Short interest in Environmental Tectonics Corp (OTC:ETCC) increased during the last reporting period, rising from 7.61K to 16.04K. This put 0.33% of the company's publicly available shares short.

Short interest for Environmental Tectonics gives investors a sense of the degree to which investors are betting on the decline of Environmental Tectonics's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 36.35K 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.