Short interest in Mattel Inc (NASDAQ:MAT) increased during the last reporting period, rising from 13.39M to 13.88M. This put 7.8% of the company's publicly available shares short.

Based on the recent average volume of 4.32M shares traded per day, it would take 3.21 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.