LYB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
LYB dark pool volume for the week of 2026-07-20: 6.6M shares traded across 28 ATS venues with a total notional value of $404.3M. Volume is up 10.8% week-over-week. Off-exchange dark pool transactions account for 29.2% of total LYB market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in LYB 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 LYB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 6.6M | 29.2% | +10.8% |
| 2026-07-13 | 5.9M | — | -25.1% |
| 2026-07-06 | 7.9M | — | +35.7% |
| 2026-06-29 | 5.8M | — | -26.1% |
| 2026-06-22 | 7.9M | — | +29.7% |
| 2026-06-15 | 6.1M | — | -22.5% |
| 2026-06-08 | 7.8M | — | +60.3% |
| 2026-06-01 | 4.9M | — | +11.5% |
| 2026-05-25 | 4.4M | — | -8.9% |
| 2026-05-18 | 4.8M | — | -13.8% |
| 2026-05-11 | 5.6M | — | -41.2% |
| 2026-05-04 | 9.5M | 44.1% | -7.1% |