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Hi Roy,
I would like to say that definitely you are a very modest person. Yours
indicators work perfectly and they are exactly the same with four
decimals !!!
You are a true Metastock EXPERT !!!!!!
It is always a plesaure to read your messages in this list.
Best regards,
Karile
Roy Larsen wrote:
>Karile
>
>
>
>
>>Hi Roy,
>>
>>For my explorations (daily timeframe), I would like to use a weekly
>>moving average (20, simple, close).
>>
>>Is it possible to do it with Metastock ?
>>
>>Thanks for your help,
>>
>>Karile
>>
>>
>
>Yes it's easily enough done. The following SMA is quite accurate but not perfect. The method I'm
>using is prone to what I think are "single digit precision" errors. This can mean that an integer
>result might plot fractionally off (24.00 may plot as 23.999999). I have in mind a different method
>of constructing the indicator but haven't got it to the top of my "to do" list yet.
>
>This code can operate in "dynamic current week" mode. Using this will simulate the current bar of a
>weekly periodicy chart but you must remember that this is a dynamic value and will probably change
>with Tuesday, Wednesday, Thursday and Friday daily data. Keep this in mind if using it with an
>exploration during the week. By all means test it to verify that it is giving accurate values.
>Testing can't be done properly on a weekly chart because missing Friday's cause the indicator to
>miss a complete bar of data. This problem is fully take care of with daily charts and the weekly
>values (on daily charts) will not be affected (other than the data sample being taken one bar later
>than ideal) by holidays and the like.
>
>A weekly EMA is shown for good measure.
>
>Roy
>
> {Weekly SMA - Close}
> {© 2003 Roy Larsen}
> {rlarsen@xxxxxxxxxxxxxx}
> {use on daily charts}
>D:=Input("Periods in Weeks",1,999,20);
>Q:=Input("Dynamic Current Week?",0,1,0);
> {0=Update when end of current week is known}
> {1=MS compatible dynamic current week}
>M:=DayOfWeek()<=ValueWhen(2,1,DayOfWeek());
>F:=DayOfWeek()=5;
>A:=LastValue(Cum(1)-1)=Cum(1);
>B:=LastValue(Cum(1))=Cum(1);
>J:=If(F,1,If(Alert(F,2)= 0 AND M,2,0));
>J:=If(A+LastValue(J)>2 OR B+Q>1,1,(B=0)*J);
>K:=ValueWhen(1,J,If(J=1,C,ValueWhen(2,1,C)));
>G:=Cum((J>0)*K);
>X:=(G-ValueWhen(D+1,J,G))/D;
>X;
>
> {Weekly EMA - Close}
> {© 2003 Roy Larsen}
> {rlarsen@xxxxxxxxxxxxxx}
> {use on daily charts}
>D:=Input("Periods in Weeks",1,999,20);
>D:=2/(1+D);
>Q:=Input("Dynamic Current Week?",0,1,0);
> {0=Update when end of current week is known}
> {1=MS compatible dynamic current week}
>M:=DayOfWeek()<=ValueWhen(2,1,DayOfWeek());
>F:=DayOfWeek()=5;
>A:=LastValue(Cum(1)-1)=Cum(1);
>B:=LastValue(Cum(1))=Cum(1);
>J:=If(F,1,If(Alert(F,2)=0 AND M,2,0));
>J:=If(A+LastValue(J)>2 OR B+Q>1,1,(B=0)*J);
>K:=ValueWhen(1,J,If(J=1,C,ValueWhen(2,1,C)));
>X:=If(Cum(J>0)=1,K,ValueWhen(1,J,PREV)*(1-D)+K*D);
>X;
>
>
>
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