Short interest in Defiance Daily Target 2X Long MRNA ETF (ARCA:MRNX) decreased during the last reporting period, falling from 78.24K to 55.40K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 302.17K 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.