SPNS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-12-15
SPNS dark pool volume for the week of 2025-12-15: 334.6K shares traded across 22 ATS venues with a total notional value of $14.5M. Volume is down 37.8% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in SPNS 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 SPNS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-12-15 | 334.6K | — | -37.8% |
| 2025-12-08 | 537.6K | — | +80.4% |
| 2025-12-01 | 298.0K | — | -15.0% |
| 2025-11-24 | 350.4K | — | -57.8% |
| 2025-11-17 | 831.2K | — | +141.8% |
| 2025-11-10 | 343.8K | — | +12.9% |
| 2025-11-03 | 304.4K | — | — |
| 2025-10-20 | 384.8K | — | -49.9% |
| 2025-10-13 | 768.3K | — | +41.0% |
| 2025-10-06 | 544.8K | — | -29.1% |
| 2025-09-29 | 768.2K | — | +152.7% |
| 2025-09-22 | 304.1K | — | -16.3% |