OPTU Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
OPTU dark pool volume for the week of 2026-07-06: 14.4M shares traded across 26 ATS venues with a total notional value of $18.7M. Volume is down 13.8% week-over-week. Off-exchange dark pool transactions account for 113.5% of total OPTU market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in OPTU 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 OPTU.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 14.4M | 113.5% | -13.8% |
| 2026-06-29 | 16.7M | — | -38.2% |
| 2026-06-22 | 27.1M | 200.5% | +133.2% |
| 2026-06-15 | 11.6M | — | +7.5% |
| 2026-06-08 | 10.8M | 55.8% | -63.9% |
| 2026-06-01 | 29.9M | 40.6% | +704.8% |
| 2026-05-25 | 3.7M | — | -40.0% |
| 2026-05-18 | 6.2M | 8.4% | +7.6% |
| 2026-05-11 | 5.8M | — | +27.3% |
| 2026-05-04 | 4.5M | — | -4.8% |
| 2026-04-27 | 4.7M | — | — |
| 2026-03-23 | 2.8M | — | -33.5% |