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[amibroker] Re: Amazing backtest ==> Automatic/program trading



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Not sure about that... 
Will check after work...

Well, can you please list the things to set/watch/do for precise 
backtesting? I did not do much backtesting before.

Thanks.


--- In amibroker@xxxxxxxxxxxxxxx, "dingo" <dingo@xxxx> wrote:
> and the delay = 1?
>  
> d
> 
> 
>   _____  
> 
> From: Claud Hou [mailto:hclaud_98@x...] 
> Sent: Thursday, November 04, 2004 5:33 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Amazing backtest ==> Automatic/program 
trading
> 
> 
> 
> Actually the program is not mine. I just got it yesterday from this 
> board. I only did some simple parameter tuning. My own program does 
> not perform as good as this one. So I did not mention it.
> 
> Maybe there is some thing wrong with the way I ran backtests?
> 
> 1) Set all trading price at Open.
> 2) No stop loss.
> 3) No optimizations
> 
> here's the program:(you can run the same testing)
> ===================================================
> WildPer = Param("Wilder Time Periods", 9, 5, 100, 1 );
> 
> Value = Param("RSI value", 50, 1, 100, 0.1 );
> 
> Field = Param("Price Field (0-close, 1-high, 2-low)", 0, 0, 2, 1 );
> 
> Mode = Param("Mode (0-RSI, 1-ReverseRSI)", 1, 0, 1, 1 );
> 
> function RevRSI( value, array, periods )
> 
> {
> 
> AU = Wilders( Max( array - Ref( array, -1 ), 0 ), periods );
> 
> AD = Wilders( Max( Ref( array, -1 ) - array, 0 ), periods );
> 
> x = ( periods - 1 ) * ( AD * value / (100 - value) - AU);
> 
> return IIf( x >= 0, array+x, array + x * (100 - value)/value );
> 
> }
> 
> array = IIf( Field == 0, Close, IIf( Field == 1, High, Low ) );
> 
> aname = WriteIf( Field == 0, "Close", WriteIf( Field == 1, "High",
> "Low" ) );
> 
> if( Mode == 0 ) /* RSI */
> 
> {
> 
> Plot( RSIa( array, WildPer ), "RSI( " + aname + ", " + WildPer 
+ ")",
> colorRed );
> 
> }
> 
> else
> 
> {
> 
> Plot( array, aname, colorBlack );
> 
> Plot( RevRSI( value, array, WildPer ), "ReverseRSI( " + aname 
+ ", " +
> WildPer + ")", colorBlue, styleThick );
> 
> }
> 
> Buy=Cross( array, RevRSI( value, array, WildPer ));
> 
> Sell=Cross(RevRSI( value, array, WildPer ), array);
> 
> short = sell;
> cover = buy;
> 
> Buy=ExRem(Buy,Sell);
> 
> Sell=ExRem(Sell,Buy);
> 
> PlotShapes(Buy*shapeUpArrow,colorAqua);
> 
> PlotShapes(Sell*shapeDownArrow,colorYellow);
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "dingo" <dingo@xxxx> wrote:
> > well, I guess you'll just have to send me a copy privately so 
that 
> I can see
> > what's wrong.  8-)
> >  
> > Listen to your wife.  its in your signal detection.
> >  
> > d
> > 
> > 
> >   _____  
> > 
> > From: Claud Hou [mailto:hclaud_98@x...] 
> > Sent: Thursday, November 04, 2004 4:59 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Re: Amazing backtest ==> Automatic/program 
> trading
> > 
> > 
> > 
> > Indeed it is too good. My wife says I am dreaming. But that's 
what 
> > backtest reports. It's not me. It's the program.
> > 
> > As any trading system does, you always get a signal first.
> > So the program works like this (daily based):
> > 1) Detect a buy signal
> > 2) Buy at Open next day. (and/or cover)
> > .... hold till ...
> > 3) Detect a sell siganl
> > 4) Sell at open next day, immediately go short
> > 5) loops back to 1)
> > 
> > simple as that.
> > 
> > BTW, I don't like Porche GT. So don't worry about that. 
> > 
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "dingo" <dingo@xxxx> wrote:
> > > have you heard what "they" say when something sounds too good 
to 
> be 
> > true?
> > > Doesn't yours sound a little too good to be true?
> > >  
> > > Suggest you click the "Check" button in the AA window. If that 
> says 
> > you're
> > > ok then are you testing for high and low values using EOD data 
in 
> > your
> > > system for buying and selling?
> > >  
> > > I'd advise you not to get too excited just yet and certainly 
> don't 
> > go out
> > > and buy that Porche GT just yet.
> > >  
> > > d
> > > 
> > > 
> > >   _____  
> > > 
> > > From: Claud Hou [mailto:hclaud_98@x...] 
> > > Sent: Thursday, November 04, 2004 4:41 PM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: [amibroker] Amazing backtest ==> Automatic/program 
> trading
> > > 
> > > 
> > > 
> > > Last night I ran some backtests with some simple trading 
systems.
> > > The results are amazing:
> > > For example,
> > > In 3 years from 11/03/2001 to 11/03/2004, with 10K initial 
> account 
> > > value, you'll get 5.3M trading only YHOO. (long/short).
> > > The result will be even astonishing if you use margin and trade 
> > > options.
> > > 
> > > So come some questions:
> > > 1) How reliable are these backtest results? 
> > > 2) How's the progress for AB's feature of automatic trading 
with 
> IB?
> > > 3) Better yet, is there a broker that accepts a trading system 
> from 
> > > customer and does program trading?
> > > 
> > > Basically, open an account with 10K and let the program run 
every 
> > > trading day, then forget it. Three year later, you check your 
> > account 
> > > finding out you are a multi-millionaire. 
> > > How sweet is that? :-)
> > > 
> > > 
> > > 
> > > 
> > > 
> > > Check AmiBroker web page at:
> > > http://www.amibroker.com/
> > > 
> > > Check group FAQ at:
> > > http://groups.yahoo.com/group/amibroker/files/groupfaq.html 
> > > 
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