In order to end a trade where someone is short, that trader must buy back stock. If a stock has a large amount of concentrated short interest, this process of buying back stock can result in the increase of the stock price as the order to buy is fills.
The Mission of ShortSqueeze.com is to provide stock market Short Interest data and services to the investment and stock trading community, so our members will become better informed of short interest in the stock market and gain from the advantages that can be achieved from this valuable market information.
"The possibility of a short squeeze is one reason some analysts look at a high amount of short interest as a bullish indicator. Short Interest is the fuel, performance is the fuse, says ShortSqueeze.com"
- USA Today
...short sellers, not financial results, are driving up Air T's share price. More than half the shares were sold short last month, according to ShortSqueeze.com"
"...according to ShortSqueeze.com. Any encouraging news from Martha Stewart Living could lead to a wave of short sellers trying to buy stock and limit their losses, pushing the price higher. "
- CNBC / MSN Money
A subscription to ShortSqueeze.com gives you access to a spreadsheet packed with data... interesting and useful..."