Short interest in Castle Biosciences Inc (NASDAQ:CSTL) increased during the last reporting period, rising from 1.71M to 1.84M. This put 6.87% of the company's publicly available shares short.

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

Based on the recent average volume of 289.45K shares traded per day, it would take 6.36 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.