[amibroker] Re: Equity(1) modifies sell price ignoring ceil

["only_accept_the_real_thing" <olivermannion@xxxxxxxxx>]

Thankyou Tomasz, that explains it!

Also thankyou for creating an outstanding product, with an unparalleled support group. I will be purchasing a key soon, after deciding whether to go with Professional or Standard. 

BTW: which of the following Professional features are available with Interactive Brokers? (it wasn't quite clear from the order webpage)

Tick charts/backtesting/scanning
5-second, 15-second bar charts/backtesting/scanning	
Streaming real time quote display	
Automatically updating real time charts

--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> Hello,
> 
> ceil may be higher than high, that's why.
> 
> Please read the manual
> http://www.amibroker.com/guide/h_backtest.html
> 
> Quote:
> "During back-testing AmiBroker will check if the values you assigned to buyprice, sellprice, shortprice, coverprice fit into 
> high-low range of given bar. If not, AmiBroker will adjust it to high price (if price array value is higher than high) or to the low 
> price (if price array value is lower than low)"
> 
> You can turn that behaviour off using
> http://www.amibroker.com/f?setoption
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message ----- 
> From: "only_accept_the_real_thing" <olivermannion@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Monday, June 08, 2009 11:12 AM
> Subject: [amibroker] Equity(1) modifies sell price ignoring ceil
> 
> 
> > Hi,
> >
> > Running the code below on price data that includes decimals, the SellPrice used is the Close price (with decimals) rather than the 
> > ceil price.
> >
> > If SellPrice is changed to round(C) it is correctly rounded, so why doesn't ceil(C) work??
> >
> >
> > NB: Remove Equity(1) and the SellPrice is correctly ceil(C).
> >
> >
> > ------
> > BuyPrice = Open;
> > SellPrice = ceil(C);
> >
> > Equity(1);
> >
> > // Extra columns to display in Exploration
> > Filter=1;
> > AddColumn(Open,"Open");
> > AddColumn(High,"High");
> > AddColumn(Low,"Low");
> > AddColumn(Close,"Close");
> > AddColumn(BuyPrice,"BuyPrice");
> > AddColumn(SellPrice,"SellPrice");
> >
> >
> >
> >
> >
> > ------------------------------------
> >
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------------------------------------

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