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Dave is right on. Just use two different stops, and when you don't want to use one of the two change the stop amount to something that will never trigger. LastValue() also literally takes the lastvalue of the array and populates that value back in time which, to Dave's point, does not make it dynamic.
Regards,
GaryDave Merrill <dmerrill@xxxxxxx> wrote:
Sorry, I'm not trying any of this, which probably means I'm wrong... It seems to me that if Gary's right about needing to use LastValue on the stopType ApplyStop parameter, that says it can't change over time. Check out the help for LastValue. You'll see that it returns the single last value in an array, so your stop is always one type or the other; it doesn't change dynamically.
If I'm right about that, you'd need two different stops, one a stop loss and one a trailing stop, whose parameters you'd change to make one effectively the active one.
Dave
I changed the volitility parameter to "True." But when I do an exploration I see the same thing ... when the price drops below 30 pips of profit it reverts to the 50 pip stop loss (within a single trade). James--- In amibroker@xxxxxxxxxxxxxxx, "Dave Merrill" <dmerrill@xxxx> wrote:> check your parameters for ApplyStop! look at Volatile (this is straight out> of the help; put your cursor somewhere within the word ApplyStop and press> F1 to see it):> > ApplyStop( type, mode, amount, exitatstop, volatile = False )> volatile -> decides if amount (or distance) (3rd parameter) is sampled at the trade> entry and remains fixed during the trade (Volatile = FALSE - old behaviour)> or if can vary during the trade (Volatile = TRUE) (allows single line> Chandelier exit
implementation)> > dave> > Getting closer and closer ...> > Gary: I used the lastvalue function as you suggested and it> eliminated the "bad argument" error. Thanks!> > Dave: You were right that I wasn't using "Buyprice" correctly. I was> able to get what I wanted by making a new variable "priceatbuy."> Thanks!> > And I tweaked a couple of other things. But now I have another> problem I'm trying to work through. To restate what I'm trying to> do ... I want a 50 pip stoploss, but once I have 30 pips of> profit I want to switch to a 20 pip trailing stop. Here is the code> in it's current state:> > Buy = Cross(EMA(Close,12),EMA(Close,26));> Short =
Cross(EMA(Close,26),EMA(Close,12));> Sell = Short;> Cover = Buy;> PositionSize=100000;> priceatbuy=ValueWhen(Buy,BuyPrice,1);> Var1=IIf(High>=(priceatbuy+0.003),2,0);> Var2=IIf(High>=(priceatbuy+0.003),0.002,0.005);> ApplyStop(LastValue(Var1),2,Var2,True,False);> > My problem is that the trailing stop doesn't stick. If the profit> for a trade goes back below 30 pips it reverts to the 50 pip stop> loss. What I want to backtest is that the trailing stop (once> triggered) remains throughout that particular trade. Then the next> trade starts with the 50 pip simple stop loss. Any ideas?> > All help is truly appreciated!> > JamesSend BUG REPORTS to bugs@xxxxxxxxxxxxxSend SUGGESTIONS to suggest@xxxxxxxxxxxxx-----------------------------------------Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx (Web page: http://groups.yahoo.com/group/amiquote/messages/)--------------------------------------------Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
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