This indicator will plot the weekly opening gap on the chart. The gap will be carried forward until it is closed or the max line count is reached. Additionally the 1/4 levels inside the gap are plotted on the chart as weekly gaps can be large.
The weekly opening gap levels can act as targets and rejection points.
Optionally the script can also carry forward the top and bottom lines of the weekly opening gap for up to the 10 prior gaps. These lines are not removed when the gap is closed.