What is the default ranking without positionscore

AFL Programming
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if I don't set positionscore.. what rule is used to decide what trades takes place with limited equity?

Thanks in advance

2

Knowledge base

AmiBroker’s portfolio backtester allows to define stock ranking and selection criteria by means of PositionScore variable. This is explained in details in the following tutorial chapter:

Portfolio-level back testing

If PositionScore is not defined or it has the same value for two or more symbols, then AmiBroker will use the following rules:

  1. transaction with greater PositionSize is preferred – the comparison method depends on the position sizing approach used in our code:
  • If we use SetPositionSize( dollarvalue, spsValue) – then $ value is compared.
  • If we use SetPositionSize( shares, spsShares) – then number of shares is used for comparison.
  • If we use SetPositionSize( perc, spsPercentOfEquity) – then % equity matters.
  1. alphabetical order
  2. long trades rather than short trades, if both occur at the same time for the same symbol.
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