Get the corresponding maturity date for the three characters string that represent maturity of futures contracts.
Arguments
- x
a character vector with three letters string that represent maturity of futures contracts.
- expr
a string which indicates the day to use in maturity date. See
bizdays::getdate
for more details on this argument.- refdate
reference date to be passed. It is necessary to convert old maturities like JAN0, that can be Jan/2000 or Jan/2010. If
refdate
is greater that 2001-01-01 JAN0 is converted to Jan/2010, otherwise, Jan/2000.