Japan 30-year government bond yield rises 5.5 bps to 4.12%

A 30-year Japanese sovereign yield at 4.12% marks a long-end repricing that carries beyond Tokyo, since Japanese long-dated yields have historically anchored global term premia and cross-border duration demand. The read-across lands on rate-sensitive crypto and RWA yield products that price off long-dated sovereign curves, where the marginal buyer's cost of duration shifts. Whether the long end continues to lead the move, or the curve steepening stays confined to the far end, is the open question worth tracking.