[R-SIG-Finance] IBrokers and timezone

[soren wilkening]

I havent had this problem, but my best guess is that it could have something
to do with the way you specify your  contract for IBM

since your locale seems to be in Europe, defining a contract like this

twsSTK('IBM')

and without specifying a US exchange explicitly with the exch=... argument,
the IB system may default to assigning the exchange that is geographically
closest to you, means a european exchange where you can trade IBM. When you
then submit a 'US Eastern Standard Time' timestamp

'20110417 00:00:26 EST'

the european exchange will likely not know what to do with that timezone and
return its own default 'CET' instead.

So to cut it short:

try 

twsSTK('IBM', exch=...SOME US ECHANGE..)

instead.

Would be interested to see if this works.

Cheers

Soren

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