Group 1 - The total amount of bonds under custody increased slightly, reaching 178.55 trillion yuan by the end of December 2025, with a net increase of 0.30 trillion yuan compared to the previous month, but a decrease of 1.18 trillion yuan compared to November [8] - By type, the custody of interest rate bonds, credit bonds, and financial bonds saw a net increase, while the amount of interbank certificates of deposit decreased [8] - The custody of interest rate bonds was 124.63 trillion yuan, accounting for 69.80% of the total, with a net increase of 0.69 trillion yuan; credit bonds reached 19.15 trillion yuan, accounting for 10.73%, with a net increase of 0.02 trillion yuan; financial bonds totaled 12.93 trillion yuan, accounting for 7.24%, with a net increase of 0.13 trillion yuan; interbank certificates of deposit stood at 19.69 trillion yuan, accounting for 11.03%, with a net decrease of 0.62 trillion yuan [8] Group 2 - The structure of bondholders showed that most institutions increased their bond holdings, except for credit cooperatives which reduced their positions; policy banks increased their holdings of interest rate bonds, interbank certificates of deposit, and credit bonds [9] - Commercial banks and securities companies increased their holdings of interest rate bonds while reducing their positions in interbank certificates of deposit and credit bonds [9] - The custody of government bonds continued to increase, with policy banks and commercial banks consistently adding to their holdings, while non-legal person products reduced their positions [9] Group 3 - The leverage ratio in the bond market increased, with the estimated balance of repurchase agreements reaching 11.91 trillion yuan by the end of December 2025, an increase of 859.04 billion yuan, resulting in a leverage ratio of 107.14%, which is an increase of 0.54 percentage points compared to the previous month [10] - The year-on-year comparison shows a decrease of 1.10 percentage points in the leverage ratio [10]