GSL Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
GSL dark pool volume for the week of 2026-07-06: 344.9K shares traded across 24 ATS venues with a total notional value of $13.6M. Volume is up 63.7% week-over-week. Primary routing venues include , MS POOL (ATS-4), UBS ATS.
Dark pool activity in GSL 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 GSL.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 344.9K | — | +63.7% |
| 2026-06-29 | 210.7K | — | -17.4% |
| 2026-06-22 | 255.0K | — | +6.2% |
| 2026-06-15 | 240.1K | — | -3.4% |
| 2026-06-08 | 248.6K | — | -32.8% |
| 2026-06-01 | 370.2K | — | -9.9% |
| 2026-05-25 | 410.9K | — | -16.8% |
| 2026-05-18 | 494.1K | — | +69.0% |
| 2026-05-11 | 292.3K | — | -35.9% |
| 2026-05-04 | 456.3K | — | +98.9% |
| 2026-04-27 | 229.4K | — | — |
| 2026-03-23 | 350.4K | — | -24.7% |