I have successfully retrieved price info from IB via IBrokers for stocks and
simple options.  The package is very efficient.Yet I could not get info on
future option.

> oc<-reqContractDetails(tws, twsOption(local="", right="",symbol="QQQQ"))
> length(oc)
[1] 1018
> oc<-reqContractDetails(tws, twsOption(local="",right="",symbol="GC"))
Error in reqContractDetails(tws, twsOption(local = "", right = "", symbol =
"GC")) :
  Unable to complete ContractDetails request
> oc<-reqContractDetails(tws,
twsOption(local="",right="",exch="NYMEX",symbol="GC"))
Error in reqContractDetails(tws, twsOption(local = "", right = "", exch =
"NYMEX",  :
  Unable to complete ContractDetails request

By the way, how could we retrieving the option chain,  just the current bid,
ask, and size.  A snap shot only.
 I have only find functions for data feed and historical data download.

Any suggestion would be appreciated.

Wind

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