zvt.contract.utils.evaluate_size_from_timestamp¶

zvt.contract.utils.evaluate_size_from_timestamp(start_timestamp, level: IntervalLevel, one_day_trading_minutes, end_timestamp: Timestamp = None)¶

given from timestamp,level,one_day_trading_minutes,this func evaluate size of kdata to current. it maybe a little bigger than the real size for fetching all the kdata.

Parameters: