ASPN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ASPN dark pool volume for the week of 2026-07-06: 823.5K shares traded across 25 ATS venues with a total notional value of $4.3M. Volume is down 6.3% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INTELLIGENT CROSS LLC.
Dark pool activity in ASPN 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 ASPN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 823.5K | — | -6.3% |
| 2026-06-29 | 878.5K | — | -17.3% |
| 2026-06-22 | 1.1M | — | +13.7% |
| 2026-06-15 | 934.5K | — | +20.1% |
| 2026-06-08 | 778.2K | — | -15.3% |
| 2026-06-01 | 918.2K | — | -5.9% |
| 2026-05-25 | 976.2K | — | +10.8% |
| 2026-05-18 | 880.9K | — | -56.5% |
| 2026-05-11 | 2.0M | — | +13.1% |
| 2026-05-04 | 1.8M | — | +44.2% |
| 2026-04-27 | 1.2M | — | — |
| 2026-03-23 | 712.4K | — | -27.2% |