What is shorting a stock? 1. Shorting a stock mean when a trader thinks that a particular stock be Tesla Inc will fall today and the trader is bearish on it then he will first sell the stock at a particular price. Eg- at 233.99 usd 2. Then buy it on a low price eg - at 223.07 usd 3. Here the profit will be = Selling Price - Buying Price = 233.99$ - 223.07$ = 10.92 $ Note - We call sell the stock in intraday even when we don't own it that is what we call it shorting a stock .