Short interest in NPK International Inc (NYSE:NPKI) increased during the last reporting period, rising from 1.60M to 1.74M. This put 2.09% of the company's publicly available shares short.

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

Based on the recent average volume of 577.17K shares traded per day, it would take 3.02 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.