This index is compiled according to the revision of MT4, and can be used as a reference signal when the column changes between colors.
The top and bottom area of index can be judged.
Parameter self adjustment
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.