SPOK Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SPOK dark pool volume for the week of 2026-07-06: 94.3K shares traded across 23 ATS venues with a total notional value of $985K. Volume is down 30.6% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INTELLIGENT CROSS LLC.
Dark pool activity in SPOK 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 SPOK.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 94.3K | — | -30.6% |
| 2026-06-29 | 135.9K | — | +7.1% |
| 2026-06-22 | 126.8K | — | +10.2% |
| 2026-06-15 | 115.1K | — | +51.0% |
| 2026-06-08 | 76.2K | — | -15.8% |
| 2026-06-01 | 90.4K | — | +11.4% |
| 2026-05-25 | 81.2K | — | -15.3% |
| 2026-05-18 | 95.9K | — | -27.3% |
| 2026-05-11 | 131.8K | — | +22.0% |
| 2026-05-04 | 108.0K | — | -20.6% |
| 2026-04-27 | 136.0K | — | — |
| 2026-03-23 | 108.2K | — | +5.1% |