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highfrequency (version 0.2)

exchangeHoursOnly: Extract data from an xts object for the Exchange Hours Only

Description

The function returns data within exchange trading hours "daybegin" and "dayend". By default, daybegin and dayend are set to "09:30:00" and "16:00:00" respectively (see Brownlees and Gallo (2006) for more information on good choices for these arguments).

Usage

exchangeHoursOnly(data, daybegin = "09:30:00", dayend = "16:00:00")

Arguments

data
an xts object containing the time series data.
daybegin
character in the format of "HH:MM:SS", specifying the starting hour, minute and second of an exhange trading day.
dayend
character in the format of "HH:MM:SS", specifying the closing hour, minute and second of an exhange trading day.

Value

  • xts object

References

Brownlees, C.T. and Gallo, G.M. (2006). Financial econometric analysis at ultra-high frequency: Data handling concerns. Computational Statistics & Data Analysis, 51, pages 2232-2245.