TickData(gateway_name='CTP', symbol='au2204', exchange=<Exchange.SHFE: 'SHFE'>, datetime=datetime.datetime(2022, 1, 18, 23, 31, 12, tzinfo=<DstTzInfo 'Asia/Shanghai' CST+8:00:00 STD>), name='黄金2204', volume=17456, turnover=6503140580.0, open_interest=38476.0, last_price=372.86, last_volume=0, limit_up=395.48, limit_down=350.7, open_price=372.6, high_price=373.76, low_price=370.98, pre_close=372.68, bid_price_1=372.84000000000003, bid_price_2=0, bid_price_3=0, bid_price_4=0, bid_price_5=0, ask_price_1=372.88, ask_price_2=0, ask_price_3=0, ask_price_4=0, ask_price_5=0, bid_volume_1=5, bid_volume_2=0, bid_volume_3=0, bid_volume_4=0, bid_volume_5=0, ask_volume_1=2, ask_volume_2=0, ask_volume_3=0, ask_volume_4=0, ask_volume_5=0, localtime=None)