Short interest in Aspen Aerogels Inc (NYSE:ASPN) decreased during the last reporting period, falling from 8.52M to 8.51M. This put 13.9% of the company's publicly available shares short.

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

Based on the recent average volume of 3.45M shares traded per day, it would take 2.47 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.