SPRO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SPRO dark pool volume for the week of 2026-07-06: 238.2K shares traded across 22 ATS venues with a total notional value of $511K. Volume is up 4.4% week-over-week. Primary routing venues include , INSTINCT X, INTELLIGENT CROSS LLC.
Dark pool activity in SPRO 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 SPRO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 238.2K | — | +4.4% |
| 2026-06-29 | 228.1K | — | -65.5% |
| 2026-06-22 | 660.4K | — | -63.8% |
| 2026-06-15 | 1.8M | — | +309.4% |
| 2026-06-08 | 445.9K | — | +0.4% |
| 2026-06-01 | 444.1K | — | -32.2% |
| 2026-05-25 | 655.3K | — | +120.8% |
| 2026-05-18 | 296.7K | — | -44.3% |
| 2026-05-11 | 533.1K | — | +9.0% |
| 2026-05-04 | 489.2K | — | +91.8% |
| 2026-04-27 | 255.1K | — | — |
| 2026-03-23 | 178.8K | — | +37.0% |