UPSX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
UPSX dark pool volume for the week of 2026-07-06: 26.3K shares traded across 16 ATS venues with a total notional value of $524K. Volume is up 10.3% week-over-week. Primary routing venues include , LEVEL ATS, IBKR ATS.
Dark pool activity in UPSX 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 UPSX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 26.3K | — | +10.3% |
| 2026-06-29 | 23.8K | — | -30.1% |
| 2026-06-22 | 34.1K | — | +23.5% |
| 2026-06-15 | 27.6K | — | +16.1% |
| 2026-06-08 | 23.8K | — | -26.5% |
| 2026-06-01 | 32.4K | — | -16.6% |
| 2026-05-25 | 38.8K | — | +90.5% |
| 2026-05-18 | 20.4K | — | -56.8% |
| 2026-05-11 | 47.1K | — | -27.1% |
| 2026-05-04 | 64.6K | — | +182.8% |
| 2026-04-27 | 22.9K | — | — |
| 2026-03-23 | 35.2K | — | -26.1% |