SELX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-06-01
SELX dark pool volume for the week of 2026-06-01: 3.8M shares traded across 23 ATS venues with a total notional value of $1.8M. Volume is up 16124.3% week-over-week. Primary routing venues include , UBS ATS, MS RPOOL (ATS-6).
Dark pool activity in SELX 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 SELX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-06-01 | 3.8M | — | +16124.3% |
| 2026-05-25 | 23.6K | — | +57.4% |
| 2026-05-18 | 15.0K | — | +0.5% |
| 2026-05-11 | 14.9K | — | -58.3% |
| 2026-05-04 | 35.8K | — | +216.6% |
| 2026-04-27 | 11.3K | — | — |
| 2026-03-23 | 1.5K | — | -14.4% |
| 2026-03-16 | 1.7K | — | +224.9% |
| 2026-03-09 | 533 | — | — |
| 2026-02-02 | 1.2K | — | -37.1% |
| 2026-01-26 | 1.9K | — | -75.1% |
| 2026-01-19 | 7.6K | — | +62.1% |