ACMR · ACM Research, Inc.

$74.42 -6.07 (-7.54%) At close · Aug 28

S&P 600 member Russell 2000 member Rebalance outlook locked

Market Cap

$5.18B

69.65M

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.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
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%
2026-08-10	327,844	93	550,879	59.5%
2026-08-07	337,961	0	564,621	59.9%
2026-08-06	179,726	0	380,532	47.2%
2026-08-05	123,969	0	277,249	44.7%
2026-08-04	140,502	250	264,471	53.1%
2026-08-03	177,870	990	337,478	52.7%
2026-07-31	149,152	40	289,418	51.5%
2026-07-30	362,249	13,167	590,707	61.3%
2026-07-29	398,430	20,398	856,522	46.5%
2026-07-28	217,207	5,587	448,557	48.4%
2026-07-27	146,705	4,089	430,560	34.1%
2026-07-24	116,720	95	199,458	58.5%
2026-07-23	115,515	82	237,298	48.7%
2026-07-22	131,287	682	250,495	52.4%
2026-07-21	238,885	279	402,215	59.4%
2026-07-20	126,640	1,882	268,736	47.1%
2026-07-17	213,201	1,912	398,897	53.4%
2026-07-16	154,530	16,682	424,292	36.4%
2026-07-15	166,287	5,377	586,384	28.4%
2026-07-14	176,128	0	265,482	66.3%
2026-07-13	118,101	25	262,858	44.9%
2026-07-10	212,617	0	380,059	55.9%
2026-07-09	270,039	0	470,640	57.4%
2026-07-08	298,972	89	382,922	78.1%
2026-07-07	414,710	103	677,396	61.2%
2026-07-06	323,561	4,957	556,055	58.2%
2026-07-02	482,843	24,267	1,201,683	40.2%
2026-07-01	384,556	1,781	775,228	49.6%
2026-06-30	380,514	1,934	760,327	50.0%
2026-06-29	417,190	8,999	1,026,579	40.6%
2026-06-26	291,977	507	512,040	57.0%
2026-06-25	375,533	4,571	706,609	53.1%
2026-06-24	369,269	2,430	655,939	56.3%
2026-06-23	328,805	1,537	590,410	55.7%
2026-06-22	352,037	1,115	767,612	45.9%
2026-06-18	330,302	5,897	756,054	43.7%

Showing 1–50 of 63 days

Key facts CIK 1680062 CUSIP 00108J109 13F (30d) 303 filings 297 filers Visit website Investor relations