RoundTickUp

returns the price rounded up to the next tick

RoundTickDown

returns the price rounded down to the next tick

FormatPrice

returns the price formatted for printing. For example, a price for Soybeans of 6.25 will return "6 1/4"

RealPrice

returns the real price, converted back from being negative adjusted.

GetDayIndex

returns the day index for a date

AddCommission

adds the specified amount to the commission to the specified unit of the current position for the instrument.