Asks Yahoo Finance for the daily prices from start_date to
now, in one request. A failed download is reported as a message instead of
an error.
Arguments
- index
One row of
get_indices().- start_date
Date. The first day to download.
Value
The prices, as described in parse_chart(), or NULL when
nothing could be downloaded.
Examples
if (FALSE) { # \dontrun{
golemstockindices:::download_history(get_indices()[1, ], Sys.Date() - 30)
} # }