CNA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
CNA dark pool volume for the week of 2026-07-20: 585.8K shares traded across 25 ATS venues with a total notional value of $30.7M. Volume is down 28.8% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INTELLIGENT CROSS LLC.
Dark pool activity in CNA 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 CNA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 585.8K | — | -28.8% |
| 2026-07-13 | 822.5K | — | +23.9% |
| 2026-07-06 | 664.0K | — | +25.5% |
| 2026-06-29 | 529.1K | — | -32.8% |
| 2026-06-22 | 787.6K | — | +13.8% |
| 2026-06-15 | 692.3K | — | -4.7% |
| 2026-06-08 | 726.5K | — | +27.5% |
| 2026-06-01 | 569.6K | — | +21.9% |
| 2026-05-25 | 467.3K | — | -4.7% |
| 2026-05-18 | 490.2K | — | -32.8% |
| 2026-05-11 | 729.6K | — | -33.8% |
| 2026-05-04 | 1.1M | — | +111.7% |