GREK Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
GREK dark pool volume for the week of 2026-07-20: 64.0K shares traded across 16 ATS venues with a total notional value of $4.9M. Volume is down 58.8% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, JPM-X.
Dark pool activity in GREK 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 GREK.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 64.0K | — | -58.8% |
| 2026-07-13 | 155.5K | — | +305.8% |
| 2026-07-06 | 38.3K | — | +337.2% |
| 2026-06-29 | 8.8K | — | -63.9% |
| 2026-06-22 | 24.3K | — | -44.9% |
| 2026-06-15 | 44.1K | — | -50.6% |
| 2026-06-08 | 89.3K | — | -27.9% |
| 2026-06-01 | 123.8K | — | +117.6% |
| 2026-05-25 | 56.9K | — | -32.9% |
| 2026-05-18 | 84.8K | — | -38.6% |
| 2026-05-11 | 138.1K | — | +176.9% |
| 2026-05-04 | 49.9K | — | -25.4% |