Short interest in Invesco Municipal Income Opportunities Trust (NYSE:OIA) increased during the last reporting period, rising from 81.40K to 81.81K. This put 0.17% of the company's publicly available shares short.

Based on the recent average volume of 124.75K 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.