Short interest in Armstrong World Industries Inc (NYSE:AWI) increased during the last reporting period, rising from 480.78K to 540.50K. This put 1.98% of the company's publicly available shares short.

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

Based on the recent average volume of 190.51K shares traded per day, it would take 2.84 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.