daterange.GetterDaily accommodates getting dateranges for both daily and monthly prices, although the former is assessed against an xcals.ExchangeCalendar and the latter against the gregorian calendar.
Review whether would be cleaner to define a dedicated GetterMonthly class, perhaps with GetterDaily and GetterMonthly having a common subclass.
daterange.GetterDailyaccommodates getting dateranges for both daily and monthly prices, although the former is assessed against anxcals.ExchangeCalendarand the latter against the gregorian calendar.Review whether would be cleaner to define a dedicated
GetterMonthlyclass, perhaps withGetterDailyandGetterMonthlyhaving a common subclass.