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历史复盘:股牛期间的债市特征
GOLDEN SUN SECURITIES·2025-08-21 01:35

Report Industry Investment Rating - Not mentioned in the report Core Viewpoints - The bond market is affected by the stock market, but the adjustment space is limited. Attention should be paid to stock market changes and fund duration to select the timing for increasing bond allocation [59] - Overall, during stock market rallies, government bond yields tend to move in sync with funds. If funds are generally loose, government bond yields show a long - term downward trend, with the term spread widening and the credit spread narrowing. In terms of fund diversion, household deposits often decrease year - on - year, bond fund shares may decline periodically but will recover in the later stage of the stock market growth. The scale of wealth management transferred to the stock market may be relatively limited, and the scale and proportion of insurance bond investment are expected to rise [4][58] Summary by Different Stock Market Rally Periods 2006 - 2007 Stock Market Rally - Bond Market Performance: Government bond yields rose significantly, fund prices increased, the term spread first narrowed, then widened, and then narrowed again, and the credit spread first narrowed and then widened. The Shanghai Composite Index rose from 1181 points at the beginning of 2006 to 6092 points in mid - October 2007. The 10 - year government bond yield rose from 3.1% to 4.5%, an increase of 139bps. R007 rose from 1.5% to a maximum of 7.1%. The government bond term spread first dropped from 140bp to 85bp in November 2006, then rose to 180bp at the end of June 2007, and then dropped to 122bp in mid - October 2007. The 1 - year medium - term note credit spread dropped from 138bp at the end of 2006 to 59bp in mid - August 2007 and then rose to 118bp in mid - October 2007 [1][8] - Fund Diversion: Household deposits decreased year - on - year, the shares of both stock - type and bond - type funds increased, and the balance of insurance bond investment rose. From the second quarter of 2006 to the third quarter of 2007, household deposits decreased by a cumulative 12857 billion yuan year - on - year. Stock - type fund shares increased from 1279 billion shares in January 2006 to 10112 billion shares in October 2007, an increase of 8833 billion shares. Bond - type fund shares increased by a cumulative 187 billion shares from 243 billion shares. The balance of insurance bond investment increased from 6600 billion yuan in December 2005 to 10420 billion yuan in June 2007, an increase of 3820 billion yuan [2][14][18] 2014 - 2015 Stock Market Rally - Bond Market Performance: Government bond yields decreased significantly, funds were generally loose, the term spread first narrowed and then widened, and the credit spread narrowed after fluctuations. The Shanghai Composite Index rose from 2024 points in mid - June 2014 to 5166 points in mid - June 2015. The 10 - year government bond yield dropped from 4.0% to about 3.6%, a decrease of 42bps. R007 first rose from 3.2% to 6.4% in late December 2014 and then dropped to 2.1%. The government bond term spread first narrowed from 63bp to 19bp in mid - October 2014 and then widened to 194bp in mid - June 2015. The 3 - year medium - term note credit spread narrowed from 136bp to 116bp overall [2][25] - Fund Diversion: Household deposits decreased year - on - year, the shares of stock - type and bond - type funds changed in opposite directions, the balance and proportion of insurance bond investment decreased, and the scale of wealth management increased. From July 2014 to June 2015, household deposits decreased by a cumulative 22655 billion yuan year - on - year. Bond - type fund shares increased by a cumulative 456 billion shares, while stock - type fund shares increased by a cumulative 1605 billion shares. The balance of insurance bond investment decreased from 35636 billion yuan in June 2014 to 35532 billion yuan in June 2015, and the proportion of bond investment dropped from 41.48% to 34.27%. The scale of bank wealth management products increased from 12.65 trillion yuan in June 2014 to 18.52 trillion yuan in June 2015 [2][33] 2024 - 2025 Stock Market Rally - Bond Market Performance: Government bond yields rose, funds were generally loose, and both the term spread and credit spread widened. The Shanghai Composite Index rose from 2863 points on September 24, 2024, to 3490 points on October 8, 2024, and then continued to fluctuate. From July 2025 to August 18, 2025, it rose from 3458 points to 3728 points. The 10 - year government bond yield first rose from 2.07% to 2.25%, then dropped rapidly to 1.60%, and since July 2025, it has been rising. R007 dropped from 2.03% on September 24, 2024, to 1.50% on August 18, 2025. During the two stock market rallies, the term spread widened by 16.5bp and 9.5bp respectively, and the 3 - year medium - term note credit spread widened by 21.5bp and 6.7bp respectively [2][42] - Fund Diversion: Household deposits decreased year - on - year, bond - type fund shares decreased, stock - type fund shares increased, the balance and proportion of insurance bond investment rose, and the balance of wealth management bond investment increased. In September 2024, household deposits decreased by 3257 billion yuan year - on - year, and in July 2025, they decreased by 7818 billion yuan year - on - year. Bond - type fund shares decreased by 7002 billion shares in October 2024, while stock - type fund shares increased by a cumulative 1319 billion shares in September and October 2024. The balance of life insurance company bond investment increased from 14.23 trillion yuan in September 2024 to 16.92 trillion yuan in June 2025, and the proportion increased from 49.18% to 51.90%. The balance of bank wealth management increased from 28.52 trillion yuan in June 2024 to 30.67 trillion yuan in June 2025, and the bond investment scale increased from 16.98 trillion yuan to 18.33 trillion yuan [3][50]