The Gann Fan consists of a series of angular lines. It can be used to identify support and resistance levels in trading. If you want to plot the Gann Fan on an MT4 chart, you can read the step-by-step guide below.

Step 1: Click "Insert" in the MT4 menu bar.

Step 2: Click "Gann" - "Gann Fan" in the drop-down menu. Then use your mouse to draw the Gann Fan on the chart.