Stock Exchange	Code	Date	Open	Close	Day High	Day Low	Volume	Change
New York(US＄)	PTR	2019-09-18	53.6	53.56	92012	53.87	53.3	0.12
Shanghai(RMB)	601857	2019-09-18	6.36	6.33	1044988	6.36	6.32	-0.09