OPBK Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
OPBK dark pool volume for the week of 2026-07-06: 33.0K shares traded across 19 ATS venues with a total notional value of $490K. Volume is down 19.9% week-over-week. Primary routing venues include , IBKR ATS, SIGMA X2.
Dark pool activity in OPBK 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 OPBK.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 33.0K | — | -19.9% |
| 2026-06-29 | 41.2K | — | -23.7% |
| 2026-06-22 | 54.0K | — | -0.6% |
| 2026-06-15 | 54.3K | — | +11.5% |
| 2026-06-08 | 48.7K | — | +87.9% |
| 2026-06-01 | 25.9K | — | +9.1% |
| 2026-05-25 | 23.8K | — | -42.9% |
| 2026-05-18 | 41.6K | — | -1.3% |
| 2026-05-11 | 42.2K | — | -2.5% |
| 2026-05-04 | 43.2K | — | -3.6% |
| 2026-04-27 | 44.9K | — | — |
| 2026-03-23 | 41.5K | — | -25.4% |