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Tomasz,
Can you please comment on this, from my earlier post?
I seem to have a workaround, after finding that I could
vary the trailing stop percentage with a variable:
(comments please !!)
=====================================================================
=====================================================================
SellSTOP=(ValueWhen(Buy,Ref(High,-1),N=1));
/* LOCK IN A FIXED STOP PRICE ON DAY OF ENTRY */
BuyPrice=Max(BuySTOP,Low);
SellPrice=Min(SellSTOP,High);
profit_percent=((100 * (High - BuyPrice)/BuyPrice) >= 10);
trail_stop_percent=IIf(profit_percent,3,100);
ApplyStop(2,1,trail_stop_percent,True,False);
/* IF PROFIT IS AT LEAST 10%, USE 3% TRAILING STOP, ELSE 100% */
Sell=Close < SellSTOP;
/* OTHERWISE USE ABSOLUTE STOP LOSS OF Inside Day High ON SETUP */
=====================================================================
=====================================================================
=====================================================================
=====================================================================
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Hello,
>
> ApplyStops can be either enabled or disabled.
> You can not change this bar-by-bar.
>
> Instead write a code that uses a loop as shown in the User's Guide
for profit target.
>
> /* a sample low-level implementation of Profit-target stop in AFL:
*/
> Buy = Cross( MACD(), Signal() );
>
> priceatbuy=0;
>
> for( i = 0; i < BarCount; i++ )
> {
> if( priceatbuy == 0 && Buy[ i ] )
> priceatbuy = BuyPrice[ i ];
>
> if( priceatbuy > 0 && SellPrice[ i ] > 1.1 * priceatbuy )
> {
> Sell[ i ] = 1;
> SellPrice[ i ] = 1.1 * priceatbuy;
> priceatbuy = 0;
> }
> else
> Sell[ i ] = 0;
> }
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "jwilsonp2a" <j1wilson@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Thursday, October 23, 2003 9:04 AM
> Subject: [amibroker] trailing stop question from new user
>
>
> >
> > Hi,
> >
> > I am trying to implement a two tiered stop loss, one part being
a
> > trailing stop, the other a fixed stop. I want a 3% trailing stop
if
> > I am at least 10% profitable, else I want a fixed stop loss
price.
> >
> > I thought I had it, but can't quite figure out how to utilize a
> > variable in the ApplyStop(2,x,3,true,false) command. It is
the "x" I
> > just showed that needs to be a 1 to enable, or a 0 to disable.
> >
> > Here is a portion of my code:
> >
> > ==================================================
> > .
> > .
> > .
> > BuyPrice = Max(BuySTOP,Low);
> > SellPrice = Min(SellSTOP,High);
> >
> > profit_ten_percent = (((High - BuyPrice)/BuyPrice) >= 0.10);
> > enable_stop = IIf(profit_ten_percent,1,0);
> >
> > ApplyStop(2,enable_stop,3,True,False);
> > Sell = Cross(SellPrice,Low);
> > ==================================================
> >
> > It's the "enable_stop" variable that fouls this up. Is this
strategy
> > even possible? I would greatly appreciate any help on this.
> >
> > Thank you, Jim
> >
> >
> >
> >
> > Send BUG REPORTS to bugs@xxxx
> > Send SUGGESTIONS to suggest@xxxx
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> > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
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> >
> >
> >
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