CSF Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-04-21
CSF dark pool volume for the week of 2025-04-21: 6.6K shares traded across 7 ATS venues with a total notional value of $335K. Volume is down 41.0% week-over-week. Primary routing venues include , UBS ATS, SIGMA X2.
Dark pool activity in CSF 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 7-week historical volume and complete venue breakdown for CSF.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-04-21 | 6.6K | — | -41.0% |
| 2025-04-14 | 11.2K | — | +1672.8% |
| 2025-04-07 | 629 | — | -94.3% |
| 2025-03-31 | 11.0K | — | +224.3% |
| 2025-03-24 | 3.4K | — | -15.7% |
| 2025-03-17 | 4.0K | — | +59.1% |
| 2025-03-10 | 2.5K | — | — |