Thirds

Thirds are retracements drawn at 33% and 66% of a distance between two points:

To draw Thirds, display the Fibonacci Options dialog and set the Predefined field to 1/3rds. Then, follow these steps:

Select a trend line.
Click , or choose Fibonacci from the Trend Line Functions menu.
Left Click on a significant price.

Retracements are drawn between the selected trend line and the significant price.