IHI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
IHI dark pool volume for the week of 2026-07-20: 1.5M shares traded across 22 ATS venues with a total notional value of $77.4M. Volume is down 8.9% week-over-week. Primary routing venues include , UBS ATS, ONECHRONOS.
Dark pool activity in IHI 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 IHI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 1.5M | — | -8.9% |
| 2026-07-13 | 1.7M | — | -51.3% |
| 2026-07-06 | 3.5M | — | +90.1% |
| 2026-06-29 | 1.8M | — | +1.4% |
| 2026-06-22 | 1.8M | — | +35.3% |
| 2026-06-15 | 1.3M | — | -17.2% |
| 2026-06-08 | 1.6M | — | +6.3% |
| 2026-06-01 | 1.5M | — | -6.9% |
| 2026-05-25 | 1.6M | — | -7.5% |
| 2026-05-18 | 1.8M | — | -14.7% |
| 2026-05-11 | 2.1M | — | +53.2% |
| 2026-05-04 | 1.4M | — | +9.3% |