SIGI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SIGI dark pool volume for the week of 2026-07-06: 630.1K shares traded across 23 ATS venues with a total notional value of $61.1M. Volume is down 14.0% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in SIGI 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 SIGI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 630.1K | — | -14.0% |
| 2026-06-29 | 732.8K | — | -4.1% |
| 2026-06-22 | 764.0K | — | +36.1% |
| 2026-06-15 | 561.5K | — | -27.4% |
| 2026-06-08 | 773.1K | — | +2.9% |
| 2026-06-01 | 751.0K | — | +16.6% |
| 2026-05-25 | 643.9K | — | -30.1% |
| 2026-05-18 | 920.9K | — | +44.5% |
| 2026-05-11 | 637.5K | — | -9.4% |
| 2026-05-04 | 703.9K | — | -9.3% |
| 2026-04-27 | 775.8K | — | — |
| 2026-03-23 | 889.5K | — | +84.5% |