MERC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MERC dark pool volume for the week of 2026-07-06: 1.2M shares traded across 23 ATS venues with a total notional value of $771K. Volume is up 9.8% week-over-week. Primary routing venues include , ONECHRONOS, INTELLIGENT CROSS LLC.
Dark pool activity in MERC 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 MERC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.2M | — | +9.8% |
| 2026-06-29 | 1.1M | — | -15.9% |
| 2026-06-22 | 1.3M | — | +426.6% |
| 2026-06-15 | 243.1K | — | -9.3% |
| 2026-06-08 | 267.9K | — | -8.4% |
| 2026-06-01 | 292.6K | — | +28.9% |
| 2026-05-25 | 227.0K | — | -51.4% |
| 2026-05-18 | 467.1K | — | -43.9% |
| 2026-05-11 | 832.8K | — | +173.8% |
| 2026-05-04 | 304.2K | — | +23.7% |
| 2026-04-27 | 245.8K | — | — |
| 2026-03-23 | 406.0K | — | +47.7% |