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It depends where you want to have it. If you use a detailed report,
you can add:
price = openpos.getprice(bar,"O");
bo.RawTextOutput("Open Price: " + price) ;
In general, bo.addcustommetric("O",price) should be used at the end
of the BT-process for 1 particular value of an array (usually
LastValue.
If your idea is to have each open reported for each of your open
trades (and I don't know the rest of your code), you could try to put
it this way, by changing it into:
price = openpos.getprice(bar,"O");
openpos.addcustommetric("O",price);
You need to use this BEFORE you call postprocess.
PS
--- In amibroker@xxxxxxxxxxxxxxx, "Bozwood" <bozwood@xxx> wrote:
>
> Ed,
>
> tried this last night and, for whatever reason, it didn't work. it
ran
> ok, but no "open" metric was added to the backtester/optimization
> report. any ideas? or, any advice on how you learned to program with
> the backtester interface?
>
> thanks,
>
> Jonathan
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Edward Pottasch" <empottasch@>
> wrote:
> >
> > try this:
> >
> > SetOption("UseCustomBacktestProc", True );
> >
> > if(Status("action")== actionPortfolio) {
> >
> > bo = GetBacktesterObject();
> > bo.PreProcess();
> >
> > for( bar = 0; bar < BarCount; bar++ ) {
> >
> > bo.processtradesignals(bar);
> >
> > for( openpos = bo.GetFirstOpenPos(); openpos; openpos =
> bo.GetNextOpenPos() ) {
> >
> > price = openpos.getprice(bar,"O");
> > bo.addcustommetric("O",price);
> >
> > }
> >
> > }
> > bo.PostProcess();
> >
> > }
> >
> > rgds, Ed
> >
> >
> > ----- Original Message -----
> > From: Bozwood
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Sunday, May 06, 2007 4:11 PM
> > Subject: [amibroker] backtester interface
> >
> >
> > I am attempting to gain access to the price bar in order to make
> > calculations using open, close, etc. This is just a simplified
example
> > where I am trying to access the open and add it to the
> > backtester/optimizer output. I am likely doing multiple things
wrong
> > with the code, but I am sure what. Any help would be
appreciated.
> >
> > if(Status("action")== actionPortfolio)
> > {
> > bo = GetBacktesterObject();
> > bo.preprocess();
> > for(bar=0; bar<BarCount; bar++)
> > {
> > bo.processtradesignals(bar);
> > for(pos= bo.getfirstopenpos(); pos; pos= bo.getnextopenpos())
> > {
> > price= pos.getprice(bar,"o");
> > bo.addcustommetric("O",price);
> > }
> > }
> > bo.postprocess();
> > }
> >
> > SetTradeDelays( 1, 1, 1, 1 );
> > PositionSize = MarginDeposit;
> >
> > BuyPrice= Open;
> > SellPrice= Open;
> >
> > Buy= Cross(Signal(), MACD());
> > Sell= Cross(MACD(), Signal());
> >
>
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