中国财政部发行2年期债券，规模1450亿元，发行利率1.3844%，边际利率1.4172%，预期1.4000%，投标倍数3.26倍，边际倍数61.36倍；中国财政部发行50年期债券，规模350亿元，发行利率2.0187%，预期2.0100%，投标倍数5.42倍，边际倍数16.47倍。

Core Points - The Ministry of Finance of China issued a 2-year bond with a scale of 145 billion, an issuance rate of 1.3844%, and a marginal rate of 1.4172%, with a bid-to-cover ratio of 3.26 times and a marginal bid-to-cover ratio of 61.36 times [1] - Additionally, a 50-year bond was issued with a scale of 35 billion, an issuance rate of 2.0187%, and a marginal rate of 2.0100%, featuring a bid-to-cover ratio of 5.42 times and a marginal bid-to-cover ratio of 16.47 times [1] Summary by Category 2-Year Bond - Issuance Scale: 145 billion [1] - Issuance Rate: 1.3844% [1] - Marginal Rate: 1.4172% [1] - Expected Rate: 1.4000% [1] - Bid-to-Cover Ratio: 3.26 times [1] - Marginal Bid-to-Cover Ratio: 61.36 times [1] 50-Year Bond - Issuance Scale: 35 billion [1] - Issuance Rate: 2.0187% [1] - Expected Rate: 2.0100% [1] - Bid-to-Cover Ratio: 5.42 times [1] - Marginal Bid-to-Cover Ratio: 16.47 times [1]