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股市上涨会改变什么,不会改变什么?
GOLDEN SUN SECURITIES·2025-08-17 13:43

Group 1: Report Summary - The report analyzes the impact of the stock market rally on the bond market, suggesting that while the stock market's rise suppresses the bond market, the bond market's adjustment space is limited [6][26]. Group 2: Market Performance - This week, the bond market declined significantly, especially long - term bonds. The yields of 10 - year and 30 - year treasury bonds rose by 5.7bps and 8.7bps to 1.75% and 2.05% respectively, reaching new highs since April this year. The short - end was relatively stable, with the 1 - year treasury bond yield rising slightly by 1.6bps to 1.37%, and the 1 - year AAA certificate of deposit yield rising slightly by 2.0bps to 1.64% [1][9]. - The stock market has been strong recently, rising 1.7% this week, closing near 3700 points on the 15th, with significantly enlarged trading volume [9]. Group 3: Reasons for Bond Market Decline - The decline in the bond market is mainly due to the increased risk appetite brought about by the stock market rally. The market's expectation of the continuous rise of the stock market has increased, leading to significant selling by trading desks with long - duration and heavy - position bond holdings, resulting in a market pullback [1][9]. Group 4: Factors Unaffected by the Stock Market - Funding situation: The current loose funding situation is determined by weak financing demand and the central bank's maintenance of abundant liquidity. The "anti - arbitrage" measure aims to improve credit quality rather than change the loose funding situation. If credit data remains low, funding may become even looser [2][16]. - Banks' bond - buying power: Although the stock market rally causes a shift in household deposits, total bank deposits remain unchanged, so the stock market rise does not affect banks' asset - allocation ability. Banks, especially small and medium - sized banks, face a large asset shortage gap and need to increase bond investments. Assuming a 20% year - on - year growth rate by the end of the year, banks need to increase bond holdings by 8.3 trillion yuan in the next five months, which is significantly larger than the remaining government bond supply, indicating a continued asset shortage [3][17]. - Interest rate spread and bond yields: The stock market rally does not change loan interest rates. The short - end interest rate remains stable due to loose funding, while the long - end interest rate is affected by market sentiment in the short term. In the long run, long - end interest rates are more in line with loan interest rates. Assuming the interest rate spread between the general loan weighted average rate and R007 in Q3 remains the same as in Q2 at 200bps, the corresponding 10 - year treasury bond yield is around 1.8% [4][21]. Group 5: Relationship between the Stock and Bond Markets - The stock - bond seesaw effect does not always hold. During the 2014 - 2015 bull market, bond yields remained stable. The stock market's net financing in 2024 was only about 2% of the bond market's, so the stock market's impact on the bond market's trend is limited [5][10]. Group 6: Investment Suggestions - Although the stock market rally suppresses the bond market, the bond market's adjustment space is limited. The 10 - year treasury bond's adjustment upper limit is estimated to be between 1.75% - 1.8%. Investors should pay attention to stock market changes and fund duration. When the stock market stops rising unilaterally or the fund duration drops to a low level, it may be a signal to increase bond positions [6][26].