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this will get you the value on a chart
x = SelectedValue(DateNum());
--
Cheers
Graham
AB-Write >< Professional AFL Writing Service
Yes, I write AFL code to your requirements
http://e-wire.net.au/~eb_kavan/ab_write.htm
On 20/08/06, Terry <MagicTH@xxxxxxxxxxx> wrote:
>
> Here's some code.
>
>
>
> In the Title statement, the date of the first bar of data is x[0]
>
> Note that this requires the SetBarsRequired due to quickAFL. (This gets
> you the actual first date of the symbol data up to ~400 years ago for daily
> bars.)
>
>
>
> y is, in fact, the date for one year ago. You can see it in the chart
> title.
>
> z "should be" the one year ago price, actually it is now looking for how
> many bars since the date one year ago, but it does not work. Whenever I try
> to do a compare or a ValueWhen using DateNum(), BarIndex() or BarsSince() I
> get empty values for the result. If you find a way, note to use <= rather
> than == in case the date one year ago is a weekend or other non-trading
> date.
>
>
>
> *Any wizards out there that can solve this problem?*
>
>
>
> SetBarsRequired(100000,0);
>
> x = DateNum();
>
> y = x - 10000; //one year ago date
>
> z = BarsSince(DateNum() <= y);
>
> zC = Ref(*C*,-z);
>
>
>
> *Title* = "\nfirst date: " + NumToStr(x[0],1.0)
>
> + "\none year ago date: " + NumToStr(y,1.0)
>
> + "\none year ago price: " + NumToStr(zC,1.2)
>
> + "\ncurrent price: " + *C*;
>
> --
>
> Terry
>
>
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
> Behalf Of tipequity
> Sent: Saturday, August 19, 2006 17:50
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Newbie questins
>
>
>
> Thanks, Terry for quick response. I am looking for exact year ago.
>
> Any idea on the second question?
>
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@xxx> wrote:
>
> >
>
> > For approximate year ago date you can just use Ref(C,-252)
>
> >
>
> > For exact year ago date...sorry, I tried several things and can't
>
> make
>
> > it work either!
>
> > --
>
> > Terry
>
> >
>
> > -----Original Message-----
>
> > From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
>
> On
>
> > Behalf Of tipequity
>
> > Sent: Saturday, August 19, 2006 16:11
>
> > To: amibroker@xxxxxxxxxxxxxxx
>
> > Subject: [amibroker] Newbie questins
>
> >
>
> > 1. how can refer to a calendar year ago prices (end of the day), I
>
> > tried the following and it did not work:
>
> >
>
> > CloseAYearAgo = Ref(C,Year()-1);
>
> >
>
> > 2. how can I get the first date for which we have data (end of the
>
> day)
>
> >
>
> > thanks
>
> >
>
> > Cam
>
> >
>
> >
>
> >
>
> >
>
> >
>
> >
>
> > Please note that this group is for discussion between users only.
>
> >
>
> > To get support from AmiBroker please send an e-mail directly to
>
> > SUPPORT {at} amibroker.com
>
> >
>
> > For other support material please check also:
>
> > http://www.amibroker.com/support.html
>
> >
>
> >
>
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> >
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> Please note that this group is for discussion between users only.
>
>
>
> To get support from AmiBroker please send an e-mail directly to
>
> SUPPORT {at} amibroker.com
>
>
>
> For other support material please check also:
>
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>
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