日本10年期国债拍卖的认购倍数为3.66，前一次拍卖为2.54。

Core Viewpoint - The subscription ratio for Japan's 10-year government bond auction increased to 3.66 from the previous auction's ratio of 2.54, indicating stronger demand for government bonds [1] Group 1 - The current subscription ratio of 3.66 suggests a heightened interest among investors in Japan's long-term government securities [1] - The previous auction's subscription ratio of 2.54 serves as a benchmark for comparing the current demand [1]