SWTX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-06-30
SWTX dark pool volume for the week of 2025-06-30: 1.1M shares traded across 24 ATS venues with a total notional value of $51.5M. Volume is down 60.4% week-over-week. Primary routing venues include , SIGMA X2, POSIT.
Dark pool activity in SWTX 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 SWTX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-06-30 | 1.1M | — | -60.4% |
| 2025-06-23 | 2.8M | — | +39.5% |
| 2025-06-16 | 2.0M | — | +31.3% |
| 2025-06-09 | 1.5M | — | +5.2% |
| 2025-06-02 | 1.4M | — | -11.9% |
| 2025-05-26 | 1.6M | — | -19.2% |
| 2025-05-19 | 2.0M | — | -61.8% |
| 2025-05-12 | 5.3M | — | +42.6% |
| 2025-05-05 | 3.7M | — | -79.4% |
| 2025-04-28 | 18.0M | — | +156.2% |
| 2025-04-21 | 7.0M | — | +291.2% |
| 2025-04-14 | 1.8M | — | -49.1% |