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TOPT · iShares Top 20 U.S. Stocks ETF ETF

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$34.03 -0.16 (-0.47%) 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.

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-07-27 129,517 750,422 879,939 52.2%
2026-07-20 172,559 544,154 716,713 47.2%
2026-07-13 234,507 596,561 831,068 43.5%
2026-07-06 169,566 555,216 724,782 57.6%
2026-06-29 190,271 391,984 582,255 49.8%
2026-06-22 397,593 948,577 1,346,170 47.6%
2026-06-15 223,252 793,681 1,016,933 52.1%
2026-06-08 268,322 647,723 916,045 50.7%
2026-06-01 152,026 592,919 744,945 55.0%
2026-05-25 270,692 549,580 820,272 54.4%
2026-05-18 226,081 695,412 921,493 54.1%
2026-05-11 249,118 1,019,409 1,268,527 74.9%
2026-05-04 255,918 707,911 963,829 57.1%
2026-04-27 159,642 570,877 730,519 53.3%
2026-04-20 190,698 791,170 981,868 52.8%
2026-04-13 285,442 1,005,191 1,290,633 65.9%
2026-04-06 302,655 656,624 959,279 54.0%
2026-03-30 281,486 634,019 915,505 51.7%
2026-03-23 282,868 702,578 985,446 48.1%
2026-03-16 247,991 1,108,573 1,356,564 55.0%
2026-03-09 517,664 757,729 1,275,393 40.7%
2026-03-02 351,501 764,662 1,116,163 27.7%
2026-02-23 180,395 470,787 651,182 34.9%
2026-02-16 173,370 387,260 560,630 32.6%
2026-02-09 174,466 782,616 957,082 32.4%
2026-02-02 260,427 604,328 864,755 39.5%
2026-01-26 278,007 1,009,015 1,287,022 57.9%
2026-01-19 244,877 1,016,526 1,261,403 57.5%
2026-01-12 373,935 737,236 1,111,171 58.3%
2026-01-05 264,820 1,151,092 1,415,912 60.0%
2025-12-29 158,718 488,668 647,386 54.0%
2025-12-22 78,351 501,729 580,080 55.4%
2025-12-15 334,694 537,210 871,904 42.2%
2025-12-08 531,833 825,511 1,357,344 53.1%
2025-12-01 608,482 864,756 1,473,238 57.4%
2025-11-24 574,301 711,674 1,285,975 58.4%
2025-11-17 871,970 1,128,798 2,000,768 45.9%
2025-11-10 571,968 886,208 1,458,176 59.4%
2025-11-03 849,226 1,223,194 2,072,420 44.5%
2025-10-27 914,648 1,416,016 2,330,664 51.5%
2025-10-20 464,261 864,384 1,328,645 46.1%
2025-10-13 386,155 770,265 1,156,420 35.7%
2025-10-06 307,424 711,824 1,019,248 48.1%
2025-09-29 219,708 605,931 825,639 59.5%
2025-09-22 335,260 472,622 807,882 58.6%
2025-09-15 263,105 641,871 904,976 61.9%
2025-09-08 258,869 841,564 1,100,433 70.3%
Showing 1–47 of 47 weeks