Short interest in ACM Research Inc (NASDAQ:ACMR) decreased during the last reporting period, falling from 4.95M to 4.55M. This put 9.8% of the company's publicly available shares short.

Short interest for ACM Research gives investors a sense of the degree to which investors are betting on the decline of ACM Research's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 1.02M shares traded per day, it would take 4.48 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.