PECO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PECO dark pool volume for the week of 2026-07-06: 772.4K shares traded across 23 ATS venues with a total notional value of $32.5M. Volume is down 26.2% week-over-week. Primary routing venues include , LEVEL ATS, MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in PECO 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 PECO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 772.4K | — | -26.2% |
| 2026-06-29 | 1.0M | — | -23.4% |
| 2026-06-22 | 1.4M | — | +32.9% |
| 2026-06-15 | 1.0M | — | -38.3% |
| 2026-06-08 | 1.7M | — | +111.3% |
| 2026-06-01 | 787.4K | — | +8.8% |
| 2026-05-25 | 723.4K | — | -33.6% |
| 2026-05-18 | 1.1M | — | +16.9% |
| 2026-05-11 | 932.6K | — | +15.5% |
| 2026-05-04 | 807.5K | — | -39.2% |
| 2026-04-27 | 1.3M | — | — |
| 2026-03-23 | 655.8K | — | -46.0% |