Short interest in Greenbrook TMS Inc (OTC:GBNHF) increased during the last reporting period, rising from 39.83K to 153.01K. This put 0.11% of the company's publicly available shares short.

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

Based on the recent average volume of 90.52K shares traded per day, it would take 1.69 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.