PCAR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
PCAR dark pool volume for the week of 2026-07-20: 5.1M shares traded across 29 ATS venues with a total notional value of $665.6M. Volume is up 58.7% week-over-week. Off-exchange dark pool transactions account for 25.9% of total PCAR market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in PCAR 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 PCAR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 5.1M | 25.9% | +58.7% |
| 2026-07-13 | 3.2M | — | -34.6% |
| 2026-07-06 | 4.9M | — | +86.5% |
| 2026-06-29 | 2.6M | — | -26.1% |
| 2026-06-22 | 3.6M | — | +6.4% |
| 2026-06-15 | 3.4M | — | -19.2% |
| 2026-06-08 | 4.2M | — | -21.9% |
| 2026-06-01 | 5.3M | — | +117.1% |
| 2026-05-25 | 2.5M | — | -31.3% |
| 2026-05-18 | 3.6M | — | +17.0% |
| 2026-05-11 | 3.1M | — | -4.9% |
| 2026-05-04 | 3.2M | — | -44.3% |