CHYM Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
CHYM dark pool volume for the week of 2026-07-20: 6.9M shares traded across 26 ATS venues with a total notional value of $148.8M. Volume is down 6.1% week-over-week. Off-exchange dark pool transactions account for 8.6% of total CHYM market volume — within the normal institutional baseline range. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in CHYM 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 CHYM.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 6.9M | 8.6% | -6.1% |
| 2026-07-13 | 7.3M | — | +64.9% |
| 2026-07-06 | 4.4M | — | -34.8% |
| 2026-06-29 | 6.8M | — | -10.2% |
| 2026-06-22 | 7.6M | — | +63.5% |
| 2026-06-15 | 4.6M | — | -7.1% |
| 2026-06-08 | 5.0M | — | +20.5% |
| 2026-06-01 | 4.1M | — | +26.2% |
| 2026-05-25 | 3.3M | — | -44.4% |
| 2026-05-18 | 5.9M | — | -16.6% |
| 2026-05-11 | 7.1M | 26.7% | -36.4% |
| 2026-05-04 | 11.1M | 42.0% | +188.5% |