personally, I'm not so familiar (I use my own time-series objects) but it
looks like you can experiment with addTA
see ?addTA

try for example

getSymbols(c("MSFT", "SBUX"))
chartSeries(MSFT)
addTA(SBUX, on = 1)

Hopefully you'll be able to get the chart to look exactly like you want it
to from there.

Note also that to use getSymbols in the example above you may have to add a
flag "--internet2" to the Rgui.exe if you are using Windows.See
http://cran.r-project.org/bin/windows/base/rw-FAQ.html#The-Internet-download-functions-fail_002e

On Tue, Apr 28, 2009 at 1:49 PM, Sebastian Hauer
<sebastian.hauer@gmail.com>wrote:

> Hello,
> I was wondering if there is an easy way of overlaying two bar charts
> using quantmod?
> Here is what I am trying to do:
>
> chartSeries(ts1, type = "bars", show.grid = TRUE, up.col = "green",
> dn.col = "green")
> chartSeries(ts2, type = "bars", show.grid = TRUE, up.col = "red",
> dn.col = "red")
>
> But have ts2 show in the same plot frame or if that does not work have
> it show in a frame below the first one.
>
> Regards,
> Sebastian
>
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