Short interest in Amtech Systems Inc (NASDAQ:ASYS) increased during the last reporting period, rising from 37.65K to 43.61K. This put 0.44% of the company's publicly available shares short.

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

Based on the recent average volume of 49.03K shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.