RE: [amibroker] blank indicator

["Graham" <gkavanagh@xxxxxxxxxxxxx>]

If you have enough concurrent days of nil price movement then for alfs that
use H-ref(h,-1) or similar you will end up with either zero or infinity.
You will need to assign a value for these occasions to the part of code

Cheers,
Graham
http://groups.msn.com/ASXShareTrading
http://groups.msn.com/FMSAustralia 

-----Original Message-----
From: jgholson [mailto:jgholson@xxxxxxxxx] 
Sent: Friday, 24 October 2003 6:47 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] blank indicator


Below is my code for the SafeZone Short Stop.  I realize others have 
posted their code, but this one works well for me.  My problem is 
that I noticed the last few days the the stop line is <EMPTY> for the 
Dec Eurodollar Futures.  I have noticed this from time to time in 
other futures contracts, but after 5 or 6 sessions the lines 
magically reappear. Any reason why?  Is there a flaw in my ALF?

Here's the code:


// SafeZone Stop
SPeriod = 10; SCoeff = 2; SHolding = 5;
ADP = Sum(IIf(H>Ref(H,-1),H-Ref(H,-1),0),SPeriod)/Sum(IIf(H>Ref(H,-
1),1,0),SPeriod);
SFShortStop = High + (SCoeff * Ref(ADP,-1));
SafeZone = LLV(SFShortStop, SHolding);
Plot(Close,"",1,64);
Plot(SafeZone,"SafeZone Short Stop",colorRed,styleLine);




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