Nasdaq short interest up about 3% in late September
QQQ•Nasdaq short interest rose 2.99% to about 18.657 billion shares as of September 30, from 18.117 billion shares on September 15, the exchange said.
1. Short interest rises
Short interest on the Nasdaq rose 2.99% in late September, reaching about 18.657 billion shares as of September 30, compared with 18.117 billion shares as of September 15.
2. How short selling works
Investors who sell securities short borrow and sell shares, expecting the stock to fall so they can buy the shares back at a lower price, return them to the lender and pocket the difference. Shorting can also be part of a hedging strategy.




