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NAME

Finance::GeniusTrader::TradeFilters - Filters to accept or refuse trades

DESCRIPTION

Trade filters are used to decide whether or not a trade is accepted. It can for example refuse trade going against the current trend. You can use several trade filters simultaneously.

$filter->accept_trade($order, $i, $calc, $portfolio)
$system->precalculate_all($calc)
$system->precalculate_interval($calc, $first, $last)

If you run a system on a long period of time you may want to precalculate all the indicators in order to benefit of possible optimizations. This is the role of those 2 functions.