USIO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
USIO dark pool volume for the week of 2026-07-06: 45.9K shares traded across 18 ATS venues with a total notional value of $101K. Volume is up 38.9% week-over-week. Primary routing venues include , UBS ATS, IBKR ATS.
Dark pool activity in USIO 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 USIO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 45.9K | — | +38.9% |
| 2026-06-29 | 33.0K | — | -45.3% |
| 2026-06-22 | 60.4K | — | +340.8% |
| 2026-06-15 | 13.7K | — | -47.1% |
| 2026-06-08 | 25.9K | — | +118.5% |
| 2026-06-01 | 11.8K | — | -74.8% |
| 2026-05-25 | 46.9K | — | +11.7% |
| 2026-05-18 | 42.0K | — | -29.1% |
| 2026-05-11 | 59.3K | — | +242.5% |
| 2026-05-04 | 17.3K | — | +270.3% |
| 2026-04-27 | 4.7K | — | — |
| 2026-03-23 | 20.1K | — | -26.2% |