Short interest in Pharma-Bio Serv Corp (OOTC:PBSV) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.

Based on the recent average volume of 25.54K 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.