<syntaxhighlight>// *** restrictions
once if barstatus(BasedOnData) < 0 then raiseruntimeerror("Portfolio Rank Signal Base needs datastream " + numtostr(BasedOnData, 0));
once if 1 <> getappinfo(aiisportfoliomode) then raiseruntimeerror("Portfolio Rank Signal Base can be applied to MCPortfolio application only.");
// ****************