SIMA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SIMA dark pool volume for the week of 2026-07-06: 913 shares traded across 4 ATS venues with a total notional value of $10K. Volume is up 239.4% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in SIMA 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 SIMA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 913 | — | +239.4% |
| 2026-06-29 | 269 | — | -55.8% |
| 2026-06-22 | 609 | — | +204.5% |
| 2026-06-15 | 200 | — | -97.4% |
| 2026-06-08 | 7.7K | — | +494.1% |
| 2026-06-01 | 1.3K | — | -19.0% |
| 2026-05-25 | 1.6K | — | -69.2% |
| 2026-05-18 | 5.2K | — | +33.7% |
| 2026-05-11 | 3.9K | — | -39.3% |
| 2026-05-04 | 6.4K | — | +2059.6% |
| 2026-04-27 | 297 | — | — |
| 2026-03-23 | 1.8K | — | +725.7% |