ASYS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ASYS dark pool volume for the week of 2026-07-06: 480.2K shares traded across 24 ATS venues with a total notional value of $8.8M. Volume is up 11.6% week-over-week. Primary routing venues include , MS POOL (ATS-4), MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in ASYS 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 ASYS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 480.2K | — | +11.6% |
| 2026-06-29 | 430.1K | — | -1.9% |
| 2026-06-22 | 438.5K | — | +30.0% |
| 2026-06-15 | 337.3K | — | -46.6% |
| 2026-06-08 | 631.2K | — | +5.4% |
| 2026-06-01 | 598.9K | — | +90.5% |
| 2026-05-25 | 314.4K | — | +14.1% |
| 2026-05-18 | 275.7K | — | -12.3% |
| 2026-05-11 | 314.4K | — | +12.3% |
| 2026-05-04 | 280.1K | — | +42.2% |
| 2026-04-27 | 197.0K | — | — |
| 2026-03-23 | 121.2K | — | -42.1% |