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Re: [amibroker] I need help for equity line...



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Al,
 
If PositionSize is set to the same value as Initial 
Equity then if there are profitable trades, then the PositionSize will stay at 
the same value as originally set, but if there are losses then I assume the 
PositionSize will reduce for the succeeding trades, or the trades will not be 
taken at all (depending on the Reduce positionsize setting?). In order to 
get an accurate expectancy ratio, I want every trade to be precisely the same 
size. If the position size increases OR reduces during the test, then the 
expectancy ratio would be biased. Does this explain it?