Short interest in MainStay MacKay DefinedTerm Municipal Opportunities Fund (NYSE:MMD) increased during the last reporting period, rising from 20.69K to 49.14K. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 136.35K 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.