Short interest in SPDR S&P MidCap 400 ETF Trust (ARCA:MDY) decreased during the last reporting period, falling from 1.71M to 1.63M. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 1.08M shares traded per day, it would take 1.51 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.