I am using Ninja with IB datafeed. Can you please tell me how I can have a continous chart of say a contract like ES after rollover tomorrow. I know I can open a separate chart Dec ES chart , but how can I combine Sept ES chart with Dec ES chart? So that till end of today in the continous chart I see Sept data and from tomorrow onwards I see Dec data.
Is there anyway to copy Sept ES data file and rename it as Dec ES datafile and start using it. How can I do that, where are the data files stored.
Thanks
RK
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