国开行发行1年期债券，规模60亿元，发行利率1.3705%，预期1.3600%，投标倍数3.83倍，边际倍数1.74倍；国开行发行3年期债券，规模50亿元，发行利率1.6045%，预期1.6000%，投标倍数3.37倍，边际倍数17.14倍。

Core Insights - The China Development Bank (CDB) issued a one-year bond with a scale of 6 billion yuan and an issuance rate of 1.3705%, which was higher than the expected rate of 1.3600% with a bid-to-cover ratio of 3.83 times and a marginal ratio of 1.74 times [1] - The CDB also issued a three-year bond with a scale of 5 billion yuan and an issuance rate of 1.6045%, exceeding the expected rate of 1.6000%, with a bid-to-cover ratio of 3.37 times and a marginal ratio of 17.14 times [1] Summary by Category - One-Year Bond Issuance - Scale: 6 billion yuan - Issuance Rate: 1.3705% - Expected Rate: 1.3600% - Bid-to-Cover Ratio: 3.83 times - Marginal Ratio: 1.74 times [1] - Three-Year Bond Issuance - Scale: 5 billion yuan - Issuance Rate: 1.6045% - Expected Rate: 1.6000% - Bid-to-Cover Ratio: 3.37 times - Marginal Ratio: 17.14 times [1]