Short interest in West Pharmaceutical Services Inc (NYSE:WST) increased during the last reporting period, rising from 1.22M to 1.23M. This put 2.21% of the company's publicly available shares short.

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

Based on the recent average volume of 758.67K shares traded per day, it would take 1.62 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.