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optimisation / Parameters #425854
07/11/13 17:07
07/11/13 17:07
Joined: Apr 2013
Posts: 107
UK
G
Geek Offline OP
Member
Geek  Offline OP
Member
G

Joined: Apr 2013
Posts: 107
UK
Say i run an optimisation for the below:

Quote:
Stop = optimize(5,2,8) * ATR(6);


And then I run a backtest with Zorro using the .PAR file....

If I was then to change the
Quote:
ATR(6);
to say
Quote:
ATR(3);


And then backtest again and my results were better using the ATR(3); is it ok to do this or would you not recommend it? Would using the lesser time period for ATR also tighten up the stop?

Re: optimisation / Parameters [Re: Geek] #425878
07/12/13 08:06
07/12/13 08:06
Joined: Jul 2000
Posts: 28,022
Frankfurt
jcl Offline

Chief Engineer
jcl  Offline

Chief Engineer

Joined: Jul 2000
Posts: 28,022
Frankfurt
Yes, it tightens the stop. After changing the ATR period, you must do the optimization again. Otherwise it's curve fitting.

Re: optimisation / Parameters [Re: jcl] #425886
07/12/13 09:24
07/12/13 09:24
Joined: Apr 2013
Posts: 107
UK
G
Geek Offline OP
Member
Geek  Offline OP
Member
G

Joined: Apr 2013
Posts: 107
UK
Perfect, exactly the info I needed, many thanks.


Moderated by  Petra 

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