财政部30年期固息债“25超长特别国债02(续2)”加权中标收益率为1.8808%，全场倍数3.16，边际倍数1.68。

Group 1 - The weighted average yield of the 30-year fixed-rate bond "25 Super Long Special Government Bond 02 (Continuation 2)" is 1.8808% [1] - The overall bid-to-cover ratio is 3.16, indicating strong demand for the bond [1] - The marginal bid-to-cover ratio stands at 1.68, reflecting the competitive nature of the bidding process [1]