MDRR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MDRR dark pool volume for the week of 2026-07-06: 127 shares traded across 7 ATS venues with a total notional value of $1K. Volume is down 93.4% week-over-week. Primary routing venues include , IBKR ATS, UBS ATS.
Dark pool activity in MDRR 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 MDRR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 127 | — | -93.4% |
| 2026-06-29 | 1.9K | — | +3900.0% |
| 2026-06-22 | 48 | — | -90.6% |
| 2026-06-15 | 511 | — | -81.3% |
| 2026-06-08 | 2.7K | — | +4244.4% |
| 2026-06-01 | 63 | — | -84.7% |
| 2026-05-25 | 412 | — | +24.1% |
| 2026-05-18 | 332 | — | +1.8% |
| 2026-05-11 | 326 | — | +3160.0% |
| 2026-05-04 | 10 | — | +66.7% |
| 2026-04-27 | 6 | — | — |
| 2026-03-23 | 30 | — | -95.7% |