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Forgive me to ask this basic question. I have read through manual
and couldn't figure out the answer.
Let us say we have 10 years data (2500). In a backtest code line
like,
value = close * 2;
how many days of data is loaded? 10 years (2500)or less? Can it be
set in configuration settings? The reason I ask is if I want to do a
exploration for the last quote only, it doesn't make sense to load
and calculate based the whole 10 years data, as our interest is only
the last quote. Only if AB can only load the last day of data, the
calculation will be much more efficient and fast.
Secondly, when we use addtocomposite() function, can we append the
new data to the existing symbol generated by previous runs of
addtocomposite(). The same logic applis here. I don't want to run
calculation for the whole database every day.
Thanks a lot in advance,
Gary
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