MPT Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
MPT dark pool volume for the week of 2026-07-20: 3.8M shares traded across 27 ATS venues with a total notional value of $18.4M. Volume is down 40.5% week-over-week. Off-exchange dark pool transactions account for 8.4% of total MPT market volume — within the normal institutional baseline range. Primary routing venues include , INTELLIGENT CROSS LLC, MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in MPT 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 MPT.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 3.8M | 8.4% | -40.5% |
| 2026-07-13 | 6.4M | — | +13.5% |
| 2026-07-06 | 5.7M | — | +6.6% |
| 2026-06-29 | 5.3M | — | -9.9% |
| 2026-06-22 | 5.9M | — | +41.4% |
| 2026-06-15 | 4.2M | — | -12.9% |
| 2026-06-08 | 4.8M | — | +5.6% |
| 2026-06-01 | 4.5M | — | +28.4% |
| 2026-05-25 | 3.5M | — | -4.5% |
| 2026-05-18 | 3.7M | — | -29.2% |
| 2026-05-11 | 5.2M | — | -8.6% |
| 2026-05-04 | 5.7M | — | +0.7% |