What do you mean by short positions? Going long means going long, which can also be called bullish, buying a certain currency, and being bullish. In foreign exchange trading and stock trading markets, the word "long and short" is very common. Short selling refers to selling positions, which can also be called short selling, selling a certain currency, and short selling. Some people call it as empty as empty. Going long means buying up, earning if it goes up, buying if it goes down, earning if it goes down, selling if it goes long, and buying if it goes short.