Ainos Short Interest Drops Significantly Amid February Trading Ainos, Inc. (NASDAQ:AIMD) experienced a 49.4% reduction in short interest in February, falling to 237,400 shares from 469,400 earlier in the month. With an average daily trading volume of 630,500 shares, the days-to-cover ratio now stands at 0.4 days. This marks a notable shift in investor sentiment.1