Short interest in Comcast Corp (NASDAQ:CMCSA) increased during the last reporting period, rising from 75.96M to 86.77M. This put 2.74% of the company's publicly available shares short.

Based on the recent average volume of 34.46M shares traded per day, it would take 2.52 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.