IPA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-09-01
IPA dark pool volume for the week of 2025-09-01: 352.4K shares traded across 23 ATS venues with a total notional value of $710K. Volume is down 41.5% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, IBKR ATS.
Dark pool activity in IPA 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 IPA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-09-01 | 352.4K | — | -41.5% |
| 2025-08-25 | 602.3K | — | -36.0% |
| 2025-08-18 | 940.7K | — | +352.3% |
| 2025-08-11 | 208.0K | — | -28.0% |
| 2025-08-04 | 289.0K | — | -36.1% |
| 2025-07-28 | 452.6K | — | -5.9% |
| 2025-07-21 | 481.2K | — | -17.2% |
| 2025-07-14 | 580.9K | — | -23.1% |
| 2025-07-07 | 755.2K | — | +308.7% |
| 2025-06-30 | 184.8K | — | -13.2% |
| 2025-06-23 | 213.0K | — | -33.2% |
| 2025-06-16 | 318.8K | — | -86.1% |