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CMU

Mfs High Yield Municipal Trust

Company with tickers: CMU

CIK
809844
CUSIP
59318E102
Shares Outstanding
25,492,782
13F Activity (30d)
9 filings 4 filers

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
2026-05-04 268,247 313,143 581,390 100.0%
2026-04-27 672,110 525,158 1,197,268 53.9%
2026-04-20 178,746 323,074 501,820 69.4%
2026-04-13 414,083 180,351 594,434 55.2%
2026-04-06 237,869 620,251 858,120 59.9%
2026-03-30 22,777 95,907 118,684 71.6%
2026-03-23 25,779 59,334 85,113 43.7%
2026-03-16 79,957 74,978 154,935 48.1%
2026-03-09 87,540 162,317 249,857 47.5%
2026-03-02 130,441 296,996 427,437 39.3%
2026-02-23 24,104 167,084 191,188 60.4%
2026-02-16 24,753 105,181 129,934 45.4%
2026-02-09 13,933 141,834 155,767 67.8%
2026-02-02 57,390 153,369 210,759 53.6%
2026-01-26 8,366 189,487 197,853 69.4%
2026-01-19 6,819 95,816 102,635 46.3%
2026-01-12 21,051 92,630 113,681 64.2%
2026-01-05 76,698 158,161 234,859 73.1%
2025-12-29 68,582 169,410 237,992 55.0%
2025-12-22 13,153 108,320 121,473 40.2%
2025-12-15 15,109 194,184 209,293 63.1%
2025-12-08 63,238 377,579 440,817 70.4%
2025-12-01 78,794 187,456 266,250 61.8%
2025-11-24 12,193 77,361 89,554 52.9%
2025-11-17 23,717 220,520 244,237 69.5%
2025-11-10 70,588 225,585 296,173 63.2%
2025-11-03 62,064 179,252 241,316 61.7%
2025-10-27 51,280 55,653 106,933 49.1%
2025-10-20 35,189 94,404 129,593 74.0%
2025-10-13 50,201 148,282 198,483 66.3%
2025-10-06 8,431 118,034 126,465 69.8%
2025-09-29 21,487 111,495 132,982 49.7%
2025-09-22 10,603 103,163 113,766 73.3%
2025-09-15 66,553 180,553 247,106 76.6%
2025-09-08 15,638 98,884 114,522 53.8%
2025-09-01 51,242 175,703 226,945 70.0%
2025-08-25 113,350 235,106 348,456 63.0%
2025-08-18 29,420 179,645 209,065 66.2%
2025-08-11 19,209 77,748 96,957 43.1%
2025-08-04 6,681 109,262 115,943 61.6%
2025-07-28 22,756 143,865 166,621 61.2%
2025-07-21 173,345 182,219 355,564 68.3%
2025-07-14 238,802 343,018 581,820 64.7%
2025-07-07 403,324 381,507 784,831 66.5%
2025-06-30 131,177 199,011 330,188 51.5%
2025-06-23 88,340 157,312 245,652 60.0%
2025-06-16 13,911 47,574 61,485 52.2%
Showing 1–47 of 47 weeks