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Barnes' Accelleration by Robert M. Barnes
The Barnes' Acceleration measures rate of price change as opposed to price levels.

If the Barnes' Acceleration sustains the value of -1 for many days then the security may be ready to show strong trend or it may already be trending.

Examine the chart for prolonged values at -1. This may indicate an upcoming stall or turnaround. The number of days needed may be different depending on the type of issue. A utility stock may need to sustain the -1 level for 10 days whereas a highly volatile technology stock may need to sustain the -1 trend for as little as 5 days.

From the 1981 Technical Commodity Yearbook, Robert M. Barnes

formula 1: if(mov(fml("Barnes' acceleration",2) - ref(fml("Barnes' acceleration",2),-1),20,e)>0.0001,1, if(mov(fml("Barnes' acceleration",2) - ref(fml("Barnes' acceleration",2),-1),20,e)<-0.0001,-1,0))

formula 2: mov((c-ref(c,-1))/ref(c,-1),daysm,e)

Barnes' Acceleration

DaysM:=Input("Enter periods:",2,100,14);

BA:=Mov( (C-Ref(C,-1) ) / Ref(C,-1), DaysM ,E);

If( Mov( ((BA - Ref( BA ,-1) ) ) ,20 ,E) > 0.0001 ,1,
If( Mov( ((BA - Ref( BA ,-1) ) ) ,20 ,E) < -0.0001 ,-1 ,0))


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