SPIR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SPIR dark pool volume for the week of 2026-07-06: 715.9K shares traded across 25 ATS venues with a total notional value of $11.6M. Volume is down 10.8% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS POOL (ATS-4).
Dark pool activity in SPIR 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 SPIR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 715.9K | — | -10.8% |
| 2026-06-29 | 802.2K | — | -43.7% |
| 2026-06-22 | 1.4M | — | -3.1% |
| 2026-06-15 | 1.5M | — | -11.5% |
| 2026-06-08 | 1.7M | — | +25.5% |
| 2026-06-01 | 1.3M | — | -35.1% |
| 2026-05-25 | 2.0M | — | +85.5% |
| 2026-05-18 | 1.1M | — | -56.9% |
| 2026-05-11 | 2.5M | — | +85.7% |
| 2026-05-04 | 1.4M | — | +37.0% |
| 2026-04-27 | 1.0M | — | — |
| 2026-03-23 | 930.2K | — | +21.5% |