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In MetaStock language, can we use the FOR() loop?
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Rank: Advanced Member
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Hi pepsi
The short answer is NO. The MetaStock Formula Language is a purely sequential language. The nearest you can get to a Loop/Branch/Jump is to use the PREV function. PREV simply means "the previous bar's value of this variable".
PREV is a resource-hungry function so should not be used lightly. Sadly there are times when there is no alternative to using it. On a brighter note, from time to time you'll come across code that uses PREV unnecessarily. The example below creates 3 variants a Heikin-Ashi OPEN, the lat two demonstrating that PREV is not needed.
{Heikin-Ashi OPEN}
HaClose:=(O+H+L+C) / 4;
HaOpen:=(Ref((O+H+L+C)/4,-1)+PREV) / 2;
HaOpen;
HaOpen:=Mov(Ref(HaClose,-1),3, E);
HaOpen;
HaOpen:=Wilders(Ref(HaClose,-1),2);
HaOpen;
Roy
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