UPC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
UPC dark pool volume for the week of 2026-07-06: 74.5K shares traded across 21 ATS venues with a total notional value of $436K. Volume is down 96.5% week-over-week. Primary routing venues include , IBKR ATS, UBS ATS.
Dark pool activity in UPC 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 UPC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 74.5K | — | -96.5% |
| 2026-06-29 | 2.1M | — | +71564.7% |
| 2026-06-22 | 3.0K | — | -92.2% |
| 2026-06-15 | 37.9K | — | +73.8% |
| 2026-06-08 | 21.8K | — | +1263.3% |
| 2026-06-01 | 1.6K | — | +13.7% |
| 2026-05-25 | 1.4K | — | +68.6% |
| 2026-05-18 | 834 | — | -8.4% |
| 2026-05-11 | 911 | — | -78.4% |
| 2026-05-04 | 4.2K | — | +74.4% |
| 2026-04-27 | 2.4K | — | — |
| 2026-03-23 | 3.2K | — | +196.2% |