Short interest in Pfizer Inc (NYSE:PFE) increased during the last reporting period, rising from 61.73M to 65.38M. This put 1.15% of the company's publicly available shares short.

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

Based on the recent average volume of 24.16M shares traded per day, it would take 2.71 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.