ACMR · ACM Research, Inc. · Short Volume
$54.96
-1.13 (-2.01%)
At close · Oct 20
Return incl. dividend (before tax)
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