OP Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-11-10
OP dark pool volume for the week of 2025-11-10: 40.1K shares traded across 18 ATS venues with a total notional value of $56K. Volume is down 14.8% week-over-week. Primary routing venues include , BOATS, IBKR ATS.
Dark pool activity in OP 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 OP.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-11-10 | 40.1K | — | -14.8% |
| 2025-11-03 | 47.1K | — | — |
| 2025-10-20 | 117.3K | — | -54.2% |
| 2025-10-13 | 256.3K | — | +542.2% |
| 2025-10-06 | 39.9K | — | +144.4% |
| 2025-09-29 | 16.3K | — | +0.6% |
| 2025-09-22 | 16.2K | — | -57.8% |
| 2025-09-15 | 38.5K | — | -33.1% |
| 2025-09-08 | 57.5K | — | -48.0% |
| 2025-09-01 | 110.5K | — | +3.6% |
| 2025-08-25 | 106.6K | — | -90.3% |
| 2025-08-18 | 1.1M | — | +322.9% |