AL Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-03-23
AL dark pool volume for the week of 2026-03-23: 2.6M shares traded across 24 ATS venues with a total notional value of $169.3M. Volume is up 13.3% week-over-week. Primary routing venues include , UBS ATS, LEVEL ATS.
Dark pool activity in AL 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 AL.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-03-23 | 2.6M | — | +13.3% |
| 2026-03-16 | 2.3M | — | -46.7% |
| 2026-03-09 | 4.3M | — | +2.1% |
| 2026-03-02 | 4.2M | — | +158.5% |
| 2026-02-23 | 1.6M | — | +19.4% |
| 2026-02-16 | 1.4M | — | -30.3% |
| 2026-02-09 | 2.0M | — | +2.2% |
| 2026-02-02 | 1.9M | — | +37.9% |
| 2026-01-26 | 1.4M | — | +35.2% |
| 2026-01-19 | 1.0M | — | -7.8% |
| 2026-01-12 | 1.1M | — | -33.4% |
| 2026-01-05 | 1.7M | — | +87.4% |