GMM Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
GMM dark pool volume for the week of 2026-07-06: 2.7M shares traded across 21 ATS venues with a total notional value of $10.4M. Volume is up 24458.1% week-over-week. Primary routing venues include , BOATS, INTELLIGENT CROSS LLC.
Dark pool activity in GMM 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 GMM.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 2.7M | — | +24458.1% |
| 2026-06-29 | 11.0K | — | -76.4% |
| 2026-06-22 | 46.7K | — | -85.8% |
| 2026-06-15 | 328.7K | — | -98.8% |
| 2026-06-08 | 27.0M | 106.2% | +941.8% |
| 2026-06-01 | 2.6M | — | -87.4% |
| 2026-05-25 | 20.6M | 6621.6% | +2392.5% |
| 2026-05-18 | 825.0K | — | -63.5% |
| 2026-05-11 | 2.3M | — | +1632.2% |
| 2026-05-04 | 130.6K | — | +9074.1% |
| 2026-04-27 | 1.4K | — | — |
| 2026-03-23 | 8.4K | — | +35.3% |