GCBC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
GCBC dark pool volume for the week of 2026-07-06: 70.9K shares traded across 21 ATS venues with a total notional value of $2.4M. Volume is up 26.2% week-over-week. Primary routing venues include , SIGMA X2, INSTINCT X.
Dark pool activity in GCBC 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 GCBC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 70.9K | — | +26.2% |
| 2026-06-29 | 56.2K | — | -26.6% |
| 2026-06-22 | 76.5K | — | +75.6% |
| 2026-06-15 | 43.6K | — | -7.7% |
| 2026-06-08 | 47.2K | — | +165.5% |
| 2026-06-01 | 17.8K | — | +120.4% |
| 2026-05-25 | 8.1K | — | +35.7% |
| 2026-05-18 | 5.9K | — | +1.9% |
| 2026-05-11 | 5.8K | — | +38.8% |
| 2026-05-04 | 4.2K | — | -20.1% |
| 2026-04-27 | 5.3K | — | — |
| 2026-03-23 | 8.9K | — | -28.2% |