XLB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
XLB dark pool volume for the week of 2026-07-20: 9.3M shares traded across 26 ATS venues with a total notional value of $471.8M. Volume is up 26.8% week-over-week. Off-exchange dark pool transactions account for 14.8% of total XLB market volume — within the normal institutional baseline range. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in XLB 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 XLB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 9.3M | 14.8% | +26.8% |
| 2026-07-13 | 7.4M | — | -30.5% |
| 2026-07-06 | 10.6M | — | +58.0% |
| 2026-06-29 | 6.7M | — | -5.7% |
| 2026-06-22 | 7.1M | — | -11.3% |
| 2026-06-15 | 8.0M | — | -0.2% |
| 2026-06-08 | 8.0M | — | -12.9% |
| 2026-06-01 | 9.2M | 18.3% | +69.9% |
| 2026-05-25 | 5.4M | 10.8% | -18.1% |
| 2026-05-18 | 6.6M | 13.2% | -9.1% |
| 2026-05-11 | 7.3M | 14.5% | +7.7% |
| 2026-05-04 | 6.8M | 13.5% | -2.7% |