ONCY Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ONCY dark pool volume for the week of 2026-07-06: 720.4K shares traded across 23 ATS venues with a total notional value of $622K. Volume is up 143.6% week-over-week. Primary routing venues include , MS POOL (ATS-4), INTELLIGENT CROSS LLC.
Dark pool activity in ONCY 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 ONCY.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 720.4K | — | +143.6% |
| 2026-06-29 | 295.7K | — | -59.3% |
| 2026-06-22 | 725.8K | — | -27.0% |
| 2026-06-15 | 994.1K | — | -22.9% |
| 2026-06-08 | 1.3M | — | -18.9% |
| 2026-06-01 | 1.6M | — | +98.8% |
| 2026-05-25 | 799.3K | — | +34.5% |
| 2026-05-18 | 594.1K | — | -2.0% |
| 2026-05-11 | 606.5K | — | -48.4% |
| 2026-05-04 | 1.2M | — | +28.7% |
| 2026-04-27 | 912.8K | — | — |
| 2026-03-23 | 225.2K | — | +54.5% |