STLA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
STLA dark pool volume for the week of 2026-07-06: 14.5M shares traded across 27 ATS venues with a total notional value of $79.9M. Volume is up 18.6% week-over-week. Off-exchange dark pool transactions account for 13.8% of total STLA market volume — within the normal institutional baseline range. Primary routing venues include , INTELLIGENT CROSS LLC, MS POOL (ATS-4).
Dark pool activity in STLA 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 STLA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 14.5M | 13.8% | +18.6% |
| 2026-06-29 | 12.2M | — | -27.7% |
| 2026-06-22 | 16.9M | — | +27.2% |
| 2026-06-15 | 13.3M | 8.1% | -16.6% |
| 2026-06-08 | 15.9M | 9.7% | +47.8% |
| 2026-06-01 | 10.8M | 13.6% | -27.0% |
| 2026-05-25 | 14.8M | 18.6% | -18.0% |
| 2026-05-18 | 18.0M | 22.7% | +25.2% |
| 2026-05-11 | 14.4M | 18.2% | -10.3% |
| 2026-05-04 | 16.0M | 20.3% | -27.9% |
| 2026-04-27 | 22.3M | 28.2% | — |
| 2026-03-23 | 15.2M | 19.2% | -12.2% |