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IWB · iShares Russell 1000 ETF ETF

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$421.50 -1.56 (-0.37%) At close · Sep 4

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-07-27 322,546 840,859 1,163,405 54.1%
2026-07-20 463,751 869,783 1,333,534 49.4%
2026-07-13 356,201 481,384 837,585 48.1%
2026-07-06 443,716 635,271 1,078,987 53.8%
2026-06-29 449,433 1,385,961 1,835,394 63.3%
2026-06-22 722,436 2,333,240 3,055,676 77.3%
2026-06-15 716,664 1,370,945 2,087,609 71.5%
2026-06-08 768,208 592,089 1,360,297 36.6%
2026-06-01 506,453 664,372 1,170,825 43.3%
2026-05-25 328,023 605,856 933,879 48.9%
2026-05-18 720,134 1,559,136 2,279,270 51.8%
2026-05-11 328,993 961,325 1,290,318 48.1%
2026-05-04 556,261 823,745 1,380,006 43.5%
2026-04-27 423,573 957,701 1,381,274 39.9%
2026-04-20 676,063 2,051,153 2,727,216 47.3%
2026-04-13 826,179 1,796,763 2,622,942 45.5%
2026-04-06 795,321 2,181,782 2,977,103 47.4%
2026-03-30 826,372 3,121,045 3,947,417 36.8%
2026-03-23 1,553,355 3,353,442 4,906,797 34.8%
2026-03-16 944,192 5,559,544 6,503,736 48.5%
2026-03-09 1,537,246 1,681,516 3,218,762 30.2%
2026-03-02 1,332,706 803,761 2,136,467 28.6%
2026-02-23 928,362 4,349,504 5,277,866 83.2%
2026-02-16 873,463 836,673 1,710,136 26.5%
2026-02-09 998,781 581,507 1,580,288 25.1%
2026-02-02 1,154,654 909,258 2,063,912 32.2%
2026-01-26 1,548,479 1,620,359 3,168,838 46.9%
2026-01-19 1,422,711 1,757,139 3,179,850 36.4%
2026-01-12 2,030,518 3,045,806 5,076,324 46.0%
2026-01-05 970,497 1,584,529 2,555,026 35.2%
2025-12-29 637,020 1,146,987 1,784,007 53.1%
2025-12-22 334,845 984,362 1,319,207 46.2%
2025-12-15 580,511 4,633,710 5,214,221 81.2%
2025-12-08 1,668,364 2,019,573 3,687,937 39.2%
2025-12-01 792,295 1,463,138 2,255,433 47.4%
2025-11-24 412,348 1,755,522 2,167,870 51.6%
2025-11-17 748,233 1,212,659 1,960,892 40.9%
2025-11-10 1,628,322 1,024,649 2,652,971 36.3%
2025-11-03 645,845 941,909 1,587,754 45.3%
2025-10-27 1,007,188 1,181,597 2,188,785 54.8%
2025-10-20 975,401 543,587 1,518,988 46.6%
2025-10-13 454,849 740,787 1,195,636 35.6%
2025-10-06 632,304 2,150,995 2,783,299 58.0%
2025-09-29 1,127,124 1,843,496 2,970,620 57.3%
2025-09-22 836,548 675,856 1,512,404 44.4%
2025-09-15 1,156,052 4,708,776 5,864,828 99.1%
2025-09-08 1,003,195 1,225,800 2,228,995 39.3%
Showing 1–47 of 47 weeks