[amibroker] Re: price at a certain date

["Ron Rowland" <rowland@xxxxxxxx>]

I see a couple of problems:
1) 6/10/07 was not a market day.  Try 6/8/07 or a day that the market 
was open.
2) Your StartDate is not in a format that your DateNum() == StartDate 
will ever match up with.  Removing the DateTimeConvert portion of the 
statment should help because ParamDate will return it in DateNum format.
3) StartPrice is an array with only one bar set to something other than 
zero (assuming 2nd statement was working), so you will need to 
reference that bar within the array.

--- In amibroker@xxxxxxxxxxxxxxx, "huandy631" <hugh.andersen@xxx> wrote:
>
> hi
> 
> I need to find out the return of a group of stocks over a certain 
> period. The code below to find out the price at a certain date 
doesn't 
> seem to work.
> 
> StartDate=DateTimeConvert(0,ParamDate("Start date","2007-06-
> 10"));                       
> StartPrice=IIf(DateNum()==StartDate,ValueWhen(StartDate,Close),0);
> 
> Is this the right method?
> 
> thanks
> 
> Hugh
>




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