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BIB · ProShares Ultra Nasdaq Biotechnology ETF

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$120.00 -1.91 (-1.57%) 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 3,485 11,736 15,221 44.0%
2026-07-20 1,414 10,749 12,163 32.8%
2026-07-13 6,219 19,589 25,808 58.3%
2026-07-06 5,951 39,700 45,651 51.7%
2026-06-29 3,573 29,308 32,881 55.0%
2026-06-22 5,806 41,166 46,972 37.6%
2026-06-15 2,171 11,055 13,226 30.8%
2026-06-08 1,777 9,413 11,190 32.7%
2026-06-01 1,152 11,951 13,103 49.8%
2026-05-25 616 5,345 5,961 48.9%
2026-05-18 2,521 13,229 15,750 41.7%
2026-05-11 2,915 18,533 21,448 56.9%
2026-05-04 5,678 31,127 36,805 53.6%
2026-04-27 4,265 19,662 23,927 42.9%
2026-04-20 11,188 35,254 46,442 60.9%
2026-04-13 6,085 18,109 24,194 54.9%
2026-04-06 5,523 14,805 20,328 43.5%
2026-03-30 4,980 20,315 25,295 74.8%
2026-03-23 10,310 18,116 28,426 46.2%
2026-03-16 4,808 19,570 24,378 47.9%
2026-03-09 2,357 22,793 25,150 39.4%
2026-03-02 11,655 29,542 41,197 56.4%
2026-02-23 3,268 18,525 21,793 49.9%
2026-02-16 1,200 12,463 13,663 53.4%
2026-02-09 1,422 21,240 22,662 61.6%
2026-02-02 2,233 31,454 33,687 56.1%
2026-01-26 2,099 31,172 33,271 61.6%
2026-01-19 6,288 34,684 40,972 58.7%
2026-01-12 2,439 27,951 30,390 59.9%
2026-01-05 5,050 72,141 77,191 69.6%
2025-12-29 1,937 19,864 21,801 61.6%
2025-12-22 3,365 20,145 23,510 50.7%
2025-12-15 3,368 20,659 24,027 46.5%
2025-12-08 6,944 38,575 45,519 56.9%
2025-12-01 6,019 43,517 49,536 57.7%
2025-11-24 9,565 47,606 57,171 56.8%
2025-11-17 10,211 61,522 71,733 58.7%
2025-11-10 12,166 56,684 68,850 51.3%
2025-11-03 1,832 42,698 44,530 52.6%
2025-10-27 1,890 29,039 30,929 59.8%
2025-10-20 1,750 29,662 31,412 56.6%
2025-10-13 4,091 44,887 48,978 59.7%
2025-10-06 7,533 78,389 85,922 61.1%
2025-09-29 2,288 38,544 40,832 64.3%
2025-09-22 791 12,198 12,989 50.3%
2025-09-15 800 13,111 13,911 46.1%
2025-09-08 1,496 22,514 24,010 59.4%
Showing 1–47 of 47 weeks