Day Trading – Buy
In Day Trading profits can be made either way i.e. when the market is going up or down provided you start from the right position.
When a trader goes long, the aim is to sell the bought currency at a higher rate than what it was bought at.
If EUR/USD was traded and the trader went long then it means they bought EUR using USD. At the time of closing the trade, if the exchange rate rises they will be able to get more USD in return for selling EUR. That difference is their profit.