MCW Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-05-18
MCW dark pool volume for the week of 2026-05-18: 4.1M shares traded across 21 ATS venues with a total notional value of $29.2M. Volume is down 58.9% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in MCW 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 MCW.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-05-18 | 4.1M | — | -58.9% |
| 2026-05-11 | 10.0M | — | +452.4% |
| 2026-05-04 | 1.8M | — | -23.9% |
| 2026-04-27 | 2.4M | — | — |
| 2026-03-23 | 2.1M | — | -41.9% |
| 2026-03-16 | 3.5M | — | +0.1% |
| 2026-03-09 | 3.5M | — | — |
| 2026-02-02 | 1.2M | — | -11.4% |
| 2026-01-26 | 1.3M | — | +56.5% |
| 2026-01-19 | 848.5K | — | -30.6% |
| 2026-01-12 | 1.2M | — | -11.0% |
| 2026-01-05 | 1.4M | — | +27.5% |