HYG Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
HYG dark pool volume for the week of 2026-07-20: 42.4M shares traded across 25 ATS venues with a total notional value of $3.37B. Volume is up 25.5% week-over-week. Off-exchange dark pool transactions account for 27.9% of total HYG 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 HYG 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 HYG.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 42.4M | 27.9% | +25.5% |
| 2026-07-13 | 33.8M | 22.3% | -8.3% |
| 2026-07-06 | 36.9M | 24.3% | +16.5% |
| 2026-06-29 | 31.6M | 20.8% | -19.8% |
| 2026-06-22 | 39.4M | 23.5% | +4.1% |
| 2026-06-15 | 37.9M | 20.5% | -15.3% |
| 2026-06-08 | 44.7M | 24.2% | +6.9% |
| 2026-06-01 | 41.8M | 29.4% | +45.6% |
| 2026-05-25 | 28.7M | 20.2% | -43.3% |
| 2026-05-18 | 50.6M | 35.7% | +12.1% |
| 2026-05-11 | 45.2M | 31.8% | -1.3% |
| 2026-05-04 | 45.8M | 32.3% | -10.9% |