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type

Partial trading means times when an exchange is opened later than usual (late_open) or closed earlier than usual (early_close).

save

Save given calendar into Chronicle for partial-trading (either early-close or late-open). This calendar will specify partial-trading dates for a number of symbols at the same time.

get_partial_trading_for

Returns a hash-ref for partial-tradings of the given type for a specific symbol. You can also query historical data using this function.