COO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
COO dark pool volume for the week of 2026-07-20: 2.3M shares traded across 25 ATS venues with a total notional value of $162.4M. Volume is down 18.4% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in COO 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 COO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 2.3M | — | -18.4% |
| 2026-07-13 | 2.8M | — | -24.3% |
| 2026-07-06 | 3.7M | — | -7.7% |
| 2026-06-29 | 4.0M | — | +6.8% |
| 2026-06-22 | 3.8M | — | +39.6% |
| 2026-06-15 | 2.7M | — | -48.3% |
| 2026-06-08 | 5.2M | — | -44.5% |
| 2026-06-01 | 9.4M | 60.3% | +197.8% |
| 2026-05-25 | 3.2M | — | -26.0% |
| 2026-05-18 | 4.3M | — | +30.3% |
| 2026-05-11 | 3.3M | — | -8.1% |
| 2026-05-04 | 3.6M | — | -4.7% |