Validate Financial Symbols — valid

Checks the validity of financial symbols using Yahoo Finance's validation API. Return a data.frame of logical values indicating whether each symbol is recognized by Yahoo Finance.

Usage

valid_symbol(symbols = NULL, ..., .verbose = T)

Arguments

symbols: character A string or a list of character strings representing financial symbols to validate.
...: Other symbols (char. or list of char.)
.verbose: logical If TRUE, messages are displayed when invalid symbols are detected. Default is TRUE.

Value

A data.frame boolean logical table with one row and as many columns as the number of unique symbols provided by the user. Each column corresponds to a symbol, and the logical value is TRUE if Yahoo Finance recognizes the symbol, and FALSE otherwise.

References

Source : https://query2.finance.yahoo.com/v6/finance/quote/validate

Examples

valid_symbol("AAPL,GOOGL")
#>   GOOGL AAPL
#> 1  TRUE TRUE
valid_symbol(symbols = c("CDF", "SCR", "INVALID"))
#> Invalid financial symbol(s) : CDF, SCR, INVALID
#>     CDF   SCR INVALID
#> 1 FALSE FALSE   FALSE