外部扰动不确定性较大，30年国债ETF(511090)交投活跃，成交额超22亿元

Group 1 - The 30-year Treasury ETF (511090) is experiencing a tight balance between long and short positions, with the latest quote at 123.04 yuan and a trading volume of 2.277 billion yuan, indicating active market participation [1] - The latest scale of the 30-year Treasury ETF has reached 18.339 billion yuan, with a daily average trading volume of 7.389 billion yuan over the past month [1] - In the past nine trading days, there have been net inflows of funds into the 30-year Treasury ETF for six days, totaling 641 million yuan, with an average daily net inflow of 71.19 million yuan [1] Group 2 - The 30-year Treasury ETF closely tracks the China Bond 30-Year Treasury Index, which consists of publicly issued 30-year treasury bonds, serving as a benchmark for investment in this category [2] - Industry experts consider the 30-year Treasury ETF to be an effective tool for portfolio management, offering low trading thresholds and high trading efficiency, with a minimum transaction unit of 100 shares, approximately 10,000 yuan [2] - The ETF benefits from ample liquidity provided by multiple market makers, allowing for immediate transactions and efficient trading [2]