Short interest in NYLIM MacKay Muni Insured ETF (ARCA:MMIN) increased during the last reporting period, rising from 72.47K to 266.08K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 254.54K shares traded per day, it would take 1.05 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.