wie man alle 500 Aktien rziiert r
library(BatchGetSymbols)
first.date <- Sys.Date()-365
last.date <- Sys.Date()
df.SP500 <- GetSP500Stocks()
tickers <- df.SP500$Tickers
l.out <- BatchGetSymbols(tickers = tickers,
first.date = first.date,
last.date = last.date)
print(l.out$df.control)
print(l.out$df.tickers)
hanux