ERX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ERX dark pool volume for the week of 2026-07-06: 236.7K shares traded across 21 ATS venues with a total notional value of $19.1M. Volume is up 75.1% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in ERX 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 ERX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 236.7K | — | +75.1% |
| 2026-06-29 | 135.2K | — | -42.8% |
| 2026-06-22 | 236.2K | — | +23.4% |
| 2026-06-15 | 191.4K | — | -40.7% |
| 2026-06-08 | 322.9K | — | +21.7% |
| 2026-06-01 | 265.4K | — | +13.1% |
| 2026-05-25 | 234.7K | — | -4.2% |
| 2026-05-18 | 245.1K | — | +105.0% |
| 2026-05-11 | 119.6K | — | -30.6% |
| 2026-05-04 | 172.4K | — | -5.8% |
| 2026-04-27 | 183.1K | — | — |
| 2026-03-23 | 220.4K | — | -8.2% |