CMA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-01-26
CMA dark pool volume for the week of 2026-01-26: 3.6M shares traded across 25 ATS venues with a total notional value of $334.4M. Volume is up 83.4% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, SIGMA X2.
Dark pool activity in CMA 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 CMA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-01-26 | 3.6M | — | +83.4% |
| 2026-01-19 | 2.0M | — | -9.8% |
| 2026-01-12 | 2.2M | — | -6.5% |
| 2026-01-05 | 2.3M | — | +82.8% |
| 2025-12-29 | 1.3M | — | -1.0% |
| 2025-12-22 | 1.3M | — | -36.3% |
| 2025-12-15 | 2.0M | — | -3.4% |
| 2025-12-08 | 2.1M | — | +24.1% |
| 2025-12-01 | 1.7M | — | +95.9% |
| 2025-11-24 | 858.4K | — | -58.0% |
| 2025-11-17 | 2.0M | — | +3.9% |
| 2025-11-10 | 2.0M | — | +7.1% |