Three variants of the same indicator. HMA is a basic one.
According to this
buffer[i]=iMA(NULL,0,MathFloor
(HMA_Period/2),0,MODE_LWMA,PRICE_CLOSE,i)*2-
iMA(NULL,0,HMA_Period,0,MODE_LWMA,PRICE_CLOSE,i);
one LWMA subtracts from the other.
That means it more like MACD,
I like bar coloring more.
Enjoy