SPR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-12-01
SPR dark pool volume for the week of 2025-12-01: 4.7M shares traded across 27 ATS venues with a total notional value of $179.3M. Volume is up 302.7% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in SPR 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 SPR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-12-01 | 4.7M | — | +302.7% |
| 2025-11-24 | 1.2M | — | -47.5% |
| 2025-11-17 | 2.2M | — | -6.0% |
| 2025-11-10 | 2.4M | — | +0.2% |
| 2025-11-03 | 2.3M | — | +80.6% |
| 2025-10-27 | 1.3M | — | +63.9% |
| 2025-10-20 | 793.0K | — | +22.4% |
| 2025-10-13 | 647.9K | — | -34.0% |
| 2025-10-06 | 982.2K | — | -12.5% |
| 2025-09-29 | 1.1M | — | +47.0% |
| 2025-09-22 | 763.3K | — | -3.0% |
| 2025-09-15 | 786.5K | — | +26.1% |