Given two series of the same instrument, 1-tick and 2-ticks, I identify a 1-tick bar (programmatically) by its bar#, say 1234. Is it possible to know to which 2-tick bar# the 1234 corresponds to?
The correspondence of the two series using the timestamps of the bars is not accurate enough because several bars can have the same timestamp.
Any suggestion is much appreciated. Thank you.
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