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BIOY · GraniteShares YieldBOOST Biotech ETF ETF

Alerts for BIOY
$21.17 -0.21 (-1.00%) 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
2026-07-27 277 9,256 9,533 69.6%
2026-07-20 58 8,667 8,725 74.6%
2026-07-13 103 8,891 8,994 77.5%
2026-07-06 0 16,037 16,037 62.9%
2026-06-29 200 2,112 2,312 53.8%
2026-06-22 1 4,278 4,279 72.5%
2026-06-15 125 3,890 4,015 65.8%
2026-06-08 5 2,981 2,986 59.7%
2026-06-01 397 6,581 6,978 71.9%
2026-05-25 0 2,382 2,382 54.1%
2026-05-18 2 5,073 5,075 81.9%
2026-05-11 377 2,471 2,848 66.2%
2026-05-04 217 2,060 2,277 55.5%
Showing 1–13 of 13 weeks