Short interest in Portfolio Building Block World Pharma and Biotech Index ETF (NASDAQ:PBPH) increased during the last reporting period, rising from 6.11K to 7.80K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 93.28K 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.