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MMK · State Street Prime Money Market ETF

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$100.17 +0.03 (+0.02%) At close · Aug 14

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
2026-07-06 0 11,712 11,712 56.0%
2026-06-29 49 1,591 1,640 82.0%
2026-06-22 0 2,128 2,128 30.8%
2026-06-15 0 5,256 5,256 41.7%
2026-06-08 51 14,710 14,761 67.7%
2026-06-01 100 3,720 3,820 61.6%
2026-05-25 0 9,445 9,445 48.7%
2026-05-18 0 1,486 1,486 40.2%
2026-05-11 0 2,048 2,048 64.0%
2026-05-04 0 855 855 35.6%
2026-04-27 0 187 187 31.2%
2026-04-20 0 1,160 1,160 52.7%
2026-04-13 0 480 480 13.3%
2026-04-06 0 96 96 16.0%
2026-03-30 0 130 130 18.6%
2026-03-23 0 249 249 31.1%
2026-03-16 0 461 461 57.6%
2026-03-09 0 83 83 10.4%
2026-03-02 0 973 973 37.4%
2026-02-23 0 391 391 32.6%
2026-02-16 0 37 37 12.3%
2026-02-09 218 844 1,062 40.8%
Showing 1–22 of 22 weeks
Key facts CIK 1107414 CUSIP 85749T285 13F (30d) 1 filings 1 filers