yahoo.get.hist.quote {UsingR}R Documentation

Download stock data from Yahoo!

Description

Downloads stock data from Yahoo!

Usage

yahoo.get.hist.quote(instrument = "^gspc", destfile = paste(instrument, ".csv", sep = ""), start, end, quote = c("Open", "High", "Low", "Close"), adjusted = TRUE, download = TRUE, origin = "1970-01-01", compression = "d")

Arguments

instrument Ticker symbol as character string.
destfile Temporary file for storage
start Date to start. Specified as "2005-12-31"
end Date to end
quote Any/All of "Open", "High", "Low", "Close"
adjusted Adjust for stock splits, dividends. Defaults to TRUE
download Download the data
origin Dates are recorded in the number of days since the origin. A value of "1970-01-01" is the default. This was changed from "1899-12-30".
compression

Details

Goes to chart.yahoo.com and downloads the stock data. By default returns a multiple time series of class mts with missing days padded by NAs.

Value

A multiple time series with time measureing the number of days since the value specified to origin.

Author(s)

Daniel Herlemont <dherlemont@yats.com>

References

This function was found on the mailling list for R-SIG finance

See Also

yahoo.get.hist.quote in the tseries package


[Package UsingR version 0.1-12 Index]