A data frame with financial prices from collection
Arguments
collection
A collection to fetch data (e.g. "SP500", "IBOV", "FTSE" ).
See function yf_get_available_collections for finding all
available collections
first_date
The first date of query (Date or character as YYYY-MM-DD)
last_date
The last date of query (Date or character as YYYY-MM-DD)
do_parallel
Flag for using parallel or not (default = FALSE).
Before using parallel, make sure you call function future::plan() first.
See <https://furrr.futureverse.org/> for more details.
do_cache
Use cache system? (default = TRUE)
cache_folder
Where to save cache files?
(default = yfR::yf_cachefolder_get() )