TREX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
TREX dark pool volume for the week of 2026-07-20: 3.3M shares traded across 25 ATS venues with a total notional value of $141.8M. Volume is down 36.0% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in TREX 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 TREX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 3.3M | — | -36.0% |
| 2026-07-13 | 5.1M | — | +130.6% |
| 2026-07-06 | 2.2M | — | +11.0% |
| 2026-06-29 | 2.0M | — | -29.7% |
| 2026-06-22 | 2.9M | — | +17.1% |
| 2026-06-15 | 2.4M | — | -43.9% |
| 2026-06-08 | 4.4M | — | +91.2% |
| 2026-06-01 | 2.3M | — | +10.2% |
| 2026-05-25 | 2.1M | — | -38.8% |
| 2026-05-18 | 3.4M | — | -5.9% |
| 2026-05-11 | 3.6M | — | -24.4% |
| 2026-05-04 | 4.7M | — | +90.6% |