Short interest in Aptose Biosciences Inc (OTC:APTOF) increased during the last reporting period, rising from 5.87K to 7.56K. This put 0.38% of the company's publicly available shares short.

Based on the recent average volume of 15.25K 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.