RTB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
RTB dark pool volume for the week of 2026-07-06: 148.0K shares traded across 20 ATS venues with a total notional value of $2.5M. Volume is up 121.5% week-over-week. Primary routing venues include , UBS ATS, IBKR ATS.
Dark pool activity in RTB 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 8-week historical volume and complete venue breakdown for RTB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 148.0K | — | +121.5% |
| 2026-06-29 | 66.8K | — | -64.1% |
| 2026-06-22 | 186.0K | — | +256.1% |
| 2026-06-15 | 52.2K | — | +48.5% |
| 2026-06-08 | 35.2K | — | +304.1% |
| 2026-06-01 | 8.7K | — | -70.8% |
| 2026-05-25 | 29.9K | — | +132.9% |
| 2026-05-18 | 12.8K | — | — |