[amibroker] Rotational Trading Question

[Ken Close]

I have searched past 
messages to no avail (or else I just can't see the answer), but can someone help 
with this or point me towards an example:
 
I am trying to use 
Rotational Trading with a general market signal.  It works but I want to be 
able to hold open positions when the market signal goes on a sell, and control 
the sell via a trailing stop.
 
The market signal 
buy tells the code to buy the top three ranked by UPI.
 
The market sell 
signal should tell the code not to buy any new positions but sell the open 
positions only when the trailing stops are hit.
 
Right now, the code 
sells all positions when the market signal goes on a sell, rather than using the 
trailing stop code.
 
I have tried 
ApplyStop and it works correctly but only when the market signal is on a buy; 
all positions are sold when the market signal goes on a 
sell.
 
Here is the relevant 
PositionScore statement that must be foiling things here.
 

PositionScore = IIf(BuySig == 0 OR SellSig2 == 1, 0,  
IIf(Name() == "UAPIX", 999,  
Nz(UPI + 500)));
Setting Position 
Score = zero, as when the Buy Sig goes to zero or a special sell signal is 
activated, takes out open positions, which is what the problem 
is.
But I am unable to 
see a way to "gate" the buys with BuySig == 1 and prevent new buys if BuySig==0 
and still get things to work.
 
Any suggestions on 
this one??
 
Thanks,
 
Ken
 
 
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