MetaStock -> Tools -> Indicator Builder -> New
Copy and paste formula below.


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Calendar Weekday of Month
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{ Calendar-absolute, Weekday-of-Month signals }
{ Plot on separate window below chart }
{ ©Copyright 2004 Jose Silva }
{ http://www.metastocktools.com }

dayChosen:=Input("day:  [1]Mon,  [2]Tue,  [3]Wed,  [4]Thu,  [5]Fri",1,7,5);
weekChosen:=Input("[1]st  [2]nd  [3]rd  [4]th  [5]th  week in month",1,5,1);
plot:=Input("plot:  [1]Weekday signals,  [2]Weekday count",1,2,1);

day:=DayOfWeek()=dayChosen;
d:=DayOfMonth();
signalCount:=
 If(day AND d<=7,1,
 If(day AND d>7 AND d<=14,2,
 If(day AND d>14 AND d<=21,3,
 If(day AND d>21 AND d<=28,4,
 If(day AND d>28,5,0)))));
signal:=weekChosen=signalCount;

If(plot=1,signal,signalCount)

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