Darvas Boxes Indicator is a useful and popular free Forex indicator for MT4. It is based on the trading strategy of Nicolas Darvas, who was a famous stock trader in the 1950s. The indicator works by drawing boxes around price bars that meet certain criteria. If the price breaks out of the box, it is considered a buy or sell signal. The indicator is easy to use and provides reliable signals which can be used to make profitable trades. Darvas Boxes Indicator is a great tool for traders who want to take advantage of price movements in the Forex market.