Short interest in Geron Corp (NASDAQ:GERN) decreased during the last reporting period, falling from 78.83M to 76.24M. This put 12.68% of the company's publicly available shares short.

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

Based on the recent average volume of 7.00M shares traded per day, it would take 10.89 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.