ALT Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ALT dark pool volume for the week of 2026-07-06: 2.9M shares traded across 24 ATS venues with a total notional value of $8.8M. Volume is down 17.8% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS POOL (ATS-4).
Dark pool activity in ALT 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 ALT.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 2.9M | — | -17.8% |
| 2026-06-29 | 3.5M | — | +0.2% |
| 2026-06-22 | 3.5M | — | +18.1% |
| 2026-06-15 | 2.9M | — | -0.4% |
| 2026-06-08 | 3.0M | — | -1.9% |
| 2026-06-01 | 3.0M | — | +85.7% |
| 2026-05-25 | 1.6M | — | -39.8% |
| 2026-05-18 | 2.7M | — | +10.4% |
| 2026-05-11 | 2.4M | — | -25.4% |
| 2026-05-04 | 3.3M | — | -39.7% |
| 2026-04-27 | 5.4M | — | — |
| 2026-03-23 | 2.3M | — | -14.6% |