Short interest is the number of shares that have been sold short but have not yet been covered or closed out. Short selling is when a trader sells shares of a company they do not own, with the hope ...

Investors shorting the meme stock AMC Entertainment are estimated to have lost $1.23 billion over the last week as the shares rallied more than 116% since Monday, according to data from S3 Partners.

For Russell 1,000 stocks, the average stock has 5% of float sold short (median: 3.5%). On an industry level, auto stocks continue to see elevated levels of short interest, largely due to the presence ...