The Draw Trendlines check box is located beneath the Timeframe Options on the left side of the page. This feature allows you to Draw Trendlines
on the chart. First click on the Draw Trendlines check box; Next move your mouse over the chart where you would like to start the line. Click the left mouse button and hold while dragging to the position where you would like to stop the line. After you are in that position, release the mouse button and your line will appear. Repeat these steps to create another line. You can click on the clear link to remove the lines from the chart.