国债期货主力合约：12月29日多品种下跌

Core Viewpoint - The majority of futures contracts experienced a decline on December 29, with significant drops in various maturity periods [1] Group 1: Futures Contract Performance - The 30-year main contract fell by 1.07% [1] - The 10-year main contract decreased by 0.31% [1] - The 5-year main contract declined by 0.25% [1] - The 2-year main contract saw a slight drop of 0.08% [1]