The SM Buy Sell Pressure Indicator is a popular and free Forex indicator for MT4 that can be extremely useful for traders. This indicator measures the buying and selling pressure of a currency pair and displays the results in a single histogram. The indicator can be used to identify overbought and oversold conditions, as well as divergences. It also shows the strength of the trend, allowing traders to make better trading decisions. With its simple yet powerful features, the SM Buy Sell Pressure Indicator is an excellent choice for traders looking to gain an edge in the Forex market.