TACH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
TACH dark pool volume for the week of 2026-07-06: 232.1K shares traded across 12 ATS venues with a total notional value of $2.4M. Volume is up 6193.4% week-over-week. Primary routing venues include , BIDS ATS, UBS ATS.
Dark pool activity in TACH 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 TACH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 232.1K | — | +6193.4% |
| 2026-06-29 | 3.7K | — | +239.9% |
| 2026-06-22 | 1.1K | — | -95.6% |
| 2026-06-15 | 24.6K | — | +2269.5% |
| 2026-06-08 | 1.0K | — | -99.2% |
| 2026-06-01 | 128.8K | — | +15998.1% |
| 2026-05-25 | 800 | — | -90.0% |
| 2026-05-18 | 8.0K | — | +399950.0% |
| 2026-05-11 | 2 | — | — |
| 2026-04-27 | 200 | — | — |
| 2026-03-23 | 1.6K | — | — |
| 2026-01-26 | 1.5K | — | -75.8% |