Short interest in Vanguard S&P Mid-Cap 400 ETF (ARCA:IVOO) decreased during the last reporting period, falling from 107.51K to 95.01K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 68.10K shares traded per day, it would take 1.4 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.