BEIJING — China's Consumer Price Index rose 0.9 percent year-over-year in September, missing the 1.0 percent forecast and signaling persistent weakness in domestic demand. The Producer Price Index climbed 5.0 percent, beating the 4.4 percent estimate and widening the gap between factory-gate inflation and consumer price growth.

The divergence reflects a structural squeeze: Chinese manufacturers face rising input costs but lack pricing power at the retail level. Soft consumer spending—CPI growth at its lowest in months—prevents firms from passing through higher production costs, compressing margins across the economy.

For the People's Bank of China, the data presents a classic policy trap. Subdued CPI might justify monetary easing to boost demand. But accelerating PPI signals underlying cost pressures that could re-emerge at the consumer level if growth recovers, forcing the PBOC to reverse course and tighten—a move that would create duration risk for holders of Chinese bonds.

The weakness in consumption also underscores Beijing's struggle to rebalance away from export-led growth. Domestic demand remains the missing link in the economy's structural shift.

China's bond market is pricing in the likelihood of near-term easing, with the yield curve flattening on expectation of rate cuts. But any signal that PPI acceleration threatens future monetary tightening could steepen the curve and widen credit spreads in Chinese corporate debt.