新能源板块领涨，政策利好频出，带动大湾区ETF涨幅接近1%，大湾区ETF备受关注

Core Insights - The China Securities Index for the Guangdong-Hong Kong-Macao Greater Bay Area has shown a positive performance, with a 0.94% increase as of September 5, 2025, and notable gains in constituent stocks such as Tianci Materials and Yiwei Lithium Energy [1][4] Performance Summary - The Greater Bay Area ETF (512970) has increased by 0.22% recently, with a latest price of 1.39 yuan, and a cumulative increase of 1.61% over the past two weeks [1] - The ETF has achieved a net value increase of 40.75% over the past year, with the highest monthly return recorded at 21.99% since its inception [1][2] - The ETF's average monthly return during rising months is 5.38%, and it has outperformed its benchmark with an annualized excess return of 8.73% over the last three months [1] Liquidity and Trading Activity - The trading volume for the Greater Bay Area ETF was 3.14 thousand yuan with a turnover rate of 0.04% [1] - The average daily trading volume over the past month was 70.97 thousand yuan [1] Risk and Fee Structure - The management fee for the Greater Bay Area ETF is 0.15%, while the custody fee is 0.05% [2] Tracking Accuracy - The tracking error for the Greater Bay Area ETF over the past month is 0.028%, indicating a close alignment with the underlying index [3] Top Holdings - The top ten weighted stocks in the index account for 49.06%, with major companies including Ping An Insurance, BYD, and China Merchants Bank [4][6]