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tbpy只能查一个上期所的产品吗
2023-07-19 18:55
import tbpy
tbpy.init()
ss=tbpy.get_history_n(symbol=[\'ur309.CZCE\'], frequency=\'2m\', count=10, flag=tbpy.QuoteFlag.RolloverBackWard|tbpy.QuoteFlag.OnlyNight, fields=[\'open\', \'high\', \'time\'], timeout=\'60s\')
print(ss)
查不出来，换上期所的就可以
UR应该是大写