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ACMR · ACM Research, Inc. · Short Volume

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$54.96 -1.13 (-2.01%) At close · Oct 20
Market Cap
$3.87B
Shares
69.65M
Volume · Oct 20 674.19K Avg daily vol (3M) 1.08M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-10-20 139,630 15 253,325 55.1%
2026-10-19 227,096 50 402,429 56.4%
2026-10-16 232,279 25,323 540,419 43.0%
2026-10-15 323,407 15,940 779,990 41.5%
2026-10-14 194,243 1,882 393,308 49.4%
2026-10-13 215,838 973 574,653 37.6%
2026-10-12 126,960 188 230,545 55.1%
2026-10-09 103,036 0 224,277 45.9%
2026-10-08 155,335 6,223 330,187 47.0%
2026-10-07 128,698 17 425,035 30.3%
2026-10-06 172,751 243 498,658 34.6%
2026-10-05 374,002 0 805,187 46.4%
2026-10-02 170,736 0 367,240 46.5%
2026-10-01 281,659 2,516 539,546 52.2%
2026-09-30 301,347 475 612,370 49.2%
2026-09-29 144,513 0 253,735 57.0%
2026-09-28 144,959 0 296,027 49.0%
2026-09-25 218,519 0 273,731 79.8%
2026-09-24 457,714 358 717,005 63.8%
2026-09-23 990,778 1,097 1,369,924 72.3%
2026-09-22 248,502 0 616,149 40.3%
2026-09-21 267,740 7 660,685 40.5%
2026-09-18 164,371 251 334,606 49.1%
2026-09-17 237,453 268 374,133 63.5%
2026-09-16 139,553 0 269,423 51.8%
2026-09-15 293,891 461 648,351 45.3%
2026-09-14 180,242 4,189 368,516 48.9%
2026-09-11 153,161 1,462 215,842 71.0%
2026-09-10 214,566 70 327,699 65.5%
2026-09-09 239,279 1,267 377,688 63.4%
2026-09-08 222,501 13,305 379,014 58.7%
2026-09-04 171,270 38 249,332 68.7%
2026-09-03 165,807 3 266,151 62.3%
2026-09-02 217,399 800 310,740 70.0%
2026-09-01 265,235 209 335,292 79.1%
2026-08-31 245,407 300 327,170 75.0%
2026-08-28 246,892 0 419,464 58.9%
2026-08-27 159,256 28 240,724 66.2%
2026-08-26 220,162 170 289,441 76.1%
2026-08-25 155,709 188 204,038 76.3%
2026-08-24 162,287 0 286,809 56.6%
2026-08-21 114,559 0 193,289 59.3%
2026-08-20 215,541 10,107 332,079 64.9%
2026-08-19 234,894 1,532 371,429 63.2%
2026-08-18 1,033,842 5,790 1,331,744 77.6%
2026-08-17 282,523 113 406,451 69.5%
2026-08-14 115,185 149 190,758 60.4%
2026-08-13 107,467 826 170,198 63.1%
2026-08-12 119,212 3,055 206,860 57.6%
2026-08-11 169,376 3 267,880 63.2%
Showing 1–50 of 65 days
Key facts CIK 1680062 CUSIP 00108J109 13F (30d) 44 filings 43 filers Visit website Investor relations