ISPR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ISPR dark pool volume for the week of 2026-07-06: 81.6K shares traded across 21 ATS venues with a total notional value of $98K. Volume is down 41.8% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in ISPR 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 ISPR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 81.6K | — | -41.8% |
| 2026-06-29 | 140.1K | — | +16.9% |
| 2026-06-22 | 119.9K | — | +109.9% |
| 2026-06-15 | 57.1K | — | -28.2% |
| 2026-06-08 | 79.6K | — | +93.1% |
| 2026-06-01 | 41.2K | — | -47.6% |
| 2026-05-25 | 78.6K | — | +21.1% |
| 2026-05-18 | 64.9K | — | +209.4% |
| 2026-05-11 | 21.0K | — | -67.6% |
| 2026-05-04 | 64.7K | — | +54.0% |
| 2026-04-27 | 42.0K | — | — |
| 2026-03-23 | 69.3K | — | -41.4% |