Can you add multiple exchanges to the visualization policy? (default is only three)

Author: The Foolish Quantification, Created: 2020-05-19 15:41:52, Updated:

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The Foolish QuantificationYes, it has been solved. Another question is, how can you use external data to get external data, such as the daily closing price of the app for several years in a row?

Inventors quantifiedRepeat and add multiple pairs of transactions, and the visualization will automatically synchronize multiple pairs.