Short interest in SPDR S&P 400 Mid Cap Growth ETF (based on S&P MidCap 400 Growth Index--symbol: MUV) (ARCA:MDYG) increased during the last reporting period, rising from 115.52K to 120.98K. This put -% of the company's publicly available shares short.

Short interest for SPDR S&P 400 Mid Cap Growth ETF (based on S&P MidCap 400 Growth Index--symbol: MUV) gives investors a sense of the degree to which investors are betting on the decline of SPDR S&P 400 Mid Cap Growth ETF (based on S&P MidCap 400 Growth Index--symbol: MUV)'s stock. Short interest data is updated every two weeks.

Based on the recent average volume of 92.30K shares traded per day, it would take 1.31 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.