GCTK Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
GCTK dark pool volume for the week of 2026-07-06: 926.2K shares traded across 22 ATS venues with a total notional value of $347K. Volume is up 5931.6% week-over-week. Primary routing venues include , BOATS, BRUCE MARKETS, LLC..
Dark pool activity in GCTK 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 GCTK.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 926.2K | — | +5931.6% |
| 2026-06-29 | 15.4K | — | -1.5% |
| 2026-06-22 | 15.6K | — | -77.8% |
| 2026-06-15 | 70.3K | — | -70.4% |
| 2026-06-08 | 237.9K | — | +215.5% |
| 2026-06-01 | 75.4K | — | -21.9% |
| 2026-05-25 | 96.5K | — | -18.2% |
| 2026-05-18 | 118.0K | — | +30.0% |
| 2026-05-11 | 90.8K | — | -97.3% |
| 2026-05-04 | 3.4M | — | -7.5% |
| 2026-04-27 | 3.7M | — | — |
| 2026-03-23 | 852.0K | — | +16651.1% |