ESI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
ESI dark pool volume for the week of 2026-07-20: 7.1M shares traded across 27 ATS venues with a total notional value of $269.2M. Volume is down 13.9% week-over-week. Off-exchange dark pool transactions account for 52.1% of total ESI market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in ESI 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 ESI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 7.1M | 52.1% | -13.9% |
| 2026-07-13 | 8.2M | — | -62.6% |
| 2026-07-06 | 22.0M | 162.2% | +460.3% |
| 2026-06-29 | 3.9M | — | -46.3% |
| 2026-06-22 | 7.3M | — | +81.0% |
| 2026-06-15 | 4.0M | — | +5.5% |
| 2026-06-08 | 3.8M | — | -5.8% |
| 2026-06-01 | 4.1M | — | +22.9% |
| 2026-05-25 | 3.3M | — | -24.9% |
| 2026-05-18 | 4.4M | — | -7.2% |
| 2026-05-11 | 4.8M | — | +1.7% |
| 2026-05-04 | 4.7M | — | -25.6% |