The recommended inputs are : a length of 90 and a alpha of 50 for short period, a length of 140 or 200 and a alpha of 90 or 140 for medium period, and a length of 300 and a alpha of 90 for long terms.But feel free to experiment others configurations.
This moving average can be really interesting using it in collaboration with others indicators such another moving average
Hope you enjoy and have a good trades !
I apologize for orthographics or grammar error,i'm from japan and my english is really limited
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You can also check out some of the indicators I made for luxalgo : https://www.tradingview.com/u/LuxAlgo/#published-scripts