August CPI Surge Pushes Fed Rate Hike Bets to 87% as US Markets Rebound

The Quick Take

• August CPI accelerated beyond forecasts, driving Fed rate hike probability to 87% in overnight futures
• US equity markets rebounded despite the hawkish inflation read, aided by declining oil prices
• Tech stocks TSMC, Apple, and SMCI in focus as AI demand partially offsets rising discount rate pressure

August CPI data accelerated beyond expectations, reinforcing investor concerns that inflation remains sticky and prompting a sharp repricing of Federal Reserve rate expectations. The report pushed market-implied probability of a September FOMC rate hike to 87%, a substantial jump from prior estimates. Despite this hawkish reset, US equity markets rebounded during the session, aided by a concurrent decline in crude oil prices that eased input-cost pressures and provided modest relief to consumer discretionary and industrials stocks. Technology names including TSMC, Apple, and SMCI remained in focus as investors weighed AI-driven growth prospects against rising discount rates.

A near-certain September rate hike shifts capital allocation calculus for growth-oriented portfolios. Higher rates compress earnings multiples on longer-duration assets, placing additional pressure on high-P/E tech names even as AI-driven revenue expectations support near-term demand. Financials stand to benefit as net interest margin expansion accelerates, while rate-sensitive sectors including real estate and utilities face headwinds from competing risk-free yield. For SMCI and TSMC, AI infrastructure spending provides a cyclical buffer against the macro headwind, though sustained rate hikes beyond September would challenge valuations for capital-intensive chipmakers. Peer indices in Europe and Asia Pacific could see contagion flows if US bond yields spike further.

The September FOMC meeting verdict now functions as the pivotal event for global risk allocation through Q4. A 25bps hike matching the 87% implied probability is largely priced in; the guidance language on pause versus additional hikes will determine whether markets re-rate or consolidate. CPI core services—driven by shelter and healthcare—will dictate whether the November meeting keeps hiking on the table. Energy prices, particularly Brent crude's trajectory, serve as the swing variable: an oil rally would re-accelerate headline CPI and extend the hike cycle, while a sustained oil decline supports the one-more-and-done thesis. Jobs data in early October provides the final read before the November FOMC.

Synthesized from 3 sources.