Add it to your 15 Min chart - This is important! The other time resolutions are 1H, 2H and 4H.
It is highly flexible, except for the current resolution, the other ones can be changed.
The lookback periods for all timeframes are set to 14 - but can be changed.
3 levels of overbought (70, 80 and 90) and oversold (30, 20 and 10) are defined and highlighted.
Also, when any of the series goes into overbought or oversold, they change colour: teal for oversold and fuchsia for overbought.
Tip if you find it useful: https://bit.ly/2VJHOQT
It should therefore used on a 15Min chart.
Also, simplified the overbought and oversold areas, kept it simple at 30 and 70 and added a midline to ease the visual interpretation.