日本10年期国债期货下跌0.15日元，报138.97日元。此前拍卖结果显示，30年期国债认购倍数为3.58，低于6月前一次拍卖的2.92。

Core Viewpoint - The decline in Japan's 10-year government bond futures indicates market concerns regarding the demand for long-term bonds, as evidenced by the lower subscription ratio in the recent auction [1] Group 1: Market Performance - Japan's 10-year government bond futures fell by 0.15 yen, closing at 138.97 yen [1] - The subscription ratio for the 30-year government bonds was reported at 3.58, which is lower than the previous auction's ratio of 2.92 from June [1]