There are two types of indices trend-lines - upward indices trend-line & downwards indices trend line. Procedure of how to draw indices trendlines for upwards indices trend & how to draw indices trend-lines for downward indices trend is described below:
How to Draw Stock Indices Trendline for Swing Trading
To draw an upwards indices trend-line we use support zones. To plot upward indices trend line correctly two support areas are used as displayed on the upwards trend line example explained and illustrated below - How to Draw a Trend Line for Swing Trading.

How to Draw Trend-Lines for Swing Trading on Stock Indices Charts - How to Draw Upward Indices Trend Line
How to Draw Stock Indices Trendline for Swing Trading
To draw downwards indices trend line we use resistance zones & to draw downward indices trend line correctly two resistance areas are used as illustrated on the downwards indices trend line example explained and illustrated below - How to Draw a Trend Line for Swing Trading.

How to Draw Trend-Lines on Stock Indices Charts - How to Draw Indices Downwards Trend-Line
How to Draw Trend Lines for Swing Trading
To draw Indices Trend Lines for Swing Trading on MT4 Stock Indices Charts use MT4 Charts Drawing Tools for Drawing Indices Trend-Lines in MT4 Stock Indices Charts
The MetaTrader 4 indices trend line plotting tools used to plot indices trend-lines in MT4 are located on the MT4 drawing charts toolbar within the MetaTrader 4 platform, To get this MetaTrader 4 charts drawing tools toolbar if it is not activated on your MT4 software, Click in 'View' Next to 'File' menu at the tops left corner of the MetaTrader 4 software and click 'View', Then Click on "Indices Tool bars", Then Check the "Indices Lines Toolbar" by clicking on it - Stock Indices MetaTrader 4 Draw Indices Trend Line Tools for Swing Trading - Stock Indices MetaTrader 4 Trend Line Drawing Tools.
Shown Below is example of MT4 indices trend-line drawing charts indices toolbar. To draw indices trendlines on a indices chart click this indices trend line plotting tool and select point where you want to plot the upward trend line or downwards indices trend line.

How to Draw Indices Trend Lines for Swing - How to Draw Trend-Line for Swing Trading for Swing Indices Trading
