Group 1 - The yield on Japan's 20-year government bonds has risen to 2.655%, the highest level since 1999, while the 30-year bond yield has reached 3.185%, approaching historical highs since its introduction [1][2] - The fluctuations in bond yields are attributed to expectations of increased bond issuance following the ruling coalition's losses in the July Senate elections, exacerbating the pressure on already strained long-term bonds [1] - Ongoing inflation concerns are increasing pressure on ultra-long-term bonds, forcing the Bank of Japan to face greater interest rate hike pressures [1] Group 2 - Investor demand for Japanese government bonds is declining, with net purchases of bonds with maturities over 10 years by foreign investors dropping to 480 billion yen (approximately 3.3 billion USD) in July, only one-third of the June level [2] - The significant decrease in foreign net purchases raises concerns about potential volatility in the long end of the yield curve [2] - Recent increases in open interest in Japanese government bond futures indicate that aggressive traders are increasingly confident that the probability of an interest rate hike in October has shifted from 50% to fully priced in [2]

智通财经7月31日电，日本央行行长植田和男发表讲话之际，日本国债期货涨幅扩大，日元兑美元涨幅 收窄。 ...

植田和男发表讲话之际，日本国债期货涨幅扩大，日元兑美元涨幅收窄。 ...

日本国债期货抹平早前跌幅。 ...

日本国债期货扩大跌幅，10年期国债期货下跌0.23至137.75。 ...

Group 1 - Japanese government bond futures have declined in the short term [1] - The Japanese yen has appreciated against the US dollar [1] - Reports indicate that the Bank of Japan is considering raising its inflation expectations [1]

Core Viewpoint - The results of Japan's 40-year government bond auction have been released, indicating a continuation of the decline in Japanese government bond futures [1] Group 1 - The auction results show a significant impact on the market, leading to a further drop in Japanese government bond futures [1] - The decline in bond futures reflects investor sentiment and market reactions to the auction outcomes [1]