供给端从份额导向往盈利导向变化，同标的指数规模最大的石化ETF（159731）连续20日“吸金”

Group 1 - The A-share market showed mixed performance with the China Petroleum and Chemical Industry Index rising approximately 0.6%, while constituent stocks experienced varied movements, with China Petroleum, Shanghai Petrochemical, and Sankeshu leading gains, and Guangdong Hongda and Juhua leading declines [1] - The largest ETF tracking the index, the Petrochemical ETF (159731), attracted a total of 1.457 billion yuan over 20 consecutive trading days, reaching a new high in total shares of 1.7 billion and a total scale of 1.707 billion yuan [1] - According to Dongfang Securities' research report, the chemical industry trend will develop around two main lines: a shift in supply from market share orientation to profit orientation, and demand opportunities arising from the decline of chemical industries in Europe and Japan, as well as growth in basic material exports from emerging countries [1] Group 2 - The Petrochemical ETF (159731) and its linked funds (017855/017856) closely track the China Petroleum and Chemical Industry Index, with the basic chemical industry accounting for 60.02% and the petroleum and petrochemical industry accounting for 32.43% of the index [1] - In the first year of the 14th Five-Year Plan, the industry is expected to shift from quantity expansion to quality improvement, with clear growth themes emerging [1]