ASTI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ASTI dark pool volume for the week of 2026-07-06: 110.4K shares traded across 22 ATS venues with a total notional value of $466K. Volume is down 47.1% week-over-week. Primary routing venues include , IBKR ATS, MS POOL (ATS-4).
Dark pool activity in ASTI 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 ASTI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 110.4K | — | -47.1% |
| 2026-06-29 | 208.7K | — | -42.9% |
| 2026-06-22 | 365.4K | — | -17.1% |
| 2026-06-15 | 440.8K | — | -67.4% |
| 2026-06-08 | 1.4M | — | -15.8% |
| 2026-06-01 | 1.6M | — | +13.3% |
| 2026-05-25 | 1.4M | — | +248.9% |
| 2026-05-18 | 406.6K | — | +57.8% |
| 2026-05-11 | 257.8K | — | +6.4% |
| 2026-05-04 | 242.2K | — | +0.1% |
| 2026-04-27 | 242.0K | — | — |
| 2026-03-23 | 193.4K | — | +12.6% |