FISI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
FISI dark pool volume for the week of 2026-07-06: 171.9K shares traded across 22 ATS venues with a total notional value of $6.6M. Volume is down 32.6% week-over-week. Primary routing venues include , UBS ATS, MS POOL (ATS-4).
Dark pool activity in FISI 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 FISI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 171.9K | — | -32.6% |
| 2026-06-29 | 255.1K | — | -18.1% |
| 2026-06-22 | 311.4K | — | +63.5% |
| 2026-06-15 | 190.4K | — | -11.2% |
| 2026-06-08 | 214.4K | — | +57.6% |
| 2026-06-01 | 136.1K | — | +81.0% |
| 2026-05-25 | 75.2K | — | +1.9% |
| 2026-05-18 | 73.8K | — | -21.8% |
| 2026-05-11 | 94.4K | — | +11.3% |
| 2026-05-04 | 84.9K | — | -4.4% |
| 2026-04-27 | 88.8K | — | — |
| 2026-03-23 | 102.9K | — | -44.9% |