Spread in Forex is difference between the bid and ask price. Brokers make money from spread and this is why you want as little spread as you can. Basically lower the spread better it is for you. This Spread Indicator will show you your broker Spread in the Upper Right (of course it is changeable in setting) corner of the MetaTrader 4 / MT4 terminal. Usual spreads are between 1 and 3 pips. If you are using sniping strategy you must know your spread and this Indicator will help you with that. You can set alert for specified spread surge as well.
Different Forex brokers have different spread so make sure you choose the right broker for the job. Please note that in event of major news Brokers spread increases so this Spread Indicator is essential for trading.