One more "experiment" using the CCI. This indicator can calculate CCI of CCI of CCI of CCI ... up to "level" 25. When level 1 (one) is used, it is the same as "regular" CCI. After that, CCI of CCI is calculated and so on (each new step uses previous step...
from https://tradingrobots.net/recursive-cci-indicator-for-metatrader-5/