Japan's 40-year government bond yield fell 6 basis points to 4.05%, signaling softer demand pressure or easing long-end expectations in the world's third-largest bond market. The move transmits to US Treasuries through the global term-premium channel, since Japanese institutional investors are among the largest foreign holders of US government debt and shifts in their long-duration allocations can alter relative value between JGBs and Treasuries. A lower JGB yield narrows the yield gap with US 10-year notes, which can attract incremental yen-based demand for Treasuries and dampen upward pressure on the US10Y, particularly at the long end of the curve. The 10-year Treasury is most exposed given its sensitivity to cross-border flows, while US 30-year yields and the dollar-yen pair are secondary channels. Traders will watch the Bank of Japan's next policy communication and the upcoming US Treasury auction results for confirmation of whether global long-end demand is firming.
Japan’s 40-Year JGB Yield Falls 6 Basis Points to 4.05%
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