Function returns an xts object containing the data of only 1 stock exchange.
selectExchange(data,exch="N");
an xts object containing the time series data. The object should have a column "EX", indicating the exchange by its symbol.
The (vector of) symbol(s) of the stock exchange(s) that should be selected. By default the NYSE is chosen (exch="N"). Other exchange symbols are:
A: AMEX
N: NYSE
B: Boston
P: Arca
C: NSX
T/Q: NASDAQ
D: NASD ADF and TRF
X: Philadelphia
I: ISE
M: Chicago
W: CBOE
Z: BATS
xts object