CSTE Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CSTE dark pool volume for the week of 2026-07-06: 61.1K shares traded across 17 ATS venues with a total notional value of $144K. Volume is down 59.5% week-over-week. Primary routing venues include , IBKR ATS, INTELLIGENT CROSS LLC.
Dark pool activity in CSTE 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 CSTE.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 61.1K | — | -59.5% |
| 2026-06-29 | 150.7K | — | +323.1% |
| 2026-06-22 | 35.6K | — | -22.1% |
| 2026-06-15 | 45.8K | — | +68.8% |
| 2026-06-08 | 27.1K | — | -74.2% |
| 2026-06-01 | 105.2K | — | +194.5% |
| 2026-05-25 | 35.7K | — | -56.9% |
| 2026-05-18 | 83.0K | — | +39.1% |
| 2026-05-11 | 59.6K | — | +80.9% |
| 2026-05-04 | 33.0K | — | -35.9% |
| 2026-04-27 | 51.5K | — | — |
| 2026-03-23 | 266.5K | — | -61.9% |