OBK Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
OBK dark pool volume for the week of 2026-07-06: 152.2K shares traded across 23 ATS venues with a total notional value of $7.8M. Volume is down 0.4% week-over-week. Primary routing venues include , UBS ATS, MS POOL (ATS-4).
Dark pool activity in OBK 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 OBK.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 152.2K | — | -0.4% |
| 2026-06-29 | 152.9K | — | +5.5% |
| 2026-06-22 | 144.9K | — | +78.2% |
| 2026-06-15 | 81.3K | — | -30.4% |
| 2026-06-08 | 116.8K | — | +3.7% |
| 2026-06-01 | 112.6K | — | +21.6% |
| 2026-05-25 | 92.6K | — | -32.2% |
| 2026-05-18 | 136.6K | — | -20.2% |
| 2026-05-11 | 171.2K | — | +3.8% |
| 2026-05-04 | 164.9K | — | -43.8% |
| 2026-04-27 | 293.2K | — | — |
| 2026-03-23 | 168.0K | — | +29.9% |