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SIOO · Off Exchange ETF

Alerts for SIOO
$19.60 -0.05 (-0.26%) At close · Oct 23
Volume · Oct 23 14.96K Avg daily vol (3M) 10.93K

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
2026-09-14 66 8,982 9,048 23.4%
2026-09-07 350 9,407 9,757 21.8%
2026-08-31 2,270 20,727 22,997 58.2%
2026-08-24 2,672 37,624 40,296 73.5%
2026-08-17 659 23,383 24,042 69.5%
2026-08-10 9,456 66,605 76,061 66.7%
2026-08-03 900 23,214 24,114 50.0%
2026-07-27 2,695 25,109 27,804 56.7%
2026-07-20 1,530 23,498 25,028 50.5%
2026-07-13 2,111 23,206 25,317 49.4%
2026-07-06 400 23,123 23,523 74.2%
2026-06-29 2,092 18,538 20,630 53.7%
2026-06-22 2,177 28,360 30,537 56.5%
2026-06-15 2,828 23,908 26,736 51.1%
2026-06-08 182 16,291 16,473 58.0%
2026-06-01 4,120 32,294 36,414 62.8%
2026-05-25 601 26,988 27,589 55.0%
2026-05-18 40 48,467 48,507 64.5%
2026-05-11 205 47,108 47,313 33.3%
2026-05-04 2,020 42,890 44,910 56.3%
2026-04-27 201 26,290 26,491 54.7%
2026-04-20 330 60,323 60,653 50.3%
2026-04-13 4,485 32,566 37,051 44.5%
2026-04-06 834 13,365 14,199 41.2%
2026-03-30 1,438 23,315 24,753 49.7%
2026-03-23 542 17,673 18,215 53.7%
2026-03-16 2,137 21,447 23,584 51.9%
2026-03-09 7,977 19,910 27,887 34.3%
2026-03-02 10,530 65,425 75,955 56.0%
2026-02-23 754 24,212 24,966 39.1%
2026-02-16 2,353 21,440 23,793 31.5%
2026-02-09 3,353 26,356 29,709 49.1%
2026-02-02 968 10,095 11,063 40.1%
2026-01-26 21,386 54,463 75,849 74.9%
2026-01-19 13,493 23,378 36,871 60.4%
2026-01-12 233 30,997 31,230 62.3%
2026-01-05 5 16,494 16,499 69.3%
2025-12-29 214 16,721 16,935 43.1%
2025-12-22 115 22,727 22,842 65.1%
2025-12-15 1,324 19,609 20,933 56.7%
2025-12-08 5 8,798 8,803 61.1%
Showing 1–41 of 41 weeks