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Thanks all, but I don't need to select Wednesdays. I
need that code to verify some trading systems. It's
also good to select full moon days (28 days)!
How can I do this?
--- Graham <kavemanperth@xxxxxxxxx> wrote:
> you will find that some line plots will not exist if
> the particular
> day is not traded.
> 21 days is 3 weeks, so perhaps you want to select
> every third Wednesdays
> however if a wednesday is not traded then the
> following wdnesday will
> be used, so maybe this no good, but something to
> begin with
> plot( (cum( dayofweek()==3 ))%3==0, "", colorred,
> stylehistogram|styleownscale, 0.1, 1 );
>
> AB is really set up for trading days, not calender
> days.
>
> you could do it, but it gets a bit more complex and
> you would be using
> dayofyear() and then needing to organise the
> counting around the end
> to beginning of next year. You will then even if you
> got the counting
> right you will still have the problem of no line
> drawn if that day21
> is not trading day.
>
> On 9/5/05, Terry <MagicTH@xxxxxxxxxxx> wrote:
> > Right, holidays are a problem since they don't
> show up in AB.
> > Maybe you could track every third Wednesday (or
> whatever dayofweek your
> > date is) by using DAYOFWEEK.
> >
> > I do have some code that tracks holidays and find
> options expiration
> > day. You have to maintain the holiday list, but
> that's fairly easy to do
> > once a year.
> > --
> > Terry
> >
> > | -----Original Message-----
> > | From: amibroker@xxxxxxxxxxxxxxx
> [mailto:amibroker@xxxxxxxxxxxxxxx] On
> > | Behalf Of bilbod
> > | Sent: Sunday, September 04, 2005 12:49
> > | To: amibroker@xxxxxxxxxxxxxxx
> > | Subject: Re: [amibroker] Date
> > |
> > | Terry wrote:
> > |
> > | > Since you're guaranteed to have exactly 6
> weekend days every 21
> > | calendar
> > | > days just change the %21 to %15 (21 - 6)
> > | > --
> > |
> > | What about holidays?
> > |
> > | It would be nice if AB let you have the option
> of using colander days
> > | or
> > | trading days.
> > |
> > | Bill
> > |
> > |
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> >
> > To get support from AmiBroker please send an
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> --
> 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
>
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