Short interest in Gritstone Bio Inc (OTC:GRTSQ) decreased during the last reporting period, falling from 9.87M to 3.19M. This put 2.76% of the company's publicly available shares short.

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

Based on the recent average volume of 25.59M 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.