[amibroker] CBI: bo.InitialEquity to set value not working?

["markhoff" <markhoff@xxxxxx>]

Hi,

I wonder if the CBI property bo.InitialEquity cannot be used to set
the initial equity. At least for me it does not work and I must use
the SetOption("InitialEquity", ...) command, although the
documentation does not say that the bo.InitialEquity is read-only.

Please see the code below:

--- cut ---

defaultPosSize = 1000;

InitialEquity = 123456;

Buy = Sell = Short = Cover = 0;

SetOption("UseCustomBacktestProc", True);

//SetOption("InitialEquity", InitialEquity);

SetCustomBacktestProc(""); 

// the trading rules
TwentyBarHHV = Ref(HHV(High, 20), -1);
Buy = High > TwentyBarHHV;
Sell = Ref(Buy, -10);
// cleanup excessive signals
Buy = ExRem( Buy, Sell );
Sell = ExRem( Sell, Buy );

if( Status("action") == actionPortfolio )
{
	bo = GetBacktesterObject();

	_TRACE("# bo.InitialEquity (default) = " + bo.InitialEquity);
	_TRACE("# bo.Equity (default) = " + bo.Equity);

	bo.InitialEquity = InitialEquity;

	_TRACE("# bo.InitialEquity (updated) = " + bo.InitialEquity);
	_TRACE("# bo.Equity (updated) = " + bo.Equity);

	bo.PreProcess();

	_TRACE("# bo.InitialEquity (after bo.PreProcess) = " + bo.InitialEquity);
	_TRACE("# bo.Equity (after bo.PreProcess) = " + bo.Equity);

	for( bar = 0; bar < BarCount; bar++ )
	{
		for( sig = bo.GetFirstSignal( bar ); sig; sig = bo.GetNextSignal(
bar ) )
		{
			// cash and equity are only correct if SetOption() is used to set
InitialEquity
			_TRACE("# " + sig.Symbol + " : Cash = " + bo.Cash);
			_TRACE("# " + sig.Symbol + " : Equity = " + bo.Equity);

			if(sig.IsEntry())
			{
				sig.PosSize = defaultPosSize ;
			}
		}
		bo.ProcessTradeSignals( bar );
	}
	bo.PostProcess();
}

--- cut ---

Do you have any idea why bo.InitialEquity cannot be used to write a value?

Thanks in advance and best regards,
Markus



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