Short interest in Mfs High Yield Municipal Trust (NYSE:CMU) increased during the last reporting period, rising from 70.36K to 162.79K. This put -% of the company's publicly available shares short.

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

Based on the recent average volume of 49.85K shares traded per day, it would take 3.27 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.