UsingR: yahoo.get.hist.quote – R documentation

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UsingR

yahoo.get.hist.quote

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`	Passed to yahoo

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