A quoted start date, ie. "2020-01-01" or "2020/01/01". The date
must be in ymd format "YYYY-MM-DD" or "YYYY/MM/DD".
.to
A quoted end date, ie. "2022-01-31" or "2022/01/31". The date must
be in ymd format "YYYY-MM-DD" or "YYYY/MM/DD"
Author
Koffi Frederic SESSIE
Oudouss Diakité Abdoul
Steven P. Sanderson II, MPH
Details
This function will get data of the companies listed on the BVRM exchange through the Rich Bourse site. The function
takes in a single parameter of .symbol The function will auto-format the
tickers you input into all upper case by using toupper() The function will
next make sure that the ticker passed is inside of a google spreadsheet of
allowed tickers.