The Demarker Trendline Indicator is a useful forex indicator that is compatible with the popular MT4 trading platform. This indicator is free to use and helps traders identify trends in the forex market with ease. The indicator works by plotting trendlines based on the Demarker indicator, which measures the demand for currency pairs. When the trendlines are sloping upwards, it indicates a bullish trend, while downwards sloping trendlines indicate a bearish trend. Traders can use these trendlines to make informed decisions on when to enter or exit a trade. To use the Demarker Trendline Indicator, simply add it to your MT4 chart and adjust the settings to your preference. The indicator will automatically plot the trendlines for you, making it easy to visually see the direction of the market. This can help traders make more accurate trading decisions and maximize their profits.