA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ACA dark pool volume for the week of 2026-07-06: 906.7K shares traded across 24 ATS venues with a total notional value of $131.5M. Volume is down 34.7% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in ACA 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 ACA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 906.7K | — | -34.7% |
| 2026-06-29 | 1.4M | — | -70.5% |
| 2026-06-22 | 4.7M | — | +1295.0% |
| 2026-06-15 | 337.1K | — | -21.9% |
| 2026-06-08 | 431.7K | — | +28.6% |
| 2026-06-01 | 335.7K | — | +25.1% |
| 2026-05-25 | 268.3K | — | -16.2% |
| 2026-05-18 | 320.1K | — | -8.6% |
| 2026-05-11 | 350.3K | — | -25.3% |
| 2026-05-04 | 469.2K | — | -12.7% |
| 2026-04-27 | 537.5K | — | — |
| 2026-03-23 | 314.1K | — | -7.0% |