CLST Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CLST dark pool volume for the week of 2026-07-06: 1.6K shares traded across 6 ATS venues with a total notional value of $26K. Volume is up 449.1% week-over-week. Primary routing venues include , IBKR ATS, UBS ATS.
Dark pool activity in CLST 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 CLST.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.6K | — | +449.1% |
| 2026-06-29 | 285 | — | -77.7% |
| 2026-06-22 | 1.3K | — | +804.3% |
| 2026-06-15 | 141 | — | -53.0% |
| 2026-06-08 | 300 | — | -46.3% |
| 2026-06-01 | 559 | — | +1410.8% |
| 2026-05-25 | 37 | — | -94.7% |
| 2026-05-18 | 701 | — | -64.5% |
| 2026-05-11 | 2.0K | — | +89.8% |
| 2026-05-04 | 1.0K | — | +60.1% |
| 2026-04-27 | 650 | — | — |
| 2026-03-23 | 3.2K | — | +2.6% |