CDIO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CDIO dark pool volume for the week of 2026-07-06: 4.4K shares traded across 13 ATS venues with a total notional value of $8K. Volume is down 44.9% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in CDIO 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 CDIO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 4.4K | — | -44.9% |
| 2026-06-29 | 8.0K | — | +15.0% |
| 2026-06-22 | 7.0K | — | -17.2% |
| 2026-06-15 | 8.4K | — | -51.4% |
| 2026-06-08 | 17.3K | — | -45.8% |
| 2026-06-01 | 32.0K | — | +155.3% |
| 2026-05-25 | 12.5K | — | -50.2% |
| 2026-05-18 | 25.1K | — | +38.3% |
| 2026-05-11 | 18.2K | — | -39.5% |
| 2026-05-04 | 30.1K | — | +112.3% |
| 2026-04-27 | 14.2K | — | — |
| 2026-03-23 | 32.3K | — | -64.7% |