MDXH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MDXH dark pool volume for the week of 2026-07-06: 126.1K shares traded across 21 ATS venues with a total notional value of $61K. Volume is down 67.8% week-over-week. Primary routing venues include , MS POOL (ATS-4), INTELLIGENT CROSS LLC.
Dark pool activity in MDXH 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 MDXH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 126.1K | — | -67.8% |
| 2026-06-29 | 392.1K | — | +47.3% |
| 2026-06-22 | 266.3K | — | +94.8% |
| 2026-06-15 | 136.7K | — | -21.9% |
| 2026-06-08 | 175.0K | — | -72.7% |
| 2026-06-01 | 640.6K | — | +185.2% |
| 2026-05-25 | 224.6K | — | +7.5% |
| 2026-05-18 | 208.9K | — | -76.4% |
| 2026-05-11 | 885.0K | — | +606.7% |
| 2026-05-04 | 125.2K | — | +63.8% |
| 2026-04-27 | 76.5K | — | — |
| 2026-03-23 | 125.7K | — | +22.8% |