OPFI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
OPFI dark pool volume for the week of 2026-07-06: 688.0K shares traded across 23 ATS venues with a total notional value of $6.6M. Volume is up 2.2% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INSTINCT X.
Dark pool activity in OPFI 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 OPFI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 688.0K | — | +2.2% |
| 2026-06-29 | 673.4K | — | +35.7% |
| 2026-06-22 | 496.1K | — | -21.7% |
| 2026-06-15 | 633.9K | — | -13.0% |
| 2026-06-08 | 728.3K | — | -3.2% |
| 2026-06-01 | 752.5K | — | +94.2% |
| 2026-05-25 | 387.5K | — | -46.7% |
| 2026-05-18 | 726.7K | — | -36.6% |
| 2026-05-11 | 1.1M | — | -0.4% |
| 2026-05-04 | 1.1M | — | +26.1% |
| 2026-04-27 | 912.1K | — | — |
| 2026-03-23 | 410.6K | — | -26.1% |