In short selling, the seller does not own the stock, but borrows it and sells it, expecting that its value will decrease, when he or she can buy it back at a lower price and keep the difference.
Kod kratkoročne prodaje prodavac ne poseduje svoje akcije, nego ih pozajmljuje i prodaje očekujući da će njihova vrednost padati, pa onda može ponovo da ih otkupi po nižoj ceni i zadrži razliku.