有色、计算机、电子行业领涨，带动大湾区ETF继续上涨，连涨三天

Core Insights - The Zhongzheng Guangdong-Hong Kong-Macao Greater Bay Area Development Theme Index (931000) has shown a positive performance, with a 0.89% increase as of September 12, 2025 [2] - The Greater Bay Area ETF (512970) has also experienced a rise of 0.81%, marking its third consecutive increase [2] - The ETF has demonstrated significant growth over the past year, with a net value increase of 53.63% [2] Performance Metrics - The Greater Bay Area ETF has achieved a cumulative increase of 6.84% over the past week [2] - The ETF's average daily trading volume over the past month is 76.15 million yuan, with a turnover rate of 0.18% on September 11, 2025 [2] - The highest monthly return since the ETF's inception was 21.99%, with an average monthly return of 5.38% during rising months [2] Risk and Return Analysis - The ETF has a year-to-date relative drawdown of 0.43% as of September 11, 2025, with a recovery period of 108 days [3] - The Sharpe ratio for the ETF over the past year is 1.61, indicating a favorable risk-adjusted return [2][3] Fee Structure - The management fee for the Greater Bay Area ETF is 0.15%, while the custody fee is 0.05% [3] Tracking Accuracy - The tracking error for the ETF over the past month is 0.029%, indicating a close alignment with the underlying index [3] Index Composition - The top ten weighted stocks in the Zhongzheng Guangdong-Hong Kong-Macao Greater Bay Area Development Theme Index account for 49.06% of the index [4] - Key constituents include China Ping An, BYD, and China Merchants Bank, among others [4][6]