Short interest in Vanguard S&P Mid-Cap 400 ETF (ARCA:IVOO) decreased during the last reporting period, falling from 215.17K to 64.47K. This put -% of the company's publicly available shares short.

Short interest for Vanguard S&P Mid-Cap 400 ETF gives investors a sense of the degree to which investors are betting on the decline of Vanguard S&P Mid-Cap 400 ETF's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 82.93K shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.