MAPS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-03-23
MAPS dark pool volume for the week of 2026-03-23: 280.5K shares traded across 0 ATS venues with a total notional value of $175K. Volume is up 19.8% week-over-week. Primary routing venues include multiple ATS venues.
Dark pool activity in MAPS 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 MAPS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-03-23 | 280.5K | — | +19.8% |
| 2026-03-16 | 234.1K | — | -39.6% |
| 2026-03-09 | 387.6K | — | — |
| 2026-02-02 | 250.8K | — | -40.7% |
| 2026-01-26 | 422.8K | — | +145.2% |
| 2026-01-19 | 172.4K | — | -55.5% |
| 2026-01-12 | 387.1K | — | +16.1% |
| 2026-01-05 | 333.5K | — | -49.1% |
| 2025-12-29 | 655.0K | — | +45.1% |
| 2025-12-22 | 451.3K | — | -64.7% |
| 2025-12-15 | 1.3M | — | +38.7% |
| 2025-12-08 | 921.1K | — | +339.1% |