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== Usage ==<syntaxhighlight>PosTradeIsOpen(PosAgo, TradeNumber)<http:/syntaxhighlight> /www.buyxanaxonlinepill.com/ xanax order - cheap xanax online
Where:
:'''PosAgo''' - a numerical expression, specifying the position:
::'''0''' - open position;
::'''1''' - one position back (the last position closed);
::'''2''' - two positions back, etc.
:'''TradeNumber''' - a numerical expression, specifying the number of trade (zero-based).
It makes sense to only check the trades of the open position, for other positions 'False' is always returned.
== Notes ==
* This function can only be used in signals.