openseries.get_previous_business_day_before_today

openseries.get_previous_business_day_before_today(today=None, countries='SE', markets=None, custom_holidays=None)[source]

Bump date backwards to find the previous business day.

Parameters:

  • today (dt.date | None) – Manual input of the day from where the previous business day is found.

  • countries (CountriesType) – (List of) country code(s) according to ISO 3166-1 alpha-2. Defaults to “SE”.

  • markets (list[str] | str | None) – (List of) markets code(s) supported by exchange_calendars.

  • custom_holidays (list[str] | str | None) – Argument where missing holidays can be added.

Returns:

The previous business day.

Return type:

dt.date