国开行发行2年期债券，规模50亿元，发行利率1.4933%，预期1.4900%，投标倍数3.32倍，边际倍数1.99倍；国开行发行5年期债券，规模110亿元，发行利率1.5673%，预期1.5600%，投标倍数3.45倍，边际倍数2.95倍。

Group 1 - The China Development Bank issued a 2-year bond with a scale of 5 billion yuan and an issuance rate of 1.4933%, slightly above the expected rate of 1.4900%, with a bid-to-cover ratio of 3.32 times and a marginal ratio of 1.99 times [1] - The China Development Bank also issued a 5-year bond with a scale of 11 billion yuan and an issuance rate of 1.5673%, exceeding the expected rate of 1.5600%, with a bid-to-cover ratio of 3.45 times and a marginal ratio of 2.95 times [1]