For code/output blocks: Use ``` (aka backtick or grave accent) in a single line before and after the block. See: http://commonmark.org/help/
Use ticker data for multiple re-runs.
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I am importing 10 years of multi-Security data for testing purposes. Is there any way, I only have to import it once and keep it pickled/stored so that BT doesn't have to reimport again when I rerun the code. This is for the testing purpose, where imported data is not getting changed for a long session of code analysis.