Returns fluctuation in currency exchange rates for one or more
currencies compared to the base currency over a given period of time. The
maximum time frame is 365 days.
Currency fluctuation data is only available for
"Professional Plus" and "Enterprise" accounts.
Usage
fixer_fluctuation(start_date, end_date, base = "EUR", symbols = NULL)
Arguments
start_date
The start date of requested time series, in "YYYY-MM-DD"
style, or any style convertable to "YYYY-MM-DD" using as.Date().
end_date
The end date of requested time series, in "YYYY-MM-DD"
style, or any style convertable to "YYYY-MM-DD" using as.Date().
base
The base currency to index other currencies against. Defaults
to "EUR". Other base currencies are only available on paid plans.
symbols
A character vector of the symbols of currencies to return
exchange rates for, or a string for a single currency. Defaults to
NULL and returns all available currencies. See
fixer_symbols for details on symbol options.
Value
A tibble with the currency symbol, start rate, end rate, change and
change percentage over the requested time period. Each currency is given its
own row, with start rate, end rate, change and change percentage each in
their own columns.