Momentum RSI Indicator - Amibroker AFL Code

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Title = "Bernstein MOM Close - Ref(Close,-7)"; 
GraphXSpace = 5;
Graph0 = MA(Close - Ref(Close,-7),1); 
Graph0Style = 5; 
Graph0Color = 34;
Graph1 = MA(Graph0,5);
Graph1Style = 1;  
Graph1Color = 32;