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ACMR · ACM Research, Inc.

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$80.42 -0.77 (-0.95%) At close · Aug 14
Market Cap
$5.54B
Shares
69.65M

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 1,799,510 1,032,437 2,831,947 43.6%
2026-06-29 2,515,126 1,608,625 4,123,751 44.2%
2026-06-22 2,314,031 1,722,959 4,036,990 37.7%
2026-06-15 1,616,151 1,351,919 2,968,070 38.4%
2026-06-08 2,355,198 1,291,130 3,646,328 46.3%
2026-06-01 2,257,421 1,471,660 3,729,081 43.2%
2026-05-25 3,785,003 1,606,102 5,391,105 51.9%
2026-05-18 1,723,950 1,294,567 3,018,517 41.0%
2026-05-11 4,243,955 2,042,067 6,286,022 49.8%
2026-05-04 2,176,360 1,176,712 3,353,072 45.2%
2026-04-27 1,276,908 803,455 2,080,363 42.0%
2026-04-20 1,590,174 1,014,594 2,604,768 47.5%
2026-04-13 1,716,627 927,247 2,643,874 47.1%
2026-04-06 1,387,604 573,610 1,961,214 43.4%
2026-03-30 1,145,067 615,924 1,760,991 38.3%
2026-03-23 899,314 490,804 1,390,118 36.0%
2026-03-16 1,010,575 1,002,772 2,013,347 35.7%
2026-03-09 1,804,152 777,450 2,581,602 42.8%
2026-03-02 2,216,702 1,384,912 3,601,614 40.5%
2026-02-23 2,702,184 1,432,806 4,134,990 44.2%
2026-02-16 1,161,933 627,360 1,789,293 45.1%
2026-02-09 2,413,625 1,555,282 3,968,907 47.6%
2026-02-02 2,993,161 1,814,030 4,807,191 46.5%
2026-01-26 1,818,573 1,582,200 3,400,773 50.2%
2026-01-19 1,558,957 931,687 2,490,644 44.7%
2026-01-12 2,170,829 1,170,031 3,340,860 44.3%
2026-01-05 3,476,375 1,529,431 5,005,806 54.4%
2025-12-29 1,266,146 1,005,126 2,271,272 45.1%
2025-12-22 1,127,037 452,581 1,579,618 42.3%
2025-12-15 1,287,512 2,118,078 3,405,590 46.5%
2025-12-08 1,645,183 1,107,023 2,752,206 41.4%
2025-12-01 1,255,617 625,563 1,881,180 34.6%
2025-11-24 999,274 551,525 1,550,799 40.9%
2025-11-17 1,195,724 724,708 1,920,432 40.6%
2025-11-10 2,033,336 2,307,968 4,341,304 48.6%
2025-11-03 2,501,669 2,417,820 4,919,489 46.2%
2025-10-27 941,929 987,681 1,929,610 45.9%
2025-10-20 1,325,346 1,014,929 2,340,275 53.9%
2025-10-13 1,561,141 1,152,799 2,713,940 48.3%
2025-10-06 1,444,213 1,449,079 2,893,292 44.5%
2025-09-29 2,124,498 2,634,209 4,758,707 48.4%
2025-09-22 4,094,682 5,510,708 9,605,390 42.5%
2025-09-15 2,653,289 3,164,830 5,818,119 50.5%
2025-09-08 1,364,035 1,768,483 3,132,518 50.5%
2025-09-01 1,125,039 1,302,386 2,427,425 40.4%
2025-08-25 1,915,812 1,540,500 3,456,312 42.6%
2025-08-18 2,028,131 1,915,067 3,943,198 42.0%
Showing 1–47 of 47 weeks
Key facts CIK 1680062 CUSIP 00108J109 13F (30d) 358 filings 356 filers Visit website Investor relations