SMH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
SMH dark pool volume for the week of 2026-07-20: 10.3M shares traded across 30 ATS venues with a total notional value of $5.86B. Volume is down 14.1% week-over-week. Off-exchange dark pool transactions account for 29.3% of total SMH market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in SMH 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 SMH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 10.3M | 29.3% | -14.1% |
| 2026-07-13 | 11.9M | 34.1% | +33.1% |
| 2026-07-06 | 9.0M | — | -19.8% |
| 2026-06-29 | 11.2M | — | -4.1% |
| 2026-06-22 | 11.7M | — | +50.6% |
| 2026-06-15 | 7.7M | — | -32.2% |
| 2026-06-08 | 11.4M | 10.9% | +5.0% |
| 2026-06-01 | 10.9M | 18.7% | +59.0% |
| 2026-05-25 | 6.8M | 11.8% | -22.5% |
| 2026-05-18 | 8.8M | 15.2% | -18.8% |
| 2026-05-11 | 10.9M | 18.8% | +15.3% |
| 2026-05-04 | 9.4M | 16.3% | +24.7% |