China 30-year Treasury futures fall 0.5%, biggest drop in a month

The significance here is concentrated at the long end of the curve, where duration risk is highest, so a move of this size in the 30-year contract points to pressure on the most rate-sensitive part of the sovereign market rather than a broad-based repricing. With no details on the driver, the read is ambiguous: it could reflect positioning unwinds or a shift in expectations for long-term growth and policy. Whether the selloff stays confined to the long end or spreads across the curve is the open question worth watching.