You can also use this with WaveTrand to confirm the sell or buy point. When WT line is over center line and CMO has crossed over it's signal line. It is a buy point. The opposite applies if WT line is under the center line and CMO is under its signal line.
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.