RE: [amibroker] entry selection

["Graham" <gkavanagh@xxxxxxxxxxxxx>]

1) you can use either Exrem or ExremSpan

2)use cum 
Positive = Cond1 > 0; 
Count = Cum(Positive); 

3)This can be a starting point for you 
Money = Cum( SellPrice - BuyPrice); 
AvgReturn = Money/Count; 

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

-----Original Message-----
From: bmx888 [mailto:bmx888@xxxxxxxxx] 
Sent: Monday, 3 November 2003 12:40 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] entry selection


I am trying to code this in Amibroker to screen entry conditions.

Suppose BuyCond is met, how to calculate the return in 20 days, 
maximum risk point, maximum profit point etc.

(C-ref(C, -20))/ref(C, -20)*BuyCond should be the return of 20 days 
of position holding. The questions are:

1) Now how to avoid repetitive counts of BuyCond suppose day 1 
buycond is met, the second day it's still met. This happens all the 
time in trend following systems.
2) How to calculate the probability by positive return/number of 
events.
3) how to calculate average return by total return/number of events...

Is it possible in AFL to calculate the number of events and generate 
a table to check once BuyCond is met, the return in 1 day, 5 days, 20 
days etc, its probability, maximum risk, maximum profit...




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