债市机构行为周报（6月第4周）：还有哪些债券可以挖掘？-20250622

1. Report Industry Investment Rating No relevant content provided. 2. Core Views of the Report - The 20Y Treasury bond market may not be over yet, with potential for the 20Y - 30Y spread to compress further, and the 20Y Treasury bond may be more cost - effective than the 50Y Treasury bond [2][3][12] - Investors can look for opportunities in some old bonds with certain liquidity and spread compression potential, but the follow - up odds of 230023 may be insufficient [3][13] - In the current bond market environment of extending duration and increasing leverage, there is no need to overly worry about reversal risks before the end of the month, and attention should be paid to the right - side response after sudden event shocks [4][6] 3. Summary by Directory 3.1 This Week's Institutional Behavior Review: Which Bonds Can Be Explored? - Yield Curve: Both Treasury and China Development Bank bond yields generally declined. For Treasury bonds, the 1Y yield dropped 4bp, 3Y dropped 3bp, 5Y dropped 4bp, 7Y dropped about 2bp, 10Y changed less than 1bp, 15Y dropped 3bp, and 30Y dropped 1bp. For China Development Bank bonds, the 1Y yield dropped about 1bp, 3Y dropped 2bp, 5Y dropped 3bp, 7Y and 10Y dropped about 2bp, 15Y dropped 5bp, and 30Y remained flat [15] - Term Spread: Treasury bond spreads showed deeper inversion and short - end spreads widened, while China Development Bank bond spreads had a differentiated trend with long - end spreads widening [18][19] 3.2 Bond Market Leverage and Funding Conditions - Leverage Ratio: The leverage ratio rose to 107.85%. As of June 20, it was about 107.85%, up 0.38pct from last Friday and 0.35pct from this Monday [21] - Average Daily Repo Turnover: The average daily turnover of pledged repos was 8.3 trillion yuan, with an average overnight share of 89.71%. The average daily turnover increased compared to last week [28] - Funding Conditions: Bank funding supply fluctuated upward. DR007 first rose and then fell, R007 first fell and then rose. 1YFR007 and 5YFR007 both declined [33][34] 3.3 Duration of Medium - and Long - Term Bond Funds - Median Duration: The median duration of medium - and long - term bond funds rose to 2.82 years (de - leveraged) and 3.07 years (including leverage). On June 20, the median duration (de - leveraged) was 2.82 years, up 0.04 years from last Friday; the median duration (including leverage) was 3.07 years, up 0.11 years from last Friday [44] - Duration of Bond Fund Types: The median duration of interest - rate bond funds (including leverage) remained at 3.69 years, up 0.02 years from last Friday; the median duration of credit bond funds (including leverage) rose to 2.88 years, up 0.15 years from last Friday [47] 3.4 Comparison of Generic Strategies - Sino - US Yield Spread: The overall Sino - US yield spread widened. The 1Y spread narrowed by about 2bp, while the 2Y, 3Y, 5Y, 7Y, and 10Y spreads widened [51] - Implied Tax Rate: The short - end implied tax rate widened, while the medium - and long - end narrowed [52] 3.5 Changes in Bond Lending Balances On June 20, the lending concentration trends of the active 10Y and 30Y Treasury bonds rose, while those of the second - active 10Y Treasury bond, the active 10Y China Development Bank bond, and the second - active 10Y China Development Bank bond declined [57]