Key Points
Fed raises rates 25bps to 3.75%-4% for first time since 2023.
HKMA immediately raises base rate to 4.25% following established mechanism.
16 of 18 Fed policymakers expect at least one more hike by year-end 2026.
Global oil prices above $100 per barrel fuel inflation concerns across regions.
The US Federal Reserve raised its benchmark interest rate by 25 basis points to 3.75%-4% on September 16, marking its first hike in over three years. The decision was unanimous. Hong Kong’s Monetary Authority immediately raised its base rate to 4.25% in lockstep. Fed Chair Kevin Warsh cited elevated inflation as the reason, while the policy committee’s projections suggest at least one more quarter-point hike by year-end.
Why the Fed moved now
The Federal Reserve’s policy committee decided inflation has remained too high for too long. Economic activity is expanding at a solid pace and the labour market is stable, but price pressures persist. Fed Chair Warsh said the move was a “sober” and “responsible decision” to stabilize consumer prices and support long-term economic growth. The committee voted unanimously to proceed despite fierce public opposition from President Trump, who called for rates to stay at 1% or lower.
Hong Kong and regional ripple effects
The HKMA adjusted its base rate upward by 25 basis points to 4.25% with immediate effect, following the Fed’s established mechanism. The HKD-USD interest rate differential will widen, potentially causing the Hong Kong dollar to ease gradually. Carry trade activity may increase as investors seek higher returns. The HKMA warned that US rate adjustments carry considerable uncertainty and urged the public to manage interest rate risks carefully when making financial decisions.
What the Fed’s dot plot signals
The policy committee’s quarterly projections show 16 of 18 policymakers expect at least one more quarter-point hike by year-end 2026. Only two see rates staying flat from here. For 2027, 14 participants project rates in the 4.00%-4.50% range, while four expect rate cuts. The committee revised inflation projections upward and growth projections upward, reflecting persistent price pressures from energy shocks and strong economic momentum.
Global monetary divergence
While the Fed and HKMA tightened, other central banks took different paths. Brazil’s central bank cut rates by 25 basis points to 13.75% due to slowing inflation and weakening economic momentum. Taiwan’s central bank and the Bank of England are expected to hold rates steady on September 17 and 18 respectively, though both have room to raise later. Japan’s central bank is poised to hike on September 20, potentially marking its fastest tightening pace since 1990.
Final Thoughts
Hong Kong investors face higher borrowing costs as the HKMA mirrors Fed tightening. The 25-basis-point move signals a shift from accommodation to gradual restraint, with more hikes likely if inflation persists. Monitor the HKD-USD spread and your mortgage and credit card rates.
FAQs
Inflation has remained elevated despite strong economic growth and a stable labour market. Fed Chair Warsh said the hike was needed to stabilize consumer prices and prevent broader price pressures.
Yes. Sixteen of 18 policymakers project at least one more quarter-point hike by year-end 2026, according to the Fed’s September dot plot.
The 25-basis-point rise to 4.25% will increase borrowing costs for mortgages, auto loans, and credit cards. Banks will adjust deposit and lending rates based on funding costs and market conditions.
Trump called for rates to be 1% or lower, saying higher rates would stymie economic progress. He argued inflation is driven by energy shocks, not monetary policy.
Disclaimer:
The content shared by Meyka AI PTY LTD is solely for research and informational purposes. Meyka is not a financial advisory service, and the information provided should not be considered investment or trading advice.
About Author

Huzaifa Zahoor
Co FounderHuzaifa Zahoor is the engineer who built Meyka. He has spent years writing Python, training AI models, and building data pipelines specifically for financial markets. His technical articles have reached over 30,000 readers on Medium, so he knows how to make complex things easy to follow. If this article touches on how the tools work, he is the person who actually built them.
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