Short interest in ACS Actividades de Construccion y Servicios SA (OTC:ACSAY) increased during the last reporting period, rising from 19.99K to 36.53K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 152.22K 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.