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hi,
I have one additional question (for now ...). I have this simple
trading system (see below). I buy at the open. If I would like to
sell the same day at the close if it exceeds the threshold of in this
case 4% how do I program that. Now it only starts finding sell
signals the day after the purchase.
thanks, Ed
// ------------------------------------------------------------------
// make a simple trading system
Buy = Cross(RSI(),30);
// buy the next day at the open
// use Ref(Buy -1) because the Ref function returns a value
// so the "1" numbers inside the Buy array are moved forward this way.
Buy = Ref(Buy, -1);
// define the BuyPrice
BuyPrice = ValueWhen( Buy, Open);
SellCond1 = C > BuyPrice * 1.04;
SellCond2 = C < BuyPrice * 0.96;
SellCond3 = Cross( BarsSince(Buy), 5 );
Sell = SellCond1 OR SellCond2 OR SellCond3;
SellPrice = (SellCond1 * C);
SellPrice = SellPrice + (SellCond2 * C);
SellPrice = SellPrice + (SellCond3 * C);
Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);
// ------------------------------------------------------------------
--- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> Ed, you should not need to do loops for this, just set the
conditions you
> want.
> Is this close to what you were wanting?
>
> SetTradeDelays( 0, 0, 0, 0 );
> Buy = YourBuyCondition;
> Buy = Exrem( Buy, Sell );
> SellCond1 = Cross( C, Valuewhen( Buy, C) * 1.02 );
> SellCond2 = Cross( Valuewhen( Buy, C) * 0.96, C );
> SellCond3 = Cross( Barssince(buy), 5 );
> Sell = SellCond1 OR SellCond2 OR SellCond3 ;
> SellPrice = C;
>
>
> Cheers,
> Graham
> http://groups.msn.com/ASXShareTrading
> http://groups.msn.com/FMSAustralia
>
>
> -----Original Message-----
> From: ed2000nl [mailto:pablito@x...]
> Sent: Monday, 29 September 2003 4:45 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] help with trading system
>
>
> hi,
>
> I need some basic help with trading systems. I am so used to an
other
> programming language and can't seem to find out how to fully
utilise
> AB in similar ways.
>
> as an example I want to find out how to program a simple system
>
> 1) say I got my "buy" array defined.
>
> 2) now I want to sell in the following days at the close whenever
the
> price has increased by 2% or more.
>
> 3) I sell with a loss at the close whenever the price decreases by
4%
> or more.
>
> 4) and I sell at the close price when the number of trading days
> exceeds 5 and the stock is still in possesion.
>
> How could I use AFL in the best way. Do I need to use loopings?
>
> thanks in advance,
>
> Ed
>
>
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