Core Viewpoint - Bank of America identifies turnover rate, market leverage ratio, and margin trading proportion as key indicators for assessing market sentiment and risk levels, indicating potential overheating if turnover remains above 600% for 2-3 months or leverage exceeds 7.5% [1][3][10] Group 1: Primary Indicators - Turnover Rate: The annualized turnover rate reached 560% in August, approaching historical highs, though still below the peak of 680%-910% seen from April to August 2015 [5][6] - Market Leverage Ratio: Currently at 6.8%, this ratio has increased from 6.5% at the end of July but remains below the 7.0%-9.8% range observed from December 2014 to June 2015 [8][10] - Margin Trading Proportion: The current margin trading proportion stands at 12%, similar to levels seen during the early stages of the bull market in July-August 2014, which may trigger regulatory measures if it exceeds 12%-13% [2][11] Group 2: Secondary Indicators - Trading Volume: The average daily trading volume in A-shares reached 2.7 trillion yuan, significantly higher than 1.6 trillion yuan in July and 1.4 trillion yuan in the first half of the year [14][16] - Financing Balance: The financing balance in A-shares is currently 2.17 trillion yuan, nearing the historical peak of 2.27 trillion yuan in February 2015 [17][19] Group 3: Tertiary and Quaternary Indicators - New Fund Issuance: The average weekly fundraising scale for equity and mixed public funds in the first three weeks of August was 11 billion yuan, consistent with the average of 10 billion yuan this year [21][23] - New Account Openings: In July, 1.96 million new accounts were opened on the Shanghai Stock Exchange, consistent with the monthly average but significantly lower than historical highs [24][26] - Deposit Changes: Recent data indicates a slowdown in the growth of household deposits, while deposits in non-bank financial institutions are increasing, suggesting a trend of funds moving from banks to the stock market [27][29]