Short interest in ProShares Short MidCap400 (ARCA:MYY) decreased during the last reporting period, falling from 18.77K to 387.00. This put -% of the company's publicly available shares short.

Short interest for ProShares Short MidCap400 gives investors a sense of the degree to which investors are betting on the decline of ProShares Short MidCap400's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 11.50K 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.