Short interest in Fastly Inc (NYSE:FSLY) decreased during the last reporting period, falling from 12.36M to 11.84M. This put 9.02% of the company's publicly available shares short.

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

Based on the recent average volume of 2.15M shares traded per day, it would take 5.51 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.