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today's open price is O
yesterday's open price is ref(O,-1)
Change = O - ref(O,-1);
On Wed, 02 Feb 2005 22:59:52 -0000, mikelaurataylor
<mikelaurataylor@xxxxxxxxx> wrote:
>
>
> I'm trying to set a condition on a chart that I'll be tracking
> minute by minute and only want this to occur if todays opening price
> (9:30am) is 3% more than yesterday's close (4pm).
>
> I have backfilled data from 1/3/05.
>
> When I test this with a date range of one day (1/25) and say:
>
> openprice = 0pen [0]
>
> I don't get the price from 1/25 I get the price from 1/3.
>
> On an ongoing basis how can I ask the system for todays opening
> price and yesterdays closing price?
>
> Thanks so much.
>
> Mike
>
>
> Check AmiBroker web page at:
> http://www.amibroker.com/
>
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> Yahoo! Groups Links
>
>
>
>
>
--
Cheers
Graham
http://e-wire.net.au/~eb_kavan/
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