I'd like to know how to create a smooth chart (without gaps and huge bars) when changing the contract month for corn futures (ZC).
I switched from the 07-13 to the 12-13 contract this morning and I'm getting a huge bar on my chart.
I've asked a similar question for the CL contract in the past and I'm aware of the different steps as highlighted here:
The question that remains though is what rollover date I should choose. For the 12-13 contract it is Aug 26 by default, which is likely creating the huge bar on my chart.
Thanks.
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