Short interest in Arch Biopartners Inc (OTC:ACHFF) increased during the last reporting period, rising from 2.30K to 16.50K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 71.32K 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.