Short interest in Innovator U.S. Equity Ultra Buffer ETF - May (BATS:UMAY) increased during the last reporting period, rising from 571.00 to 3.62K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 3.79K 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.