IRON Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
IRON dark pool volume for the week of 2026-07-06: 1.1M shares traded across 26 ATS venues with a total notional value of $88.6M. Volume is down 21.3% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in IRON 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 IRON.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.1M | — | -21.3% |
| 2026-06-29 | 1.4M | — | -28.9% |
| 2026-06-22 | 2.0M | — | +140.8% |
| 2026-06-15 | 831.6K | — | +15.8% |
| 2026-06-08 | 718.5K | — | -6.6% |
| 2026-06-01 | 769.5K | — | +83.3% |
| 2026-05-25 | 419.7K | — | -33.4% |
| 2026-05-18 | 629.9K | — | -59.3% |
| 2026-05-11 | 1.5M | — | +146.1% |
| 2026-05-04 | 628.3K | — | -10.6% |
| 2026-04-27 | 702.6K | — | — |
| 2026-03-23 | 722.0K | — | -10.7% |